Photo-taking lens assembly having an automatically and manually

Details Photo-taking lens assembly having an automatically and manually Photo-taking lens assembly having an automatically and manually

1988-03-15

1989-01-03

Adams, Russell E.

3541951, G03B 300

Patent

active

047960450

ABSTRACT:
A photo-taking lens assembly having a movable lens movable in the direction of the optic axis thereof comprises electric moving means including an electric rotating member electrically rotatively driven to move the movable lens, manual moving means including a manually operable member extraneously manually operable to move the movable lens, and means for combining the amounts of movement of the movable lens by the electric moving means and the manual moving means during the operation of the electric rotating member and the manually operable member.

REFERENCES:
patent: 4272174 (1981-06-01), Terramoto et al.
patent: 4309077 (1982-01-01), Tomori
patent: 4413894 (1983-11-01), Miki et al.
patent: 4416513 (1983-11-01), Vesugi
patent: 4456356 (1984-06-01), Okabe

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