Self-correcting electronically scanned pressure sensor

Details Self-correcting electronically scanned pressure sensor Self-correcting electronically scanned pressure sensor

1981-03-31

1983-08-16

Wise, Edward J.

Boots, shoes, and leggings

364557, 364558, 73714, G06F 1520

Patent

active

043995152

ABSTRACT:
This invention is a multiple channel high data rate pressure sensing device for use in wind tunnels, spacecraft, airborne, process control, automotive, etc., pressure measurements. This device offers data rates in excess of 100,000 measurements per second with inaccuracies from temperature shifts less than 0.25% (nominal) of full scale over a temperature span of 55.degree. C. This device consists of thirty-two solid state sensors 11, signal multiplexing electronics to electronically address each sensor, and ditital electronic circuitry to automatically correct the inherent thermal shift errors of the pressure sensors and their associated electronics.

REFERENCES:
patent: 3095735 (1963-07-01), Menzel
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patent: 3532869 (1970-10-01), Talmo
patent: 3689748 (1972-09-01), Bothne
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patent: 4111058 (1978-09-01), Gross
patent: 4192005 (1980-03-01), Kurtz
patent: 4254469 (1981-03-01), Whitely
patent: 4263655 (1981-04-01), Chappell, Jr.
A Microprocessor Controlled Pressure Scanning System; R. C. Anderson, Conference Proceedings of the 22nd International Instrumenation Symposium, San Diego, CA 25-27 May, 1976, pp. 685-693.

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