Camera system
US4969000A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Aug 7, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/425
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a photographic device including a camera body having at least one motor built therein for driving at least one of a film winding transmission system, a charging transmission system and another transmission system, and an accessory detachably mounted on the camera body and having an auxiliary motor built therein, a switching mechanism is arranged for switching over the transmission of power in response to the mounting of the accessory on the camera body so that at least one of the film winding transmission system, the charging transmission system and the other transmission system is not able to be connected to the motor built in the camera body, and the one transmission system not connected thereto is able to be driven by the auxiliary motor built in the accessory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.