Automatic focusing device and system
US10859794B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | May 31, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0084
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an automatic focusing device, an automatic focusing electronic eyepiece and an electronic device. The automatic focusing device comprises a sensor drive unit, a master control unit and an interface unit. The master control unit is configured to control the sensor drive unit to enable the automatic focusing device to automatically focus by adjusting an image distance, the interface unit is configured to output image data of the measured target for display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.