Automatic focus camera with interchangeable lens
US4400075A · kind A · utility
14Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1981 |
| Grant date | Aug 23, 1983 |
| Priority date | — |
| Expiry date | Aug 31, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An automatic focus camera with an interchangeable lens, comprising an interchangeable lens barrel having focussing lens means, a camera body having a focus detecting device, the lens barrel having a driving motor for axially moving the focussing lens means in accordance with a detection signal of the focus detecting device, switch circuit means on the camera body for actuating the focus detecting device and the driving motor, and external actuation switches on the lens barrel for actuating the focus detecting device and the driving motor, independently of the actuation of the switch circuit means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.