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Showing posts with label Data. Show all posts
Showing posts with label Data. Show all posts

Monday, April 30, 2012

What is USB OTG


USB OTG

Short for USB On-The-Go, an extension of the USB 2.0 specification for connecting peripheral devices to each other. USB OTG products can communicate with each other without the need to be connected to a PC. For example, a digital camera can connect to a PDA, or a mobile phone can connect to a printer or a scanner, as long as all the devices are USB OTG-compatible. USB OTG grew from the increasing need for portable devices to be able to communicate with each other as the culture of technology moves away from a PC-centric world.
One of the important features of USB OTG is that the standard does not require a host PC in order for the devices to communicate. USB OTG devices, known as dual-role peripherals, can act as limited hosts or peripherals themselves depending on how the cables are connected to the devices, and they also can connect to a host PC.


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Thursday, April 19, 2012

Samsung Galaxy Tab 2 7.0 Review by techspot.com

Until Amazon's Kindle Fire hit the market late last year, no Android-powered tablet had made even the smallest of impacts on the marketplace. With its $199.99 price tag and customized user interface, the Kindle Fire was a real success.
Samsung is now aiming to grab a significant piece of that success by building its own low-cost Android tablet. The catch is that Samsung's new entry, the Galaxy Tab 2 7.0, looks anything but low-cost. In fact, it features a much better spec sheet than the Kindle Fire, and uses the same streamlined body design as its more expensive brethren.
With a price of $249.99 for the Wi-Fi-only model, the Galaxy Tab 2 7.0 is an instant best buy. And when you consider that it is one of the few devices on the market to offer Android 4.0 Ice Cream Sandwich as its operating system, it's even more of a steal.
Hardware
From a hardware perspective, the Galaxy Tab 2 7.0 looks much like any other recent Samsung tablet. This particular model features a black front with a titanium silver rear cover, and it feels very nice in your hands. There's a lot to be said for the 7-inch tablet form factor.
The 7-inch TFT display on the Tab 2 7.0 offers users 1024 x 600 pixels of resolution. The colors it generates are very bright, and the display's viewing angle is surprisingly good for such an inexpensive device.
Dual speakers flank the 30-pin Samsung connector that is found on the bottom of the tablet (when held in portrait mode). The volume and power keys are on the upper right edge of the tablet, and a 3.5mm headphone jack can be found up top. The 3.5mm jack also supports a line-in function.
The Galaxy Tab 2 7.0 measures up at 193mm x 122mm x 10.4mm (7.6in x 4.8in x .41in), which makes it a bit thinner than Amazon's Kindle Fire, though its tapered design makes it feel even thinner than it really is. It weighs a perfectly fine 345g (12.2oz), making it a device that you can hold for hours on end without fatigue.
Usability
While Android isn't as user-friendly as, say, webOS or iOS, Samsung has at least added a few things that make the system more usable than stock Android. Users will enjoy, for example, the mini-apps that can be overlayed on the screen at any time. Mini-apps like the calculator and music player are invaluable. Samsung's updated main menu is also a big bonus, since users can re-arrange apps into any order they like.
While Android 4 shares much with the 3.2 Honeycomb OS that we saw on the first round of Android tablets, there's a bit more polish to how things work, and the result is a better overall experience. As long as you're using the included apps, that is. Apart from those, there are few third party apps currently available that are actually designed with tablet form factors in mind.
Samsung Galaxy Tab 2 7.0
But still, Samsung's built-in apps, like the email client and the screen capture feature, feel just fine and make the most of the tablet's form factor. Contacts can be pulled in from either Gmail or Facebook, but there's no real social network support on the device otherwise. You'll have to load your own apps for that. The keyboard offered on the 7.0 is also pretty basic, and you won't find high-end input systems like Swype pre-loaded.
Samsung Galaxy Tab 2 7.0
But at least the dual-core 1GHz processor seems to have more than enough power to provide a smooth experience when using the tablet, and that's worth a lot. Especially at its bargain price.
Calling / Data
The Samsung Galaxy Tab 2 7.0 offers no built-in wireless network support apart from Wi-Fi 802.11b/g/n for connecting to a home or public Wi-Fi access point. The 7.0 does feature a microphone and speaker, as well as a forward-facing camera, which make it ideal for use with VoIP applications like Skype.
The Tab 2 7.0 also features USB connectivity through its proprietary 30-pin Samsung connector, and there's always Bluetooth 3.0 for using the Tab with devices like wireless stereo headphones and speakers. An infrared port allows the Tab to work as a TV/home entertainment remote control, too.
Samsung Galaxy Tab 2 7.0
Users looking for HDMI output will need to use an adapter or a docking station (not included), but the tablet does support DLNA through Samsung's AllShare application.
Messaging
One thing that the Galaxy Tab 2 7.0 does real well is messaging. Even though its 7-inch screen offers relatively low resolution, it is still more than adequate for a nice split-screen email messaging experience. There is an included dedicated Gmail client for Gmail users, but the Samsung email app can be used for accessing most any type of email account - including corporate Exchange servers.
Samsung Galaxy Tab 2 7.0
Samsung's ChatOn messaging system is also available, and users of Google Talk instant messaging will also find their app in place. Social network users can download free Twitter, Facebook, and other apps from the Google Play Store if the included Google+ client doesn't cover things.

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Monday, April 2, 2012

Beyond USB 2.0 - OTG USB - Smartphone USB to Computer USB Interface Pictures






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Thursday, March 15, 2012

Samsung I9100 Galaxy S II Review ans Specs

Samsung I9100 Galaxy S II

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Samsung
Samsung I9100 Galaxy S II MORE PICTURES

Sony Xperia S vs. Samsung Galaxy S II: S-hootout
Galaxy S II vs. Galaxy S Plus vs. Optimus 2X: Head to head revisited
Samsung I9100 Galaxy S II review: Brightest star
Samsung I9100 Galaxy S II preview: Second encounter
MWC 2011: Samsung overview
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Popularity

Daily interest
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Total hits:
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Voting results

Design
8.3
Features
8.4
Performance
8.4

Votes:
181483


General 2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 1700 / 2100 / 1900 - for Telus
Announced 2011, February
Status Available. Released 2011, April
Body Dimensions 125.3 x 66.1 x 8.5 mm
Weight 116 g
- Touch-sensitive controls
Display Type Super AMOLED Plus capacitive touchscreen, 16M colors
Size 480 x 800 pixels, 4.3 inches (~217 ppi pixel density)
Multitouch Yes
Protection Corning Gorilla Glass
- TouchWiz UI v4.0
Sound Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes, check quality
Memory Card slot microSD, up to 32GB
Internal 16GB/32GB storage, 1 GB RAM
Data GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
EDGE Class 12
Speed HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
WLAN Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot
Bluetooth Yes, v3.0+HS
NFC Optional
USB Yes, v2.0 microUSB (MHL), USB On-the-go
Camera Primary 8 MP, 3264x2448 pixels, autofocus, LED flash, check quality
Features Geo-tagging, touch focus, face and smile detection, image stabilization
Video Yes, 1080p@30fps, check quality
Secondary Yes, 2 MP
Features OS Android OS, v2.3.4 (Gingerbread), upgradable to v4.x
Chipset Exynos
CPU Dual-core 1.2 GHz Cortex-A9
GPU Mali-400MP
Sensors Accelerometer, gyro, proximity, compass
Messaging SMS(threaded view), MMS, Email, Push Mail, IM, RSS
Browser HTML, Adobe Flash
Radio Stereo FM radio with RDS
GPS Yes, with A-GPS support
Java Yes, via Java MIDP emulator
Colors Black, White, Pink
- Active noise cancellation with dedicated mic
- TV-out (via MHL A/V link)
- SNS integration
- MP4/DivX/XviD/WMV/H.264/H.263 player
- MP3/WAV/eAAC+/AC3/FLAC player
- Organizer
- Image/video editor
- Document editor (Word, Excel, PowerPoint, PDF)
- Google Search, Maps, Gmail,
YouTube, Calendar, Google Talk, Picasa integration
- Voice memo/dial/commands
- Predictive text input (Swype)
Battery Standard battery, Li-Ion 1650 mAh
Stand-by Up to 710 h (2G) / Up to 610 h (3G)
Talk time Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
Misc SAR US 0.16 W/kg (head) 0.96 W/kg (body)
SAR EU 0.34 W/kg (head)
Price group [About 370 EUR]

