Vibration detecting apparatus

Details Vibration detecting apparatus Vibration detecting apparatus

1988-05-18

1992-03-31

Williams, Hezron E.

Measuring and testing

Vibration

Sensing apparatus

G01N 2900

Patent

active

050996940

ABSTRACT:
The present invention discloses a vibration detecting apparatus for obtaining a signal indicating the speed or displacement of an object by integrating a signal generated by an acceleration meter or a speed-meter, equipped with an integrator with a variable lower limit frequency of the integrable frequency range or bandwidth, and a control unit for varying the lower limit frequency of the integrator according to a predetermined method in response to the input and/or output of the integrator.

REFERENCES:
patent: 3515881 (1970-06-01), Philbrick et al.
patent: 3702394 (1972-11-01), Rainsberger et al.
patent: 3978416 (1976-08-01), Sutphin, Jr.
patent: 3979090 (1976-09-01), Brickner et al.
patent: 4114117 (1978-09-01), Ford
patent: 4306191 (1981-12-01), Bader
patent: 4738264 (1988-04-01), Orlando
Polonik, V. S., "Automatic Television Devices", translated from Pribory i Tekhnika Eksperimenta, No. 1, pp. 151-153, Jan./Feb. '79.

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