Optical device
US11418696B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2018 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Feb 15, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/52
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In order to effectively perform auto focusing and an OIS function, provided is an optical device in a first diopter state, the optical device comprising: a liquid lens having a variable diopter; a memory in which regions of interest (ROIs) according to the variable diopter are recorded; a lens control unit for retrieving a first ROI corresponding to the first diopter from the memory and configuring the first ROI; and a diopter operating unit for auto-focusing the first ROI to change the liquid lens to have a second diopter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.