Monday, March 12, 2012

Samsung Galaxy S2 review

Samsung Galaxy S2 review

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Dual-core power, beautiful screen - the Galaxy S II is the kind of sequel we like

Our Score 5

Last reviewed: 2011-04-26April 26th 2011

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the-definitive-samsung-galaxy-s2-review

The definitive Samsung Galaxy S2 review

The Samsung Galaxy S II is the phone the Korean firm deems the successor to its best smartphone so far. And with a 1.2GHz processor, super-slim chassis and feather-light innards, it's easy to see why.

The dual-core race is set to heat up massively over the next few months, with the LG Optimus 2X already released, and the Motorola Atrix, HTC Sensation and iPhone 5 or iPhone 4S all set to bring the tech to market too.

Coming in at £35 a month and £519.99 SIM-free, the Galaxy S 2 isn't the cheapest phone out there by a long chalk – so let's see if it can match up to that larger price tag.

You can check out our Samsung Galaxy S 2 video:

The Samsung Galaxy S2 is almost impossibly thin when you pick it up – dimensions of 125.3 x 66.1 x 8.5mm mean it's one of the thinnest smartphones on the market at the moment, rivalling the likes of the iPhone 4 and Sony Ericsson Xperia Arc for the title.

Samsung galaxy s2 review

It's crazy-light too – when we show you what tech is rammed under the hood, you'll be amazed that it all goes in a device that weighs only a shade over 100g (116g, to be precise).

Samsung clearly traded the premium feel an all-metal chassis might have brought to keep the grams off the Galaxy S2 – pop the battery cover off and you'll find you're holding a piece of pretty flimsy plastic.

Samsung galaxy s2 review

However, most of the time you won't be removing this and it fits nicely into the contoured chassis – the mesh feel on the rear also helps keep your hand from getting warm during extended holding.

The other thing you'll notice when you first pick up the Galaxy S2 is the screen – at 4.3 inches it's hard to miss, and when you turn it on the Super AMOLED plus technology hits you square in the eyeballs (once it's got through the toughened Gorilla Glass).

Samsung galaxy s2 review

We called the Samsung Galaxy S "the best phone on the market for media" when we reviewed it, thanks to its first-gen Super AMOLED screen. Now the Galaxy S2 has definitely improved on that, with a superbly crisp and vibrant screen.

The only problem is a slightly schizophrenic auto-brightness - if you try and save battery by having the sensor monitor ambient light levels, then the screen decides to bounce about with light levels even in same conditions.

UPDATE: Samsung has released a fix to solve this problem already, so forget about it. Un-read what you just read. We could delete it, but that would be lying to you.

In the hand, the Galaxy S2 sits much better than we'd have expected, given the whopping screen on offer, and that's mostly down to its slim depth.

Samsung galaxy s2 review

The front of the phone is pretty sparse, with the home key the only piece of furniture on offer. This rectangular button flanks two touch-sensitive buttons – Menu and Back – so there's no room for contextual search here.

The volume keys are located on the left-hand side, and the power/lock key is on the opposite flank; both are easy enough to hit without error, and crucially the travel on the power key is softer so that it's much easier to hit when you're juggling it in the palm – compare that to its predecessor, where you could accidentally drop it trying to shut off the screen.

Samsung galaxy s2 review

The 3.5mm headphone jack lives on the top of the phone, bucking the lower placement on other 4.3-inch screen phones, and the microUSB slot (which also doubles as an HDMI out port) lives on the bottom.

The only other element of note is the 8.1MP camera with single LED flash on the rear – it's slightly raised, but not so much that it disrupts the Galaxy S2 when you're placing it on a table, thanks to a rear lip to help you hold the phone.

Samsung galaxy s2 review

We actually (foolishly, in hindsight) unboxed the phone while bouncing about on a powerboat on the Thames - and luckily, there was a camera rolling the whole time. (note - we're well aware of the stupid spec mistakes on the boat. Some were down to information given to us by Samsung that has since changed, and some due to sheer confusion at being thrown ten feet in the air and having our spine crushed.)

Thursday, March 8, 2012

Samsung Galaxy S2 Ice Cream Sandwich Update Dated

Samsung Galaxy S2 Ice Cream Sandwich Update Dated

By Andrew Williams
06 March 2012

Transfer Your Photos, Videos, Music, Documents and more in a flash, by simply plugging in your Beyond USB into your Smartphone or Computer. Very simple and easy for all to use. Get Yours Today! Visit http://www.BeyondUSB.com for more details!

The Samsung Galaxy S2, a phone that has sold over 20 million units, will get an update to Android 4.0 Ice Cream Sandwich on 15 March. This info comes from Samsung direct, so hopefully it won't evaporate into hot air.

We don't have full faith in its rock-solid-ness, though. Samsung's official Israeli Facebook page told the world that the ICS update would arrive on 15 March, but the post has since been deleted. As the best-selling Android phone there is, plenty of owners must be pining for the update by now.
Samsung Galaxy S2
Ice Cream Sandwich made its smartphone debut in the Samsung Galaxy Nexus, released in December 2011. Why the delay, when they are both Samsung phones? The Samsung Galaxy S2 uses the custom TouchWiz user interface, which needs a thorough re-tweaking and test any time the underlying Android software changes.

This delay has been the bane of Android enthusiasts ever since the first Android updates of 2008 and 2009. If anything, a 3-month delay isn't actually that bad compared with some past performances from HTC and others.

The main improvements of Android 4.0 Ice Cream Sandiwich are its new user interface - which incorporates virtual nav buttons - improved multi-tasking, better data usage tools and a much improved camera app. ICS also sees the smartphone and tablet sides of the Android kingdom get together once more - previously mobiles have used 2.x Gingerbread and (most decent) tablets 3.x Honeycomb.

Samsung's sequel to the Galaxy S2, the Galaxy S3, is expected to launch later this year. A rumoured April release was quashed by Samsung recently, but we expect it will do its best to beat the iPhone 5 to the punch.

Wednesday, March 7, 2012

Samsung Galaxy Tab Review

Samsung Galaxy Tab Review by http://samsunggalaxytabreview.net/

Transfer Your Photos, Videos, Music, Documents and more in a flash, by simply plugging in your Beyond USB into your Smartphone or Computer. Very simple and easy for all to use. Get Yours Today! Visit www.BeyondUSB.com for Details!

Welcome to the Samsung Galaxy Tab Review Site. We like to review Samsung Products and tell you which ones are the best to use. Many times people don’t know which product to buy since they’re hesitant. How many times have you read reviews from friends only to be swayed into thinking that your opinions were wrong? At our site we have unbiased reviews showing you the best Samsung Galaxy Tab products to buy and where to buy them. Sometimes Amazon and Walmart is out of stock, but that’s okay, our site will always contain the latest up to date products. If you have been looking for a place to find good reviews on Samsung Galaxy Prices we will help you find good deals. A lot of times it can be confusing with all the information out there. Sometimes the review you read on Amazon are not real and written by Samsung Staff themselves! We will help you find the real ones! The Galaxy tab reviews we have on our site will blow you away. Enjoy them while you are here, and read through all of them. Please pass this site on to your friends so they can learn about the Galaxy Tab.
Samsung Galaxy Tab Price
Samsung Galaxy Tab Price

Many times, people will hestitate when deciding which Samsung Galaxy Tab Price is affordable to them. Usually they will compare the size and see which price point makes it the most effective to purchase. Usually when they compare the price they want to see it against the iPad and other similar tablets to see if it’s worth it to them. We did a comparison of the samsung galaxy tab price and here is the verdict.


