Earphone with force sensor
US11761830B2 · kind B2 · utility
4Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2021 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Mar 31, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10151
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a force sensor including a substrate and a polymer material layer. The substrate has a circuit layout that includes a first electrode and a second electrode configured to form a capacitor therebetween. The polymer material layer covers at least on a space between the first electrode and the second electrode, and is used to change capacitance of the capacitor while being pressed. The force sensor is arranged inside a stem of an earphone for detecting the user input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.