Camera with built-in electronic flash
US6029015A · kind A · utility
34Cited by
12References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1997 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Apr 24, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/0503
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An ever-flash exposure control system for a built-in flash camera controls a shutter to open and close so as to provide a standard exposure for scene brightness which are higher than standard scene brightness for which the shutter provides a full aperture to complete the standard exposure and triggers an electronic flash to provide illumination light at a time at which the shutter reaches an aperture according to a subject distance during exposure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.