Three dimensional magnetic field sensor

  • US 6,278,271 B1
  • Filed: 03/29/1999
  • Issued: 08/21/2001
  • Est. Priority Date: 03/30/1998
  • Status: Expired due to Term
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First Claim
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1. Magnetic field sensor for measurement of the three components of a magnetic field comprising a Hall-effect element and an electronic circuit, whereby the Hall-effect element has an active area of a first conductivity type which is contacted with voltage and current contacts whereby at least four current contacts for current feed and four voltage contacts are present, whereby the voltage contacts are connected to the electronic circuit which derives three signals, each by means of one of:

  • summation, differential, and both summation and differential formation of the electrical potentials present at the voltage contacts which are proportional to the three components of the magnetic field.

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