Be the first to comment - What do you think?
Posted by Team - March 5, 2012 at 11:31 am

Categories: Tab Price Tags:
Samsung Galaxy S Review
samsung galaxy s review

Our Samsung Galaxy S Review will tell you what’s so good and bad about the Samsung Galaxy S! At first we had no idea that Samsung created another version of the Galaxy Tab. Basically they made it phone form, and they brought it down to size so that people can use it as a cellular device. But hey, the big screen is great for viewing many things as well! Even CNET Asia gave the Galaxy S a score of 8.4 out of 10. This means that everybody is RAVING about it!



Be the first to comment - What do you think?
Posted by Team - March 5, 2012 at 11:16 am

Categories: Galaxy S Review Tags:
Samsung Galaxy Tab 10.1 Price
samsung galaxy tab 10.1 price

The Samsung Galaxy Tab 10.1 price is one of the first considerations that people make when deciding whether to buy it or not. Sometimes the price is the most important factor in choosing a product is not just the quality, but the price. There are many factors people consider in addition to the price. What makes the Samsung Galaxy Tab 10.1 price better than the old one? The new Samsung Galaxy Tab 10.1 has so many more features that makes it better than the old one.

Friday, March 2, 2012

Samsung Galaxy S2 Overview

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Samsung Galaxy S2 Overview

The Galaxy S2 (sometimes known as the Galaxy S II) is the follow up to Samsung's widely successful Galaxy S lineup. This time, the Galaxy S2 raises all the stakes and Samsung has found a way to double almost every spec in a true, one of a kind sequel.

With a 4.3-inch SAMOLED Plus screen (no more Pentile Matrix display), 1.2GHz dual-core Exynos processor, 8MP rear camera/ 2MP front-facing camera, both 1080p recording and playback, NFC capabilities, great battery life and one of the thinnest phones on the globe, the Galaxy S2 is a welcome update to the Galaxy family. Superphones don't get much better than this.

Many have heralded the S II as being the best smartphone to come out yet, with some reviewers saying that even the iPhone 4 can't beat it. It has Samsung's overlay, TouchWiz 4.0, which is said to be leaps and bounds better than 3.0.

Samsung Galaxy S2 Specs
General
Form Factor: Candybar
AKA: Samsung Galaxy S II, Samsung Galaxy S II 4G
Date Released (YYYY/MM/DD): 2011/04/28
Size
Weight: 116g
Dimensions: 125.3 x 66.1 x 8.49mm
Display
Resolution: 480x800
Size: 4.3 inches
Type: Super AMOLED Plus
Camera
Video: 1080p full HD Playback and Recording at 30fps
Flash: LED Flash
Auto-focus: Yes
Megapixels: 8MP (Rear), 2MP (Front)
Connectivity
GPS: A-GPS
USB: MicroUSB 2.0
Bluetooth: Bluetooth 3.0
Wi-Fi: 802.11 a/b/g/n
HDMI: Yes, MHL-enabled microUSB port
Multimedia
Headset Jack: 3.5mm
Radio: FM Radio
Battery
Type: 1650 mAh
Hardware/OS
Operating System: Android 2.3
Internal Memory: 16GB
External Memory: MicroSD (up to 32GB)
RAM: 1GB RAM
Processor: 1.2GHz dual-core Exynos processor XMM6260

Transfer Your Photos, Videos, Music, Documents and more in a flash, by simply plugging in your Beyond USB into your Smartphone or Computer. Very simple and easy for all to use. Get Yours Today! Visit http://www.BeoyndUSB.com for more information.

Thursday, March 1, 2012

MWC: Samsung Galaxy Tab 2 hands on review

MWC: Samsung Galaxy Tab 2 hands on review
Samsung keeps the heat on Apple
By Khidr Suleman in Barcelona
Wed Feb 29 2012, 16:50

WITH KOREAN HARDWARE GIANT Samsung adding more tablets to its expanding portfolio, The INQUIRER managed to get its hands on the 7in Galaxy Tab 2 running Android 4.0 Ice Cream Sandwich.

The Galaxy Tab 2 retains most of the design and traits that made the original Galaxy Tab popular with enterprise users and consumers. However, in terms of looks, the Galazy Tab 2 isn't the sexiest and slimmest in the Galaxy Tab range and we prefer the original 7.7in Galaxy Tab.

Samsung hasn't gone over-the-top with the specifications on the Galazy Tab 2 either, in a deliberate attempt to keep the price of the device as low as possible to try to entice first time tablet buyers.

The main area where Samsung has made cost savings is the 7in display, shipping the Galaxy Tab 2 with 1024x600 resolution. This is not as good as the original Galaxy Tab's Super AMOLED screen with 1,280x800 resolution.

However, under the hood Samsung has not skimped on components. The Galaxy Tab 2 is powered by a 1GHz dual-core processor, has 1GB of RAM and 32GB of internal storage. There is a microSD slot that allow users to boost storage by another 32GB, which is always handy.

We found the performance of the Galaxy Tab 2 to be smooth, although not as quick as that of the quad-core powered Transformer Prime.

Samsung has also pre-loaded Android 4.0 Ice Cream Sandwich onto the tablet so it is capable of offering the most up-to-date software experience of any tablet, which is important, as Apple gears up to unveil the Ipad 3.

The 3G device also retains the ability to make calls so you can use it as a smartphone if you wish, although using a Bluetooth headset is probably best though, to avoid getting strange looks.

HSPA+ network connectivity of up to 21Mbit/s, plus 802.11b/g/n Wi-Fi and Bluetooth are also supported, but no LTE model is planned. µ

Source: The Inquirer (http://s.tt/15VCO)

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Wednesday, February 29, 2012

Samsung Galaxy Note | Mobile Phones, Tablets & E-Book Readers | · Samsung

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Reviewed by Michael Calore Email Author · February 27, 2012

On paper, the Samsung Galaxy Note is rich with top-of-the-line features. It has a 1.4GHz dual-core processor, 16GB of internal storage and an 8-megapixel camera, all tied to AT&T’s speedy 4G LTE network.

But see the Note in the flesh and you’ll notice one thing above all else: its massive 5.3-inch display.

The screen is positively gigantic. Comically huge to the point of shame. Closer to a tablet than a phone, the Note dwarfs the iPhones and Droids around it. Hold it up to your face to make a call and everyone around you laughs. Seriously, it never gets old.

It’s not all punchlines, though. Watching videos and playing games are amazing experiences, and it’s more comfortable to read web pages and e-books on the Note than on any other phone I’ve tested. The large, bright, HD Super AMOLED screen requires more power to run, but since the phone is bigger, Samsung could slip in a bigger 2,500mAh battery battery. I was able to watch movies continuously for about four and a half hours, and I could browse the web and read books for more than twice that long. During six days of regular use (texting, browsing, Rdioing) I only had to recharge the phone for a few hours every other day.

But it’s just too big. The Galaxy Note’s girth makes it tough to carry in your front pocket comfortably while walking around or riding a bike. Stick it in your back pocket, and its bulkiness requires you to take it out when you sit down. Will I have to resort to a man-purse?

