Mode change over device for camera
US4427282A · kind A · utility
1Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1982 |
| Grant date | Jan 24, 1984 |
| Priority date | — |
| Expiry date | Jun 25, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B9/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera capable of changing its operational mode having an operation member for moving the diaphragm between the fully opened state and closed state comprises a lock mechanism for keeping the diaphragm in the fully opened state, the lock mechanism being released by a diaphragm closing operation of the operation member, with release of the lock mechanism being prevented when the camera is set in the shutter time preference mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.