Camera with interlock for cover piece and cartridge light shield
US5231438A · kind A · utility
62Cited by
15References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 25, 1991 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Nov 25, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/268
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a camera to be used with a self-opening cassette, an interlock for a cover piece of the camera and a light valve of the cassette prevents the cover piece from being opened when the light valve cannot be closed because a filmstrip is protruding out of the cassette.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.