The large screen also makes a chore out of using the on-screen keyboard and menus. It’s too wide to type or scroll comfortably with the thumb of one hand, so the Galaxy Note quickly shows itself to be a two-handed device. For a smartphone, this is a no-no. There were too many times when I needed to thumb my way through text messages, menus or web pages with one hand.

Granted, typing with two hands on that big screen is easier, and mistakes are less frequent. But I have to use two hands all the time to type comfortably.

Speaking of input, the Galaxy Note’s other marquee feature is its stylus. Samsung calls it the S Pen, and it slots into the bottom right corner of the phone. The S Pen uses conductive technology from Wacom, so it doesn’t need a battery, and it has 256 levels of pressure sensitivity as well as a small button on the side to modify your input gestures. It’s well-designed and easy to hold, and it sits in the phone snugly, so I never worried about losing it.

There’s more trouble here, though. The stylus is not capacitive, so while it works on the screen, it doesn’t work on the capacitive Android buttons under the screen. If you want to go back in the browser, see a menu, or return to the home screen, you have to momentarily swap in a finger.

The Note comes with a systemwide app called S Memo Lite. From anywhere in the OS, a double-tap of the stylus calls up a notepad so you can jot down a note (there’s also the more full-featured S Memo that you launch like a regular app). It’s convenient if you’re just writing “Remember the milk”-type notes. Beyond that, using the stylus for writing is a pain. The handwriting recognition software is undercooked. It works some of the time, but it guesses wrong far too often. I found thumb-typing to be faster, more accurate, and more efficient — an impression that didn’t change with a week of practice. It was also easier to move the cursor around with my fingers. If this thing is going to force me to use two hands, I’d still rather just leave the stylus tucked out of sight and finger-tap everything.

That’s not the only issue with the stylus. Samsung has released an SDK for developers to build apps specifically for the S Pen, but there are a scant few available. Most are boring sketchpad apps (Skitch by Evernote is the best one). And how is it for drawing? Not great. The input lags, so if you draw briskly, your pen is always an inch ahead of the lines appearing on the screen. It’s not natural at all, and I had to slow way down to get good results. A far cry from my Moleskine.

The final bummer: the Galaxy Note is a Gingerbread device. It’s running last year’s OS — oddly fitting for a machine that immediately brought back memories of my old Handspring.

I suppose there’s a sector of society that will love the Galaxy Note: people who spend a lot of time on the train or the bus watching videos, playing games, and reading text, (and who also own a purse or satchel). For everyone else, I’d recommend sticking with Samsung’s Galaxy Nexus, which also has a big, beautiful screen, but runs Ice Cream Sandwich and is comfortable enough for most of us to type on using one hand.

WIRED Huge 1280 x 800 Super AMOLED screen is phenomenal for videos and games. Powerful processor, great camera, great battery life. 4G network speeds are fantastic. You can place voice calls on your e-book reader just like you’ve always wanted to. Samsung’s Kies app makes it easy to connect to your other networked computers.

TIRED It’s too big to carry comfortably, and too bulky use with one hand. The stylus is nice, but the software to support it isn’t there yet. Also, it has a stylus. Android 2.3 with Samsung’s TouchWiz skin makes me yearn for ICS. Astounding amount of AT&T shovelware out of the box.

Friday, February 17, 2012

Samsung Galaxy Tab 8.9 review

Samsung Galaxy Tab 8.9 review

Transfer Your Photos, Videos, Music, Documents and more in a flash, by simply plugging in your Beyond USB into your Smartphone, Tablet or Computer. Very simple and easy for all to use. Get Yours Today! Visit http://www.BeyondUSB.com for Details!

By Tim Stevens posted Nov 10th 2011 12:00PM

What is the optimal size for a modern-day tablet? Is it 10 inches? Is it seven? Or, is it something smaller, like the economy-sized smartphone that is the Galaxy Note? We can’t say for sure, but we surely can say that Samsung is as much in the dark as we are. Like a gadgety Goldilocks traipsing between an endless sea of options, that company seems completely unable to make up its mind, splitting niches into sub-niches and then cleaving those in twain again with a seemingly endless array of fractionally different tablets.

Today we’re looking at the Galaxy Tab 8.9. This powerful slate exists because, apparently, the Galaxy Tab 10.1 is too big and the Galaxy Tab 7.0 Plus is too small. Is the $449 8.9 just right, then? Read on to find out.
Samsung Galaxy Tab 8.9 review
Hardware

If you’re familiar with the Gal Tab 10.1 you’ll find the slightly svelter 8.9 a particularly comfortable beast. Where many companies are struggling to find a corporate image and common style to apply to all their devices, Samsung here had no problem simply shrinking down the elder tablet’s overall design by about 12 percent. It’s only when they’re side-by-side that you can see a few subtle differences — most notable being the repositioning of the speakers from the sides to the bottom where they now flank Samsung’s proprietary connector.

The 8.9 uses a plastic backing with a faux brushed metal texture. It matches what’s currently applied to the 10.1′s rear end and definitely has a nicer feel than the smooth plastic we got on some of the earlier 10-inchers. It’s given a dark, bluish hue Samsung calls Metallic Gray, though we’re not seeing much in the way metal flake. With that as your only color choice your only options for customization lie on the capacity front: 16 or 32GB, neither of which can be expanded through microSD.

Dimensionally the 8.9 is only slightly smaller than its big brother. It measures 9.1 x 6.2 x .34 inches and weighs in at .99 pounds (230.9 x 157.8 x 8.6mm and 447g, if those are your units of choice). That compares to 10.1 x 6.9 x 0.34 inches and 1.24 pounds, making it only moderately more svelte and a hair less heavy. (Our calipers measured it as being thinner, too, but only by a few fractions of a millimeter.) This compares favorably to another 8-inch option, the Archos 80 G9, which is 3mm thicker and 18g heftier.
Samsung Galaxy Tab 8.9 vs. Galaxy Tab 10.1 and iPad 2



That difference between this and the 10.1 doesn’t sound like much on paper, and if you stack them up it doesn’t look like much either. But, in the hand, you notice it. It just feels slightly more balanced, slightly more palmable than the bigger one. It isn’t as nice to walk around with as a 7-inch tablet — still our favorite size for tableting while strolling between gates at the airport — but it is a noticeable improvement in the hand compared to the 10.1.

Though smaller, the 8.9 still packs 1,280 x 800 pixels in its 16:9 PLS TFT LCD, so you’re giving up size but gaining pixel density. You are, however, gaining both compared to the 8-inch Archos 80 G9, which makes do with just 1,024 x 768. The three megapixel camera around the back and two megapixel unit up front appear to be the same as the one that came before, while the power button and volume rocker are positioned in their familiar locations — the upper-left.

That 8.9-inch display impresses, not with the stunning contrast of Samsung’s Super AMOLED Plus displays but still managing to look quite good. As mentioned above the pixel density is slightly higher than on the 10.1, which does give text and other high-contrast shapes a slightly smoother appearance. Viewing angles are good and, overall, this is definitely a top-notch panel in here. Still, we have to wonder why Samsung stuck this with a TFT screen while reserving its especially stunning Super AMOLED Plus display for that mythical no-show, the Galaxy Tab 7.7.
Performance and battery life

The 8.9 features the same 1GHz dual-core processor and 1GB of RAM as its 10.1 inch predecessor, so no surprise, then, that performance here is similar to what we saw on the 10.1 — though not necessarily identical. Quadrant gave us an average of 2,341, which is surprisingly higher than the 1,800 or so the 10.1 puts down. Linpack Single 26.846, though Linpack Multi wouldn’t give us consistent enough scores to warrant inclusion, and Neocore also refused to cooperate. Nenamark netted 38.1, Nenamark2 18.1 and Sunspider clocked in at 2,295, just a tick slower than the 10.1′s 2,200. It boots from cold in 35 seconds.

