Keyboard device and system operation method
US10671178B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2018 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Jun 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/23
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A keyboard device is applied to an electronic apparatus and includes a main body, a connection base, a first tilt sensor, a second tilt sensor, and a processor. The connection base is rotatably connected to the main body and configured to detachably be engaged to the electronic apparatus. The first tilt sensor is disposed on the main body and configured to generate first tilt data. The second tilt sensor is disposed on the connection base and configured to generate second tilt data. The processor is electrically connected to the first tilt sensor and the second tilt sensor, and is configured to calculate angle difference data according to the first tilt data and the second tilt data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.