Depressible keys with decoupled electrical and mechanical functionality
US9952682B2 · kind B2 · utility
71Cited by
57References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Apr 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/1662
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for decoupling the electrical and mechanical functionality of a depressible key are disclosed. The depressible key can include a non-contact proximity sensor, such as an optical sensor, to detect motion of the keycap. The output from the optical sensor is used to determine a distance, velocity, acceleration, and a force applied during a keypress.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.