| 摘要 |
A camera having powered mechanism for advancing a strip of film past a location at which the film is exposed to take a series of successive pictures on the film, with sensing means being provided adjacent the film and acting to respond to its longitudinal movement, and with automatic control means being provided for actuation by the sensing means in a relation halting operation of the film advancing mechanism when the sensing means determine that the film has been advanced through a predetermined distance.
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