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Wake up smartphone: Touch gesture activates apps

Posted: 04 Sep 2014 ?? ?Print Version ?Bookmark and Share

Keywords:touch gesture? smartphone? app? controller?

Imagine this: waking up a smartphone without going through the hassle of having to push a button, entering a security code, finding the app icon, then tapping to finally start up the app. Smartphone users know the frustration.

Now an innovative touch control integrated circuit from Seoul-based Dongbu HiTek Co. Ltd. can bypass all that hassle by making a single user-defined gesture on the blank screensay, a circle for emailand the smartphone comes right up in the appropriate app.

And that does more than streamline access.

"Through our firmware, any touch gesture can be recognised. The firmware also supports several gestures to perform more complex activities," Jae Song, executive vice president of marketing, told EE Times.

Touch controller diagram

Art from Dongbu Hitek's patent for 2Touch screen controller using differential signal processing" (US 20120268397 A1 patent): A block diagram illustrating a configuration of a touch screen controller in accordance with embodiments.

According to Song, there is no limit to the number of screen-off gestures that can be recognised; the smartphone manufacturer just makes sure there is enough firmware to hold them all. It's even possible to have multiple gestures to activate the same appperhaps the default gesture defined by the smartphone maker and the custom one designed by the user.

"Smartphone makers can request Dongbu to link specific gestures to apps," says Song, "or they can link the apps with gestures by themselves. Also, consumers can make their own gestures for each app. The detailed methods can be discussed with smartphone manufacturers and Dongbu during the development process."

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