Signal added vibration transducer

Measuring and testing – Vibration – Sensing apparatus

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Details

73654, G01P 1503

Patent

active

048723487

ABSTRACT:
A transducer for measuring vibrations is formed of a case with a vibratory element mounted therein by means of a disk spring which is constrained to vibrate with the vibratory element in a single direction. Optical or magnetic sensors are located in registration with opposed ends of the vibratory element to produce optically or magnetically induced signals having a modulation thereon resulting from vibration of the vibratory element. The use of pairs of the sensors improves signal-to-noise ratio while allowing for increased bandwidth of the transducer in the measurement of vibration.

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