Camera with an interchangeable lens
US4443085A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1982 |
| Grant date | Apr 17, 1984 |
| Priority date | — |
| Expiry date | Sep 15, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B3/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera with an interchangeable lens, comprising a lens barrel having a focussing lens means, and a camera body having a mount to which a mount of the lens barrel is detachably connected and a focus detecting device, the lens barrel comprising a driving motor for moving the focussing lens means, said camera further comprising a control circuit which is provided either on the camera body or on the lens barrel to give a control signal to the driving motor, the camera body and the lens barrel being provided, on their mounts, with connector means for transmitting and receiving the focussing control signals, the connector means being interconnected when the lens barrel is connected to the camera body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.