Camera having partially retractable picture taking optical syste

Details Camera having partially retractable picture taking optical syste Camera having partially retractable picture taking optical syste

1988-06-13

1989-09-05

Perkey, W. B.

354202, 35419512, G03B 1704, G03B 1700, G03B 500

Patent

active

048643386

ABSTRACT:
A camera having a picture taking optical system that includes a main lens system and a sub lens system and that performs in wide-angle and telephoto modes, has a cover member adapted to be closed forward of the optical system to protect the optical system. The cover member is driven by a coupling member moved in the direction of the optical axis together with the optical system in order to close the cover member. An electric circuit for the control of photography has an energizing switch, the actuation of which is involved in the driving of the cover member.

REFERENCES:
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patent: 4336986 (1982-06-01), Prochnou
patent: 4350423 (1981-09-01), Engelsmann et al.
patent: 4410253 (1983-10-01), Tsuboi
patent: 4595268 (1986-06-01), Tsuboi
patent: 4597657 (1986-07-01), Wakabayashi
patent: 4609270 (1986-09-01), Kohno et al.
patent: 4681418 (1987-07-01), Kodaira
patent: 4721972 (1988-01-01), Wakabayashi
patent: 4728977 (1988-03-01), Yomogizawa et al.
patent: 4752796 (1988-06-01), Tsukahara et al.

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