Computer graphics processing and selective visual display system – Plural physical display element control system – Segmented display elements
Patent
1994-11-16
1998-04-07
Wu, Xiao
Computer graphics processing and selective visual display system
Plural physical display element control system
Segmented display elements
340669, 340691, 73503, 73499, G09G 304
Patent
active
057369704
ABSTRACT:
Method and apparatus for detecting mechanical vibrations and outputting a signal in response thereto. An 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: 3487263 (1969-12-01), Pahlavan
patent: 5269187 (1993-12-01), Hanson
patent: 5517183 (1996-05-01), Bozeman, Jr.
Barr Hardie R.
The United States of America as represented by the Administrator
Wu Xiao
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