Real-world impressions back up the benchmark findings. The 8.9 feels exactly the same to use as the 10.1. In back-to-back testing of the two occasionally the 10.1 would load an app slightly more quickly, sometimes the 8.9, but neither had a conclusive advantage over the other. Unless you had them both sitting side-by-side you’d never tell any difference, and even when we did we had to be really paying attention.

When it comes to longevity the 8.9 does not disappoint — though it doesn’t quite live up to its predecessor. The 10.1 (with a 7,000mAh battery) scored a very impressive 9:55 on our intensive video rundown test, almost matching the 10:26 of the iPad 2. The 8.9, with its 6,100mAh battery, managed 9:21. That’s well more than the seven hours managed by the Archos, and plenty enough for all but the most punishing of flights.
Tablet

Battery Life
Samsung Galaxy Tab 8.9 9:21
Apple iPad 2 10:26
Samsung Galaxy Tab 10.1 9:55
Apple iPad 9:33
HP TouchPad 8:33
Lenovo IdeaPad K1 8:20
Motorola Xoom 8:20
T-Mobile G-Slate 8:18
Lenovo ThinkPad Tablet 8:00
Archos 101 7:20
Archos 80 G9 7:06
RIM BlackBerry PlayBook 7:01
Acer Iconia Tab A500 6:55
Toshiba Thrive 6:25
Samsung Galaxy Tab 6:09
Velocity Micro Cruz T408 5:10
Acer Iconia Tab A100 4:54
Camera

Not to sound like a broken record, but the camera assemblies here appear to be identical to what we saw on the 10.1 — that is to say, it takes acceptable shots, but you won’t be retiring your DSLR. Nor your compact, for that matter. See for yourself in the pics below.
Samsung Galaxy Tab 8.9 sample shots
Software

The Galaxy Tab 8.9 runs Honeycomb 3.1, featuring the same TouchWiz customizations found on the bigger 10.1. We already detailed them quite comprehensively before, so we won’t waste too much time doing so here again. But, we will say that the additions to the OS here are generally welcome, and the easy to access utilities for taking notes and calendar make this a rather more useful machine than it might be otherwise.

Beyond that, the Honeycomb build here has the same quirks as any other build of Google’s OS. It’s still something of a mixed bag of an OS that we find occasionally clunky and unintuitive to navigate, but again that hasn’t changed significantly since before — and it won’t change until these devices are updated to Ice Cream Sandwich. When will that happen? Samsung isn’t saying.
Samsung Galaxy Tab 8.9 software
The competition

There aren’t a huge number of contenders in this, the greater-than-seven-but-smaller-than-nine-inch department. Currently it’s really this or the Archos 80 G9, which has a .9-inch smaller screen, a lower resolution, worse battery life and a chunkier construction. But, it is considerably cheaper ($300 for 8GB, $320 for 16GB) and seems to offer slightly improved performance. The strongest competition, though, comes in at 1.9-inches smaller — in the form of the $430 T-Mobile Springboard (which offers shorter battery life but a nicer display), the $400 Galaxy Tab 7.0 Plus, or the compellingly cheap Kindle Fire and Nook Tablet. We’ll have full reviews of those last two soon but, at just $200, Amazon’s offering is going to be tough to beat.
Wrap-up

The Galaxy Tab 8.9 exists in a gadget niche so small we weren’t convinced it needed to exist. Despite that, the thing fills it admirably well. Given the choice between taking along this guy or its bigger sibling we’d almost universally take the 8.9. The loss in screen size is barely noticeable since the resolution is kept the same but the difference in handheld usability is tangible.

That said, those of you buying a tablet exclusively for couch surfing would likely be a bit more comfortable with the slightly larger display. Whichever you choose, cost won’t be much of a factor. The 16GB version here is $449 and 32GB $549. Each is just $50 less than its 10.1-inch counterpart. Is a 10 percent price reduction fair for a 10 percent size reduction? Ultimately that decision lies with you.

Tuesday, February 7, 2012

Beyond USB - OTG USB - Available on Amazon

Beyond USB 2.0 - OTG USB - Smartphone USB to Computer USB Interface

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Transfer Your Photos, Videos, Music, Documents and more in a flash
Beyond USB 2.0 - OTG USB - Smartphone USB to Computer USB Interface
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5.0 out of 5 stars Excellent Product for my Samsung Galaxy S2, February 6, 2012
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Wednesday, January 18, 2012

JCB launches Defy+ mobile phone with Motorola

JCB launches Defy+ mobile phone with Motorola

Digger manufacturer JCB has launched its own limited edition of Motorola’s popular Defy+ mobile phone.

JCB's limited edition Motorola Defy+ mobile phone
JCB's limited edition Motorola Defy+ mobile phone 
The new device will sell for £279 and upgrades the existing Motorola Defy+, which manufacturers already market as ‘Lifeproof’.
The Defy+ is certified to an ‘Ingress Protection Rating’ of 67, which means it is sealed against dust and resistant to water to a depth of one metre. The JCB version adds walki-talkie features as well as an app that includes six tools including a spirit level, torch and decibel reader and a special protective sleeve.
The Defy+ also includes scratch-resistant Corning Gorilla Glass as standard, and runs the Gingerbread version of Android on a 1GHz processor, with a 5-megapixel camera and 2GB of storage.
The JCB phone is not the first to try to expand the market for robust phones. Previous models have also included versions made by Sonim, whose ‘unbreakable’ handset was embarrassingly damaged on the BBC’s ‘Click’ programme by reporter Dan Simmons. Bob Plaschke, Sonim's CEO, had told the BBC: "You can drop it from at least 10 storeys, you can go under water 20ft for a half hour... you can hammer a nail with it. It is basically unbreakable." Simmons subsequently broke the screen on a fish tank.
Victoria McManus, UK marketing director, Motorola Mobility claimed that “The unique protective sleeve will pull on JCB’s years of expertise in the construction industry to help us reach a new audience who we know are in need of a life and work proof handset."

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Wednesday, December 28, 2011

Android Sales Soar In Third Quarter, Gartner Study Shows


By Tarmo Virki, European Technology Correspondent
(Reuters) - Cellphone market growth slumped in the third quarter, with the grim economic climate prompting consumers to cut back or delay purchases, particularly in western Europe, research firm Gartner said.
Global sales of all mobile phones grew an annual 5.6 percent in the third quarter to 440.5 million phones, down sharply from 16.5 percent growth in the previous quarter.
"The economic factor is there, definitely," said Gartner analyst Roberta Cozza. "If you look at smartphones performance in some southern European countries it is flat or declining."
"Last quarter we warned of a slowdown in smartphone sales in western Europe," she said.
Global smartphone sales grew 42 percent in the third quarter from a year ago, but that was down from a 74 percent rise in the previous quarter and the more than 100 percent growth rates the market has seen over the last few years.
Gartner said growth in demand for smartphones slipped in advanced markets such as western Europe and the United States as many users waited for new flagship devices, while slowdown also occurred in Latin America and the Middle East and Africa.
Inventories of unsold phones grew by some 20 million phones in the quarter mostly in a preparation for the upcoming holiday-sales season, but Gartner noted Samsung Electronics and HTC saw a bigger buildup of unsold models than others.
Cozza repeated Gartner's forecast for 11 percent growth for the overall cellphone market for the full year and said the smartphone market should grow 45 to 50 percent in 2011 as stronger uptake in emerging markets and North America compensates for weaker Europe.
NOKIA STILL NO. 1
Nokia remained the world's largest cellphone vendor, but its market share dropped to 23.9 percent from 28.2 percent a year earlier, while rivals Samsung, LG Electronics and Apple closed the gap.
"The second quarter of 2011 was the low point for Nokia, and the third quarter brought signs of improvement," Gartner said.
Nokia, left in the dust by Apple and Google in the booming smartphone market, last month introduced its Lumia models, the first it has developed using Microsoft's Windows Phone platform, seen as the key to its future.
"Heavy marketing from both Nokia and Microsoft to push the new Lumia devices should bring more improvement in the fourth quarter of 2011. However, a true turnaround won't take place until the second half of 2012," the researcher said.
Microsoft's share of the smartphone market almost halved in the quarter to just 1.5 percent, while Google's Android saw its share more than doubling to 52.5 percent.
"Android benefited from more mass-market offerings, a weaker competitive environment and the lack of exciting new products on alternative operating systems such as Windows Phone 7 and RIM," Cozza said.
(Reporting By Tarmo Virki; Editing by Will Waterman and Jane Merriman)
Copyright 2011 Thomson Reuters. Click for Restrictions.

