Camera
US4982218A · kind A · utility
17Cited by
8References
69Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1988 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Dec 14, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera comprises a photo taking optical system; driving means for driving the photo taking optical system; a shutter; switching means for causing transmission of the driving force of the driving means to the photo taking optical system to be changed over to the shutter; and control means for controlling the shutter by converting the opening time of the shutter into the driving degree of the driving means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.