Shutter control device for camera
US4500186A · kind A · utility
0Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1982 |
| Grant date | Feb 19, 1985 |
| Priority date | — |
| Expiry date | Jun 18, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B9/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A mechanically controlled shutter with a latch for holding the closing curtain in a charged position arranged upon running off of the opening curtain to start operation which then terminates at running off of the closing curtain to control the shutter time, wherein there is provided a keeper for holding the closing curtain latch in the charged position independently of the closing curtain latch, whereby after actuation of a camera release operation and before the opening curtain runs off, the keeper is actuated to release out of holding connection with the closing curtain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.