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Thursday, December 22, 2011

5 Ways The Smartphone Market Evolved In 2011

5 Ways The Smartphone Market Evolved In 2011

The smartphone market is one of the most dynamic in the world. Here are the five biggest smartphone trends that took place during 2011.

Buy a smartphone today, and it will be out-of-date by tomorrow. That's how fast the smartphone market is changing. New models are being announced at a stunning rate and the Consumer Electronics Show is right around the corner, ready to kick off another cycle of advancements and new devices.
Before we tackle 2012, let's look at what happened in smartphones throughout 2011. We saw the move from single-core devices to dual-core, the acceptance of displays as large as 4.7 inches, the rise of HD screens, and the increase in number of 4G-capable handsets. We also saw the (near) death of the feature phone and an app explosion. Here are the five most important ways the smartphone market changed.


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Dual-Core Reigns
One of the first smartphones to ship with two cores was the Motorola Atrix. It was announced during CES last January. Now, most high-end smartphones ship with two cores. The quick jump from single-core 1-GHz processors to dual-core 1-GHz processors and even 1.5-GHz dual-core processors has been swift. These processors, supplied by the likes of AMD, Broadcom, Nvidia, Qualcomm, and Texas Instruments, have led to dramatic improvements in performance metrics across the board and enable the features that we now take for granted.
Dual-core chips are the reason we have massive 4.7-inch HD displays on our smartphones, which can run 3-D games and capture 3-D video in high definition, while also sipping energy slowly enough that our devices magically still last an entire day. As more platforms and applications become dual-core-aware, the capabilities of our smartphones and apps will only become more powerful.
Massive HD Screens
When Apple introduced the original iPhone back in 2007, people were shocked by the size of the 3.5-inch display. It was huge and beat every other smartphone hands-down. Five years later and Apple hasn't increased the size of its smartphone display--but the rest of the industry has.
[ Want to learn more? Read 5 Biggest Mobile Stories Of 2011. ]


Though plenty of smartphones shipped in 2010 with screens larger than four inches, it didn't become the norm until 2011. Now, most mid-range and high-end smartphones ship with displays ranging from 4.0 to 4.7 inches. Only the cheapest models have screens smaller than four inches.
In addition to the size, screens have jumped to HD. Though the iPhone 4 launched the push to higher-resolution screens, Android smartphone makers have made if their life's mission to one-up each other. We saw a flotilla of qHD (540 x 960 pixel) smartphones announced at CES in January. This year, expect most of them to include full 1280 x 720p high-definition displays. Will they continue to grow in size? Hard to say, but I see a sub-category called phablets on the horizon.
Another "G" Please
Sprint and T-Mobile have been selling "4G" devices since mid-2010. Sprint's 4G comes in the form of WiMax and T-Mobile's 4G comes in the form of throttled up HSPA+. Sprint debuted several new 4G models in 2011, but not too many. T-Mobile shipped probably a dozen 4G models, with some capable of reaching speeds as (theoretically) high as 42 Mbps.
The bigger 4G story, however, comes from AT&T and Verizon Wireless. AT&T's LTE network may be nascent (15 markets, 70 million POPs), but Verizon's is absolutely domineering (190 markets, 200 million POPs). AT&T has three LTE-capable smartphones and a number of other LTE products. Verizon Wireless has at least eight LTE-capable smartphones, in addition to tablets, hotspots, and so on. All four major carriers have made it their mission in 2011 to advance their networks and get faster devices to the market. Now that 4G has finally arrived, 2012 ought to be satisfying as the technology matures.
Millions (and Billions) of Apps
Apple kicked off the app craze in 2008 when it launched the iPhone App Store. Fast forward to 2011 and there are one million active applications for smartphones between the iPhone App Store and Android Market together. The balance is tipped a bit in Apple's favor at the moment in terms of app volume, download volume, and revenue volume, but it is sure to even out eventually.
Google announced in December that Android device users have downloaded 10 billion apps. Apple announced in July that iOS device users have downloaded 15 billion apps. Apple and Google are firmly in the app lead, with hundreds of thousands more apps than their closest competitors--and that's unlikely to change. Apps played a huge role in 2011 and will continue to do so as long as there is money to be made in creating them.
Platform Consolidation
At the start of 2011, there were six major smartphone platforms active in the market, including Android, BlackBerry OS, iOS, Symbian, webOS, and Windows Phone. webOS didn't make it. HP killed off its webOS-based smartphones and tablets, and recently open-sourced the platform. Sure, it will live on in some developer's basement, but it is effectively no longer a viable platform. Symbian, too, more or less bit the dust. While the platform is still being supported by Nokia and receiving periodic updates, Nokia has shifted from Symbian to Windows Phone.
Entering 2012, there are four major players left. BlackBerry is on the ropes, though, as the company scrambles to release a next-generation platform capable of competing with Android, iOS, and Windows Phone. Will 2012 see further consolidation?


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Beyond USB 2.0 - Smartphone USB to Computer USB Interface

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Monday, December 12, 2011

Compatible Phones - Beyond USB 2.0 - Smartphone USB to Computer USB Interface

Compatible Phones - Beyond USB 2.0 - Smartphone USB to Computer USB Interface

Compatible HTC Smartphones
  • HTC Droid Incredible
Compatible LG Smartphones
  • LG Optimus 2X
  • LG Optimus 3D
  • LG Encore
  • LG Android
Compatible Motorola Smartphones
  • Motorola Droid
  • Motorola droid x
  • Motorola Milestone
Compatible Nokia Smartphones
  • Nokia 603
  • Nokia 700
  • Nokia 701
  • Nokia 500
  • Nokia 702T
  • Nokia T7-00
  • Nokia Oro
  • Nokia E6-00
  • Nokia X7-00
  • Nokia C7 Astound
  • Nokia C6-01
  • Nokia C7-00
  • Nokia E7-00
  • Nokia N8-00
Compatible Palm Smartphones
  • Palm Treo 650
Compatible Samsung Smartphones
  • Samsung Galaxy S2
Compatible Sonim Smartphones
  • Sonim XP3 Sentinel
Compatible Sony Smartphones
  • Sony Xperia Arc
  • Sony Xperia Arc S
  • Sony Xperia Neo
  • Sony Xperia Play
Compatible Tablets
  • Motorola XOOM
  • Nokia N800
  • Samsung Galaxy Tab 8.9
  • Samsung Galaxy Tab 10.1
  • Samsung Galaxy Tab 10.1v
  • Samsung GT-P7500
  • Samsung GT-P7510
  • Samsung GT-P7300
  • Samsung GT-P7310

More Phones Coming Soon!

