Pressure sensor with trim resistors

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United States of America Patent

PATENT NO 11768121
APP PUB NO 20230160767A1
SERIAL NO

17532687

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Abstract

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A pressure sensor includes a Wheatstone bridge circuit including a first resistor, a second resistor, a third resistor, and a fourth resistor having matching output characteristics. The pressure sensor further includes a first trim resistor in series with the Wheatstone bridge circuit, wherein the first trim resistor has output characteristics matching the output characteristics of the first resistor, the second resistor, the third resistor, and the fourth resistor of the Wheatstone bridge. The pressure sensor additionally includes a second trim resistor in parallel or a parallel loop with the Wheatstone bridge circuit, wherein the second trim resistor has output characteristics matching the output characteristics of the first resistor, the second resistor, the third resistor, and the fourth resistor of the Wheatstone bridge.

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Patent Owner(s)

Patent OwnerAddress
ROSEMOUNT AEROSPACE INC14300 JUDICIAL ROAD BURNSVILLE MN 55306-4898

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Potasek, David P Lakeville, US 33 139
Stuelke, Robert Minneapolis, US 4 9

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