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Physical quantity measuring instrument and signal processing method thereof

  • US 8,150,657 B2
  • Filed: 09/12/2007
  • Issued: 04/03/2012
  • Est. Priority Date: 09/12/2006
  • Status: Active Grant
First Claim
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1. A physical quantity measuring instrument for detecting signals based on a desired physical quantity and for calculating the physical quantity by executing signal processing, the physical quantity measuring instrument comprising:

  • a signal detecting component configured to detect a plurality of signals based on the physical quantity;

    a signal processing component configured to linearly combine the signals detected by the signal detecting component with coefficients that vary with time and include all the signal components based on the desired physical quantity; and

    an arithmetic processing component configured to calculate the physical quantity from signal data output by the signal processing component.

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