Electronic still camera system with automatic gain control of image signal amplifier before image signal recording
US4954897A · kind A · utility
46Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1989 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Sep 13, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/74
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electric still camera is provided with a device for varying the gain of an image signal amplifying circuit in response to the excess or deficiency of the amount of light from a flash unit, before the image signal is recorded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.