Bluetooth LE

iWatch concept by Stephen Olmstead

An Apple patent filing filed today suggests that Apple may be working on a way to make its long-rumored iWatch slimmer than existing offerings by reducing the size of the battery required.

One of the barriers to widespread adoption of smartwatches is that existing models are not exactly sleek. Technology lovers might be willing to put function ahead of form and put up with chunky devices, but the wider market buys on style first, technology second.

While the Bluetooth LE protocol used by existing smartwatches uses around half the power of classic Bluetooth (peaking at 15mA instead of 30mA), a constant connection in a device you won’t want to charge daily still requires a reasonably chunky battery. What Apple’s patent proposes is for an on-demand creation of a Bluetooth connection between two devices, one with radio capabilities (aka an iPhone), one without … 
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http://www.youtube.com/watch?v=CyX8FfSKg04

Knock uses a combination of an iPhone app (currently offered at an introductory price of $3.99)  and a Mac app (available for free at Knock’s website) to enable unlocking of your Mac, wirelessly, by just knocking the back of your iPhone.

It’s a surreal experience. After a couple of minutes of initial setup, you lock your Mac and rap the back of your paired iPhone twice. Your Mac unlocks. The app doesn’t even have to be forefront on your phone, although it does have to be ‘open’ in the multitasking tray. In fact, your phone doesn’t even have to be unlocked. When it senses the Mac is near, a notification appears on the lock screen instructing you to knock. There are some nice UI touches too. For instance, echoes of the ‘sound wave’ appear on OS X’s lock screen in real time as you knock. It’s a subtle visual indicator that the system is actually working.

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Low-energy Bluetooth is really starting to take-off in a big way, with seemingly every other product on the main crowdsourced-funding sites using it. One product that actually exists, though, is the Elgato Smart Key – which appears good value at just $40.

If you can’t remember where you last saw your keys, the Elgato Smart Key iPhone app will tell you the GPS location of where the two devices were last in contact. Through the app you’ll also be able to make the Smart Key play a sound to help you find your keys when they are down the back of the sofa. Not only that, but attach them to your keys and your iPhone will alert you when you walk off and leave them somewhere. Leave one in the glove compartment of your car, and the app will show you were you parked a if you need reminding … 
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With Apple’s iBeacon technology starting to see some real-world applications, we thought this would be a good time to take a brief look at what it is and what we might expect from it in future … 
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Mashable reports that Major League Baseball has demo’d using Apple’s iBeacon indoor mapping technology to provide live baseball fans with a whole range of personalised and interactive experiences when attending games at stadiums.

An update to its At the Ballpark app provides both practical assistance and additional entertainment and interest.

By loading the free app when you get off the subway and head towards the stadium, it immediately knows you are at Citi Field. It populates a ballpark guide with information specific to the stadium, so if you were to enter Phillies’ Citizens Bank Park, the entire experience and data wouldn’t be the same.

As you near the gates, the app displays your ticket’s barcode on screen, as well as a map of where the seats are located. If tickets are loaded into Apple Passbook or purchased online through certain ticketing partners, the app will automatically pull them up … 
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We already told you about a few big new features in terms of improvements to Bluetooth coming in iOS 7: Developers will now have a standardized controller framework for hardware game controllers and new features for BLE devices that will bring Notification Center support and always-connected apps. That’s not all Apple has planned for accessory makers in the near future, below developers have reached out to explain some of the other big new features that will be available to accessory manufacturers with iOS 7 and Mavericks…
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Something new in iOS 7 that hasn’t been getting much coverage is the improvements Apple is making to Core Bluetooth for better integration with Bluetooth LE accessories. Apple is making a lot of changes to its Bluetooth APIs in iOS 7 that will not only allow your iOS devices to work with more Bluetooth LE devices, it will also introduce new features for everything from time to notifications, keyboards, and stereo sound.

Enhance your apps with support for new types of accessories. Location beacons are a new class of low-powered, low-cost transmitters that can notify nearby iOS 7 devices of their presence. Location beacons will provide apps a whole new level of location awareness, such as trail markers in a park, exhibits in a museum or product displays in stores. Other new features include the ability to setup and configure Wi-Fi accessories, such as AirPlay speakers, directly from iOS.

On top of the new location beacons, we already know about a few new Bluetooth improvements in iOS 7 including the new framework for hardware game controllers, and the AirDrop file sharing feature. However, there are also some big improvements to APIs coming that will make your Bluetooth devices work seamlessly with iOS 7…
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