Autofocus method of camera using temperature and gravity sensors, apparatus for controlling camera, and system including the same
US10063755B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 8, 2016 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Nov 11, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/36
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A camera controller controls a camera module, which includes a plastic lens and an actuator controlling a position of the lens in an open-loop mode. The camera controller includes an offset determiner configured to determine a first offset corresponding to a measured temperature of a camera and a second offset corresponding to a measured posture of the camera, a lens moving range determiner configured to determine a moving range of the lens based on the first offset and the second offset, and an autofocus calculator configured to output a position control signal for controlling a position of the lens and seek a focus position of the lens based on the lens moving range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.