Optical image stabilization actuator driver power distribution control
US10520748B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2018 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Apr 3, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P7/025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Various embodiments provide an optical image stabilization circuit including a drive circuit having a power waveform generator and a power waveform conversion circuit. The power waveform generator generates a power waveform. The power waveform conversion circuit converts the power waveform to a power drive signal. An actuator is then driven by the power drive signal to move a lens accordingly and compensate for any movements and vibrations of a housing of the lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.