Proximity sensor
US9081572B2 · kind B2 · utility
2Cited by
24References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2014 |
| Grant date | Jul 14, 2015 |
| Priority date | — |
| Expiry date | Jun 9, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/960725
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method includes monitoring detection by a sensing element of a key touch on a touch screen; determining an amount of time that has elapsed since the sensing element last detected a change of capacitance indicative of a key touch on the touch screen; and, if the amount of time that has elapsed exceeds a predetermined time duration, then initiating a particular function of an apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.