Camera apparatus

Details Camera apparatus Camera apparatus

1996-03-11

1996-12-10

Gray, David M.

Photography

With exposure objective focusing means, focusing aid, or...

Lens drive circuit or motor structure

G03B 1300

Patent

active

055836038

ABSTRACT:
A camera system having a lens unit provided with an actuator for changing the state of an optical system by driving a driving part and a driving circuit which drives the actuator on the basis of a driving control instruction signal supplied in a given periodicity from a control circuit disposed on the side of a camera body. The lens unit is characterized in that the actuator driving timing of the driving circuit is arranged to differ from the timing at which the driving control instruction signal is supplied from the control circuit to the driving circuit.

REFERENCES:
patent: 4319171 (1982-03-01), Motoori

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