User interface for white goods and associated multi-channel proximity sensors
US8976158B2 · kind B2 · utility
16Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2014 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Mar 29, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04883
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch sensor including a housing, a light guide mounted in the housing the light guide featuring an aperture through which light exits and enters the light guide, and an inner surface facing the interior of the housing, the sensor further includes two light emitters mounted in the housing for emitting light beams into the light guide that exit the aperture at diverging angles and a light receiver mounted in the housing for receiving reflected light beams entering the aperture at an angle of incidence different than the diverging angles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.