×

Pressure transducer with compensation for thermal transients

  • US 6,588,280 B1
  • Filed: 04/22/2002
  • Issued: 07/08/2003
  • Est. Priority Date: 04/22/2002
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of providing temperature compensation in a pressure transducer, comprising:

  • (A) providing a pressure transducer, the transducer including;

    (a) a capacitive pressure sensor, the pressure sensor including a diaphragm, at least part of the diaphragm moving in response to changes in a pressure;

    (b) an electronic circuit, the circuit generating an uncompensated output signal representative of the pressure;

    (B) generating a first output signal representative of a temperature of an ambient environment;

    (C) generating a second output signal representative of a temperature of the pressure sensor;

    (D) generating a temperature compensated output signal according to a first function of the uncompensated output signal, and a difference between the first and second output signals.

View all claims
  • 9 Assignments
Timeline View
Assignment View
    ×
    ×