Input module and electronic device
US11657990B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 20, 2021 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Oct 15, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/972
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An input module includes a base, a keycap assembly and an identification unit. The base includes a magnetic sensor. The keycap assembly is assembled on the base, and the keycap assembly includes a magnetic element. The identification unit is electrically coupled to the magnetic sensor, and the identification unit determines the type of the keycap assembly according to the characteristics of magnetic field lines of the magnetic element sensed by the magnetic sensor. An electronic device is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.