Multimode cameras
US4931823A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1989 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Mar 13, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B7/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multimode camera comprises means for independently setting an aperture and a shutter speed to their optional values, means for selectively setting an AV-TV characteristic line in accordance with the aperture and shutter speed which have been set by the independently setting means, means for storing the AV-TV characteristic line which have been selected by the selectively setting means in accordance with a lens identification number of a lens barrel mounted on the camera, and means for unequivocally reading out the AV-TV characteristic line which have been stored in the storing means in accordance with the lens identification number of the lens barrel when a power source is turned on and/or the lens barrel is mounted on a camera body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.