NASA NTRS · 19630000109
Camera shutter is actuated by electric signal
Abstract
Rotary solenoid energized by an electric signal opens a camera shutter, and when the solenoid is de-energized a spring closes it. By the use of a microswitch, the shutter may be opened and closed in one continuous, rapid operation when the solenoid is actuated.
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Neff, J. E.. 1964-11-01. Camera shutter is actuated by electric signal. https://ntrs.nasa.gov/citations/19630000109
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