×

Digital signal conditioning solution for a magnetometer circuit

  • US 7,098,658 B2
  • Filed: 04/01/2004
  • Issued: 08/29/2006
  • Est. Priority Date: 04/01/2004
  • Status: Expired due to Fees
First Claim
Patent Images

1. A fluxgate magnetometer comprising:

  • a fluxgate;

    a digital processor in communication with the fluxgate, the digital processor including an analog to digital converter configured to digitize a back EMF signal from the fluxgate generating digitized back EMF signal, and a first signal generator configured to generate a fluxgate driving signal, wherein the digital processor is configured to reverse the sign of the digitized back EMF signal at a frequency corresponding to two times the frequency of the fluxgate drive signal.

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