Camera with device for identifying used film magazine
US5649252A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 1995 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | May 25, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/268
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera capable of automatic film rewinding into the magazine, comprises an information recording device for recording at least information on use in an information recording portion formed at a predetermined position of the magazine loaded in the magazine chamber of the camera, an information detecting device capable of detecting recorded information of the magazine when it is loaded, a prohibition device for prohibiting the photographing operation in response to a detection signal corresponding to information, indicating that all the film is already used, detected by the information detecting device and control means for controlling the information recording device, information detecting device and prohibition device in such a manner that the detection by the information detecting device is conducted prior to the recording of information of use by the information recording means, and that the photographing operation is prohibited in response to the detection of information indicating that all the film is already used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.