Hall sensor device and optical image stabilization device
US9924096B2 · kind B2 · utility
1Cited by
0References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 7, 2015 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Mar 30, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/687
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hall sensor device includes: an amplifier configured to amplify a detection signal of a hall sensor; and a current supplier configured to provide a compensation current to a feedback line of the amplifier according to an offset of the detection signal, to cancel the offset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.