Key module, keyboard and electronic device using same
US11011328B2 · kind B2 · utility
1Cited by
39References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 17, 2020 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Apr 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2239/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A key module, a keyboard and an electronic device using same are provided. The key module includes a substrate, a light receiver, a light emitter and a lifting mechanism. The light receiver is disposed on and electrically connected with the substrate. The light emitter is disposed on and electrically connected with the substrate and disposed opposite to the light receiver. The lifting mechanism is disposed on the substrate and includes an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.