Control device for photographic cameras
US4277155A · kind A · utility
4Cited by
4References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1979 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Sep 10, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B7/089
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A control device independent of and designed for use with professional cameras for operating an electromagnetically drivable shutter or magnetic shutter and for determining and setting exposure values, wherein the device includes a power source and means for determining and setting exposure values, both of which are exchangeably or detachably connectable operatively via the control device to the magnetic shutter and to a light measuring or metering probe, the means for determining and setting the exposure values being adjustable to operate in a plurality of selective functional modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.