Image pickup apparatus
US5594500A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1995 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Jun 14, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2213/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image pickup apparatus, which includes an eye point sensor for detecting an eye point in a frame, a calculation circuit for calculating average coordinates of the eye point in the frame detected by the eye point sensor, a setting circuit for setting a distance measurement frame at the average coordinates output from the calculation circuit, and a control circuit for controlling the size of the distance measurement frame according to the focal length, is disclosed. An image pickup apparatus, which includes a focus calculation circuit for detecting a focus state by detecting the dispersion range of an eye point, is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.