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Strain gage bridge circuit with sensitivity equalization and method for sensitivity equalization

  • US 6,147,312 A
  • Filed: 10/05/1998
  • Issued: 11/14/2000
  • Est. Priority Date: 10/05/1998
  • Status: Expired due to Fees
First Claim
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1. A strain gage bridge circuit in a load cell, comprising:

  • four arms, including strain gages, connected to form first and second diagonals, one of said diagonals being connected to a power supply source and the other of said diagonals providing an output signal representing the sum of the signals from said strain gages;

    first and second resistors connected in series across said first diagonal of said bridge circuit; and

    a third resistor connected between the junction point of said series connected first and second resistors and one end of said second diagonal of said bridge circuit.

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