Measuring and testing – Fluid pressure gauge – With pressure and/or temperature compensation
Patent
1990-02-05
1991-07-16
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
With pressure and/or temperature compensation
296211, 73721, 73766, 338 3, 338 4, G01L 1904
Patent
active
050314610
ABSTRACT:
A low-cost, quickly prototyped sensor circuit assembly comprises a sensor integrated circuit and an amplifier circuit, wherein all adjustable system resistors are located on the sensor integrated circuit in the form of adjustable thin-film resistive elements whose manufacture requires no new mask layers. An assembly method comprises trimming the sensor and amplifier circuit as a matched pair.
REFERENCES:
patent: 3368179 (1966-03-01), Elliott
patent: 4355537 (1982-10-01), vander Have
patent: 4618397 (1986-10-01), Shimizu et al.
patent: 4777826 (1988-10-01), Rud Jr. et al.
patent: 4864463 (1989-09-01), Shkedi et al.
Barbee Joe E.
Handy Robert M.
Motorola Inc.
Nielsen Walter W.
Woodiel Donald O.
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