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Optical & Optics
Class Information
Number:
352/175
Name:
Optics: motion pictures
>
Camera and/or projector drive mechanisms
>
With starting and/or stopping means
> Having timed run
Description:
Subject matter which includes means to limit the duration of the run of the drive mechanism to advance a predetermined amount of film or operate for a predetermined length of time.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
4593985
Automatic photographing device for video camera
Jun. 10, 1986
4331395
Motion picture camera
May. 25, 1982
4183635
Motion-picture camera with long-term exposure
Jan. 15, 1980
4132467
Film end indicating device for motion picture cameras
Jan. 2, 1979
4079398
Self-timer
Mar. 14, 1978
4057334
Self timer device for motion picture camera
Nov. 8, 1977
4046465
Self-timer device for motion picture camera
Sep. 6, 1977
3995291
Motor driving device for a camera
Nov. 30, 1976
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