Noninvasive device measures large amplitudes at low frequencies. Low-angle, light-sensitive system tracks moving leading edge of model. Applications include opening and closing of automatic doors as far and fast as needed.
Analog Sensor Of Large-Amplitude Displacements
NASA Tech Briefs ; 12 , 5
1988-05-01
Miscellaneous
No indication
English
Analog magnetic and digital transducers of mechanical displacements
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