Gesture-sensitive display
US9459696B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Nov 2, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/3622
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a system and method for detecting a gesture performed by a user of a device. The device includes a screen having a backlight as with a liquid-crystal type display or which provides its own illumination as with a light-emitting diode type display. The device is programmed to emit a detectable optical signal from one or more distinct zones of the display. The device further includes an optical receiver for detecting any reflections of the emitted detectable optical signal. When a user's hand is located in proximity to the device display, the reflections of the detectable optical signal from that appendage are detected by the optical receiver and are used by the device to determine the presence and direction of travel of the user hand, signifying a user gesture. The distinct zones of the backlight may consist of a single zone, and the optical receiver may comprise multiple receivers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.