Camera capable of simultaneous sound recording
US3963331A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1974 |
| Grant date | Jun 15, 1976 |
| Priority date | — |
| Expiry date | Oct 2, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B31/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a camera capable of simultaneous film and sound recording and into which film magazine housing a film with a sound recording belt can be loaded. The camera has a sound recording device for recording sound on said sound recording belt of the film while photographing is made and also a driving device to continuously run the above mentioned film against said sound recording device. The camera can be shifted to the simultaneous sound recording state in response to the shutter release operation of the camera being in the preparation completion state for photographing with simultaneous sound recording. The camera is characterized in that a biasing device to bias at least one of the above mentioned driving devices and the film to a film driving position and a retention device which can retain the relative position of the above mentioned driving device and the film at a preparatory position for the above mentioned film driving position against the biasing force of said biasing device and can be released are provided. The release of the retention force of said retention device is done in response to the shutter release of the camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.