Saturday, December 10, 2011

Moorestown-based smartphone to run Moblin, Android, and MeeGo 0digg By Eric Brown



Aava Mobile announced an "open" Aava smartphone reference design that employs Intel's "Moorestown" CPU, with current or planned support for Moblin Linux 2.1, Android, and MeeGo. Meanwhile, LG will port its Moorestown- and Moblin-based GW990 phone to MeeGo, says an industry report.

Finnish startup Aava Mobile says it is aiming its Aava design at smartphone, handheld, and tablet devices. The current prototype primarily targets smartphones and runs Intel's long-awaited "Moorestown" version of the Intel Atom. Promised by Intel for more than a year now, Moorestown is said to be more compact and power efficient than today's Atom processors, making it more competitive with ARM processors in the mobile device market. In February of last year, LG and Intel announced they were working on a new line of MIDs based on the latter's Moorestown processor. The design has since morphed into the GW990 smartphone (see farther below).



Aava Mobile's Aava phone design

(Click to enlarge)

The Aava design will run on the telephony-enabled Moblin 2.1 for Handhelds, as well as Android. Later this year, it will also support the upcoming MeeGo distribution announced by Intel and Nokia earlier this week. MeeGo is a merger of the Intel-backed Moblin and another open source Linux operating system, the Nokia-backed Maemo. (MeeGo appears to adopt the core, as well as most of its UI elements from Moblin, and incorporates the Qt UI toolkit from Maemo.) The 4.92 x 2.52 x 0.46-inch  (125 x 64 x 11.7mm) Aava reference design was demonstrated by Aava at Mobile World Congress this week running Moblin v2.1 (see video farther below). The phone features a 3.8-inch, 864 x 480 TFT capacitive touchscreen that offers haptic feedback, as well as an "extended" mode, which is said to touch-enable the front cover.

The Aava phone offers standard high-end smartphone features including a microSD slot, GSM and WCDMA with 3G support, as well as WiFi, Bluetooth, and GPS. A micro-USB port with on-the-go (OTG) capabilities will support a wide variety of peripherals, says Aava Mobile.
The phone is said to offer full HD video playback, and offers both a five-megapixel still camera, and a two-megapixel videoconferencing webcam. Videoconferencing, as well as voice support, also seems to be the aim of the dual microphones with echo cancellation. The phone also provides accelerometers and other sensors, says the company.



Another view of the Aava design

(Click to enlarge)

Specifications listed for the Aava reference design include:
  • Processor -- Intel Atom "Moorestown" with ST-E modem baseband
  • Memory/flash -- MicroSD slot
  • Display -- 3.8-inch, 864 x 480 TFT capacitive touchscreen
  • Cellular -- GSM/EDGE quadband; WCDMA triple-band (Band I, II and V) with 2Mbps uplink and 7.2Mbps downlink
  • Other connectivity:
    • WiFi
    • Bluetooth
    • GPS
    • Micro-USB OTG
  • Camera -- 5-megapixel (optional 8-megapixel) with LED flash; 2-megapixel videoconferencing camera with facial and gesture recognition
  • Audio:
    • 3D sound
    • FM radio
    • Stereo mic with echo and background noise cancellation
    • Stereo speakers
  • Sensors -- Ambient light; proximity; 3D compass; accelerometer
  • Other features -- Vibrate; haptic feedback; volume, camera, and power buttons
  • Operating system: Moblin v2.1; Android; MeeGo (later this year)
Claiming to offer an open hardware and software platform, Aava Mobile has sponsored a competition to design an ecosystem of hardware docking peripherals that tailor its devices for specific vertical industries and functions. A design from Daniele Pesaresi is shown below, and a link to a slideshow of other designs may be found at the bottom of the story.

Potential Aava-based designs from designer Daniele Pesaresi

(Click to enlarge)

Stated Markus Appel, CEO of Aava Mobile, "Aava Mobile saw an opportunity to make an entirely open mobile device. We are open on the hardware side with our standardized I/O ports and the ecosystem of peripheral docking devices that openness encourages, and we are open on the software side with our Moblin and Android operating systems."




Aava demo at MWC

(Source: NetbookNews on YouTube)
(Click to play)

Stated Pankaj Kedia, director of global ecosystem programs in Intel’s Ultra Mobility Group. "Aava’s reference design is an excellent example of what is possible with the Intel Moorestown platform across Linux-based Moblin and Android OSes." Report: LG's Moorestown phone to go MeeGo
A presenter at LG's press breakfast yesterday confirmed that the manufacturer's LG GW990 smartphone, will "transition" to MeeGo, according to a GearLog report from Mobile World Congress in Barcelona. As the report noted, the confirmation was not particularly surprising since the future of Moblin v2.1, which the GW990 prototype currently runs, appears to be limited now that the OS is merging with Maemo to create MeeGo.




LG's GW990
Source: Intel
(Click to enlarge)
The GW990 phone is the first device to run Intel's Moorestown processor, and the first to announce support for Moblin v2.1. Whether it will be first to run MeeGo depends on whether Nokia first transitions its Maemo-based N900 smartphone to MeeGo, says the story. So far, Nokia has not confirmed any specific devices that will run MeeGo. The GW990 is scheduled to ship in Korea during the second half of this year, which will likely beat any phones to market that are based on the Aava design. LG has no plans to bring the phone to the U.S., says GearLog.
Availability
Aava Mobile did not detail when the Aava design or phones based on it will be available, but judging from the video above, the design appears to be ready for OEMs and ODMs to take it for a spin. Phones based on the Aava prototype may come to market later this year, according to a comment made by an Aava demonstrator in the video.
More on Aava may be found at Aava Mobile's web-site, here, and a gallery of peripheral designs and customizations for the Aava design may be found here.
The GearLog story on the LG GW990 may be found here.


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Friday, December 9, 2011

USB On-The-Go | Wikipedia Definition | Smartphone USB to Computer USB Info



USB On-The-Go, often abbreviated USB OTG, is a specification that allows USB devices such as digital audio players or mobile phones to act as a host allowing a USB Flash Drive, mouse, or keyboard to be attached.


Architecture

Standard USB uses a master/slave architecture; a USB host acts as the protocol master, and a USB 'Device' acts as the slave. Only the Host can schedule the configuration and data transfers over the link. The Devices cannot initiate data transfers, they only respond to requests given by a host. OTG introduces the concept that a 'Device' can perform both the master and slave roles, and so subtly changes the terminology. With OTG, a 'Device' can be either a 'Host' (acting as the link master) or a 'Peripheral' (acting as the link slave). The Device connected to the 'A' end of the cable at start-up (known as the A-device) acts as the Default Host, while the 'B' end acts as the Default Peripheral (known as the B-device).
USB On-The-Go does not preclude using a USB hub, but it describes Host/Peripheral role swapping only for the case of a one-to-one connection where two OTG devices are directly connected. Role swapping does not work through a standard hub, as one device will act as the Host and the other as the Peripheral until they are disconnected.

Specifications

USB OTG is part of a supplement[1] to the USB 2.0 specification originally agreed upon in late 2001 and later revised.[2] The latest version of this supplement also defines behavior for an Embedded Host which has targeted capabilities and the same USB Standard-A port used by PCs.
SuperSpeed OTG devices, Embedded Hosts and peripherals are supported through the USB On-The-Go and Embedded Host Supplement [3] to the USB 3.0 specification.

