Camera with power zoom function and interchangeable lens with po

Details Camera with power zoom function and interchangeable lens with po Camera with power zoom function and interchangeable lens with po

1992-10-07

1993-07-27

Perkey, W. B.

3541951, G03B 500, G03B 1912

Patent

active

052314375

ABSTRACT:
A camera system includes a zoom driving mechanism driven by a motor for varying the focal length of a lens, a detecting device for detecting the focal length of the lens, and a controller for automatically stopping the motor after a predetermined time period from the time when the detecting means detects the fact that the focal length of the taking lens reaches a telephoto end or a wide-angle end.

REFERENCES:
patent: 4860113 (1989-08-01), Miyamoto et al.
patent: 4864337 (1989-09-01), Himuro et al.
patent: 4866468 (1989-09-01), Himuro et al.
patent: 4951075 (1990-08-01), Tokumaru et al.
patent: 5038164 (1991-08-01), Harada
patent: 5113210 (1992-05-01), Kashiyama et al.
patent: 5122825 (1992-06-01), Tokumaru et al.

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