Camera and release device therefore
US4464033A · kind A · utility
0Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1982 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Mar 25, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B9/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The disclosed camera ordinarily uses an electromagnetic release device. A supplemental mechanical release device is enabled only when the electromagnetic release device's battery is absent from the battery case. The release operation is then carried out by the mechanical release device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.