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Ultrasonic gesture operation may become a future trend


Nowadays, capacitive screen technology is still constantly innovating, but the next stage of natural interaction seems to be to completely eliminate the need for touch screens.

On October 9th, according to technology website Cnet, Norwegian ultrasonic non-contact gesture technology manufacturer Elliptic Labs showcased some more advanced innovative gesture operation technologies at the recent Japan High tech Expo. This technology may be launched in the near future.

Elliptical Labs uses ultrasonic sensors that can emit high-frequency sound. Ordinary people cannot hear these sounds, but machines can detect the three-dimensional position of the gesture by calculating the speed and frequency of the sound that the user's hand moves in front of the screen. Elliptic Labs has also added some custom software to enable it to recognize gestures made by users in the air and control device operations.

At the 2013 International Consumer Electronics Show (CES), this technology was successfully demonstrated on a laptop running Windows 8. And this display is on mobile devices like the Samsung Galaxy S4, but because the phone does not have the necessary ultrasonic sensors built-in to enable the Elliptic system to operate smoothly, researchers used a shell device for conversion. This shell device is also a developer toolkit that can be used to help develop ultrasonic cleaning machine devices suitable for Elliptic systems.

Elliptic's new system can not only detect hands and fingers in front of the screen, but also detect the distance between hands and the screen. Therefore, the system can recognize gestures for up and down movement and inward and outward movements.

It is understood that Elliptics also demonstrated some other gesture operations. For example, when the user's hand is far away from the screen, the lock screen tool on the phone will display a schedule; When the user has not yet made an unlock gesture and their hand is relatively close to the screen, the screen displays the email application. In addition, users can easily lock the screen with just two taps in the air, and can also browse the image library by waving their hands, which is very elegant.

The concept of this ultrasonic non-contact gesture technology is no different from somatosensory control or other similar technologies, but its combination with smartphones or smartwatches may have enormous potential. The field of interactive operation is not limited to devices such as mobile phones and watches, even with gestures extended to 180 degrees or users wearing gloves, this system can operate normally.

It is reported that the built-in sensor area used in this technology is only 5.2 square millimeters, and its energy consumption is less than 1 milliwatt, which means that the phone installed with the system does not need to be too large and does not consume too much power, which is relatively easy for mobile device manufacturers to accept.

The question now is when mobile device manufacturers will truly adopt this technology. Lila&midt;, CEO of Elliptic Labs; Laila Danielsen did not disclose any details, but she has stated that the company has authorized more than one mobile device manufacturer, and that smartphones and tablets equipped with the system will be launched in 2015. The Windows system will continue to support this technology, and the Android system may greatly promote the popularization of this technology.




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