Microcomputerized force transducer

Details Microcomputerized force transducer Microcomputerized force transducer

Filed on

1986-10-31

Date issued

1989-10-10

Examiner

Woodiel, Donald O.

Patent Class

Measuring and testing

SubClass

Fluid pressure gauge

SubSubClass

Diaphragm

Other Related Categories

73115, 73708, 73754, G01L 708, G01L 906

Type

Patent

Status

active

Patent number

048723495

Description

ABSTRACT:
An apparatus for measuring force has a resistive element which has an electrical resistance which varies as a function of force applied to the transducer. An electrical output signal related to the resistance of the element has a sufficient magnitude so that it can be fed directly to processing circuitry without any amplification. This is accomplished by modulating the electrical power supplied to the resistive element to enhance the electrical output signal.

REFERENCES:
patent: 4434664 (1984-03-01), Antonazzi
patent: 4457179 (1984-07-01), Antonazzi et al.
patent: 4539843 (1985-09-01), Wise
Stein, "Pulsing Strain-Gage Circuits", Instruments & Control Systems, vol. 38, pp. 128-134, 2-1965.

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