Motorized winding and rewinding camera
US4572636A · kind A · utility
14Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 3, 1984 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Feb 3, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/425
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera having a first driving torque transmission for film winding and a second driving torque transmission for film rewinding upon selective connection of the output shaft of an electric motor to automatically perform winding and rewinding. A display representing whether or not the transportation of the film by the motor is in progress is presented in either of the winding and rewinding modes, wherein use is made of two different film transportation detecting mechanisms for the winding and rewinding modes respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.