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Angular velocity sensor

  • US 7,043,988 B2
  • Filed: 09/23/2005
  • Issued: 05/16/2006
  • Est. Priority Date: 05/30/1995
  • Status: Expired due to Fees
First Claim
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1. A circuit for amplifying outputs of an angular velocity sensor element, said sensor element having first and second sensing electrodes, said circuit comprising;

  • a pair of input channels to which said first and second sensing electrodes of said angular velocity sensor element are connected respectively,a differential amplifier which amplifies a difference in outputs from said pair of input channels, anda self-diagnosis circuit which couples a test signal to one of said pair of input channels.

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