Protocols

The USB On-The-Go and Embedded Host Supplement to the USB 2.0 specification introduced three new protocols, Attach Detection Protocol (ADP), Session Request Protocol (SRP) and Host Negotiation Protocol (HNP).
  • ADP allows an OTG device, Embedded host or USB device to determine attachment status in the absence of power on the USB bus. This enables both insertion based behavior and the possibility for a device to display attachment status. It does this by periodically measuring the capacitance on the USB port to determine whether there is another device attached, a dangling cable or no cable. When a change in capacitance, large enough to indicate device attachment is detected then an A-device will provide power to the USB bus and look for device connection. A B-device will generate SRP and wait for the USB bus to become powered.
  • SRP allows both communicating devices to control when the link's power session is active; in standard USB, only the host is capable of doing so. That allows fine control over the power consumption, which is very important for battery operated devices such as cameras and mobile phones. The OTG or Embedded host can leave the USB link unpowered until the peripheral (which can be an OTG or standard USB device) asks it to start delivering power. OTG and Embedded hosts may not have much power to spare from their batteries, and leaving the USB link unpowered helps stretch battery life.
  • HNP allows the two devices to exchange their Host/Peripheral roles, provided both are OTG dual-role devices. By using HNP for reversing Host/Peripheral roles, the USB OTG device is capable of acquiring control of data-transfer scheduling. Thus, any OTG device is capable of initiating data-transfer over USB OTG bus. The latest version of the supplement also introduced the idea of HNP polling whereby the device in host role periodically polls the peripheral, during an active session, to determine whether it wishes to become a host.
The main purpose of HNP is to accommodate users who have connected the A and B devices (see below) in the wrong direction for the task they want to perform. For example, a printer is connected as the A-device (host), but cannot function as a host for a particular camera, since it doesn't understand the camera's representation of print jobs. When that camera knows how to talk to the printer, the printer will use HNP to switch to the slave role, making the camera the host to the printer so that the user's pictures will get printed without juggling cables. These new OTG protocols cannot pass through a standard USB hub since they are based on physical electrical-signaling.
The USB On-The-Go and Embedded Host Supplement to the USB 3.0 specification introduces an additional protocol, Role Swap Protocol (RSP). This achieves the same purpose as HNP (i.e. role swapping) by extending standard mechanisms provided by the USB 3.0 specification. Products following the USB On-The-Go and Embedded Host Supplement to the USB 3.0 specification are also required to follow the USB 2.0 supplement in order to maintain backwards compatibility. SuperSpeed OTG devices (SS-OTG) are required to support RSP. SuperSpeed Peripheral Capable OTG devices (SSPC-OTG) are not required to support RSP since they can only operate at SuperSpeed as a peripheral; they have no SuperSpeed host and so can only role swap using HNP at USB 2.0 data rates.

Device roles

USB OTG defines two roles of devices: OTG A-device and OTG B-device. This terminology defines which side supplies power to the link, and which is initially the host. The OTG A-device is a power supplier, and an OTG B-device is a power consumer. The default link configuration is that A-device act as USB Host and B-device is a USB Peripheral. The host and peripheral modes may be exchanged later by using HNP. Because every OTG controller supports both roles, they are often called "Dual-Role" controllers rather than "OTG controllers".
For IC designers, an attraction of USB OTG is the ability to get more USB capabilities with fewer gates. A "traditional" approach includes four controllers:
  • USB High Speed host controller based on EHCI (a register interface)
  • Full/low Speed host controller based on OHCI (another register interface)
  • USB Device controller, supporting both high and full speeds
  • Fourth controller to switch the OTG root port between host and device controllers.
This means many gates to test and debug. Also, most gadgets need to be just a Host, or just a Device. OTG hardware design merges all of these controllers into a single Dual-Role controller, that is somewhat more complex than the device controller alone.

Targeted Peripheral List

The Targeted Peripheral List or TPL applies to all Targeted Hosts which includes both OTG devices acting in host role and Embedded Hosts. The aim of the TPL is for a manufacturer to list products supported by the Targeted Host in order to define what it needs to support in terms of output power, speeds, protocols and device classes. The TPL is intended such that hosts can be "targeted" at a particular product or application rather than being forced to be general purpose hosts like a PC.

Plug

OTG mini plugs

The original USB On-The-Go standard introduced a plug receptacle called mini-AB which was replaced by the micro-AB in later revisions (Revision 1.4 onwards). It could accept either a mini-A plug or a mini-B plug. Mini-A Adapters allowed connection to standard-A USB cables, coming from peripherals. The standard OTG cable had a mini-A plug on one side and a mini-B plug on the other (it could not have two plugs of the same type). The device that had a mini-A plugged in became an OTG A-device, and the one that had mini-B plugged became a B-device (see above). The type of the plug inserted was detected by the state of the pin ID (the mini-A plug has the ID pin grounded while the ID in the mini-B plug was floating). (There were also pure Mini-A plugs, used where a compact host port is needed but OTG was not supported.)

OTG Micro Plugs

With the introduction of the USB Micro Plug, a new plug receptacle called Micro-AB was also introduced. It can accept either a Micro-A plug or a Micro-B plug. Micro-A Adapters allow for connection to Standard-A plug type USB cables, as used on standard USB 2.0 Devices. An OTG product must have a single Micro-AB receptacle and no other USB receptacles.[4][5]
The OTG cable has a micro-A plug on one side, and a micro-B plug on the other (it cannot have two plugs of the same type). OTG adds a fifth pin to the standard USB connector, called the ID-pin; the micro-A plug has the ID pin grounded, while the ID in the micro-B plug is floating. The device that has a micro-A plugged in becomes an OTG A-device, and the one that has micro-B plugged becomes a B-device. The type of the plug inserted is detected by the state of the pin ID .
Three additional ID pin states are defined[4] at the nominal resistance values of 124 kΩ, 68 kΩ, and 36.5 kΩ. These permit the device to work with a USB Accessory Charger Adapter which allows the OTG device to be attached to both a charger and another device simultaneously.[6] These three states are used in the cases of:
  • A charger and either no device or an A-device that is not asserting VBUS (not providing power) are attached. The OTG device is allowed to charge and initiate SRP but not connect.[6]
  • A charger and an A-device that is asserting VBUS (is providing power) are attached. The OTG device is allowed to charge and connect but not initiate SRP.[6]
  • A charger and a B-device are attached. The OTG device is allowed to charge and enter host mode.[6]
USB 3.0 introduced a backwards compatible, SuperSpeed extension of the Micro-AB receptacle and Micro-A and Micro-B plugs. These contain all of the pins in the USB 2.0 Micro and use the ID pin to identify the A-device and B-device roles. Additionally they contain the additional SuperSpeed pins.

OTG micro cables

When attached to a PC an OTG device requires a cable which has a USB Standard-A plug on one end and a Micro-B plug on the other end. In order to attach a peripheral to an OTG device the peripheral either needs to have a cable ending in a Micro-A plug which is inserted into the OTG device's Micro-AB receptacle or the OTG device itself needs an adapter cable which has a Micro-A plug on one end and a Standard-A receptacle on the other. The adapter cable enables any standard USB peripheral to be attached to an OTG device. In order to attach two OTG devices together requires either a cable with a Micro-B plug at one end and a Micro-A plug at the other or can be achieved using a combination of the PC cable and adapter cable.
An example can be viewed here on Amazon

Backward compatibility

USB OTG devices are backward-compatible with USB 2.0 (USB 3.0 for SuperSpeed OTG devices) and will behave as standard USB Hosts or Devices when connected to standard (non-OTG) USB devices. The main exception is that OTG hosts are only required to provide enough power for the products listed on the TPL, which may or may not be enough to connect to a peripheral which is not listed. A powered USB hub may sidestep the issue if supported since this will then provide its own power according to either the USB 2.0 or USB 3.0 specifications.
Some incompatibilities in both HNP and SRP were introduced between the 1.3 and 2.0 versions of the On-The-Go supplement which may lead to interoperability issues when using these protocols.

Charger compatibility

Some devices can charge their battery via their USB port; some can even detect a dedicated charger and draw more than 500mA, which allows them to charge faster. OTG devices are not excluded from either of these options.[6]

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