Focal length switching type camera

Details Focal length switching type camera Focal length switching type camera

1987-02-26

1989-06-13

Perkey, W. B.

354468, G03B 500, G03B 726

Patent

active

048396770

ABSTRACT:
A focal length switching type camera wherein the focal length switching operation is initiated by a focal length switching and operating device, and a motor for driving a moving device is energized according to information from the focal length switching and operating device. The moving device moves a lens unit for holding a lens in a direction of an optical axis.

REFERENCES:
patent: 4502774 (1985-03-01), Suzuki et al.
patent: 4505566 (1985-03-01), Noguchi
patent: 4508443 (1985-04-01), Matsuzaki et al.
patent: 4544249 (1985-10-01), Maemori et al.
patent: 4547770 (1985-10-01), Suzuki et al.
patent: 4597657 (1986-01-01), Wakaboyashi
patent: 4740807 (1988-04-01), Hoshino et al.

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