Electrical driving circuit of camera
US4086603A · kind A · utility
16Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1975 |
| Grant date | Apr 25, 1978 |
| Priority date | — |
| Expiry date | Nov 26, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B9/42
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to an electrical driving circuit of a camera, particularly for preventing the misoperation of the release, whereby an interval timer for controlling a constant period of taking photographs is provided so as to carry out the release operation with the period controlled by the interval timer, while the operation state of the film winding up means of the camera is detected in such a manner that the release operation with the period of the interval timer is prohibited when the operation of the film winding up means has not been completed before the release operation with the period of the interval timer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.