Optical proximity sensing with reduced pixel distortion
US12300195B2 · kind B2 · utility
0Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2022 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Aug 5, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0266
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of operating an optical proximity sensor of a computer device having a display, where the optical proximity sensor is located beneath or otherwise adjacent to the display. The method comprises obtaining a vertical synchronization signal from a display driver, and synchronizing periodic illumination of a light emitter of the optical proximity sensor with the vertical synchronization signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.