Accelerometer method and apparatus for integral display and cont

Details Accelerometer method and apparatus for integral display and cont Accelerometer method and apparatus for integral display and cont

1992-06-19

1996-05-14

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

73499, 73503, 340691, G08B 2100, G01P 300

Patent

active

055171834

ABSTRACT:
Method and apparatus for detecting mechanical vibrations and outputting a signal in response thereto. Art accelerometer package having integral display and control functions is suitable for mounting upon the machinery to be monitored. Display circuitry provides signals to a bar graph display which may be used to monitor machine conditions over a period of time. Control switches may be set which correspond to elements in the bar graph to provide an alert if vibration signals increase in amplitude over a selected trip point. The circuitry is shock mounted within the accelerometer housing. The method provides for outputting a broadband analog accelerometer signal, integrating this signal to produce a velocity signal, integrating and calibrating the velocity signal before application to a display driver, and selecting a trip point at which a digitally compatible output signal is generated.

REFERENCES:
patent: 3097534 (1963-07-01), Pasieka
patent: 4000658 (1977-01-01), Schmidt
patent: 4004450 (1977-01-01), Yakshin et al.
patent: 4198864 (1980-04-01), Breed
patent: 4399513 (1983-08-01), Sullivan et al.
patent: 4470302 (1984-09-01), Carte
patent: 4622548 (1986-11-01), Andres et al.
patent: 5166610 (1992-11-01), Bezos et al.

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