Camera system

Details Camera system Camera system

1992-03-11

1994-02-15

Gellner, Michael L.

G03B 1700

Patent

active

052871380

ABSTRACT:
A camera system in which by the mounting of a removably mountable lens, a plurality of electrical contacts between a camera body and the lens are brought into contact with one another and the transmission of information is effected between the camera body and the lens includes a camera body, a lens having no power source, a mechanical switch member provided in the lens, and power source actuating means for switching on the circuit power source of the camera body through the electrical contacts when the switch member is operated in a state in which the circuit power source is OFF.

REFERENCES:
patent: 4557579 (1985-12-01), Nakajima
patent: 4695148 (1987-09-01), Terui et al.

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