Flexible piezoelectric switch activated metering pulse generator

Details Flexible piezoelectric switch activated metering pulse generator Flexible piezoelectric switch activated metering pulse generator

1988-05-03

1989-09-19

Eisenzopf, Reinhard J.

Communications: electrical

Continuously variable indicating

With particular transmitter

324157, 310339, G08C 1916, G08C 1938, G01R 1130

Patent

active

048685666

ABSTRACT:
In a metering pulse generator, a metering element engages a spring member to effect a gradual bending movement in one direction followed by a rapid return movement during which a pulse signal is developed by a piezoelectric material on the spring member . Energy is absorbed during each such rapid return movement of the spring member to provide damping, inhibit oscillations and effect reliable generation of a single pulse signal which is applied to an amplifier for transmission to a monitoring station.

REFERENCES:
patent: 3962691 (1976-06-01), Longenfield
patent: 4584499 (1986-04-01), Leskovec et al.
patent: 4585970 (1986-04-01), Koal et al.
patent: 4763078 (1988-08-01), Williams

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