Interchangeable lens barrel
US4413893A · kind A · utility
6Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1981 |
| Grant date | Nov 8, 1983 |
| Priority date | — |
| Expiry date | May 27, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B3/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An interchangeable lens barrel comprising a lens barrel having a mount which can be attached to a mount of a camera body, focussing lens means rotatably supported on the lens barrel and moving in directions of the optical axis when it rotates, a driving motor, a driving mechanism connected to the driving motor for rotating the focussing lens means, and means on the mount of the lens barrel for receiving a driving signal of the driving motor from the camera body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.