Camera apparatus and autofocusing method therefor
US11539873B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jan 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An auto-focusing method of a camera apparatus according to an embodiment of the present invention comprises the steps of: extracting distance information of an object by using a ToF camera; and performing auto-focusing on an RGB camera by using auto-focusing information according to the distance information, wherein the ToF camera includes an illumination unit for outputting light to the object and a sensor unit for receiving information about light reflected from the object, the sensor unit receives a plurality of pieces of information about the light reflected from the object at a plurality of phases on the basis of the output of the light, and the ToF camera extracts the distance information by using the plurality of pieces of information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.