Keyboard construction having a sensing layer below a chassis layer
US9240296B2 · kind B2 · utility
1Cited by
39References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2013 |
| Grant date | Jan 19, 2016 |
| Priority date | — |
| Expiry date | Dec 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/058
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard having a sensor layer below a chassis layer is described. In one embodiment, the keyboard includes a keyboard chassis and a plurality of keycaps positioned above the keyboard chassis. Each of the plurality of keycaps has a touch surface for receiving a press force. A sensor substrate is positioned below the keyboard chassis and has sensor electrodes configured to sense that one or more of the plurality of keycaps is in a pressed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.