Motorized winding and rewinding camera
US4693578A · kind A · utility
6Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1986 |
| Grant date | Sep 15, 1987 |
| Priority date | — |
| Expiry date | Mar 12, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/425
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera having a first driving torque transmission for winding a film strip and a second driving torque transmission for rewinding the film strip with changeover means for selectively connecting the output of an electric motor to the first and second transmissions to effect automatic winding and rewinding. The motor in operative connection with the second transmission after being switched from an initial position where it is connected to the first transmission is automatically returned to the initial position when the film rewinding is completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.