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Detection device, gyrosensor, and electronic instrument

  • US 20070261488A1
  • Filed: 05/11/2007
  • Published: 11/15/2007
  • Est. Priority Date: 05/12/2006
  • Status: Active Grant
First Claim
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1. A detection device comprising:

  • a driver circuit which drives a vibrator to vibrate; and

    a detection circuit which receives an output signal from the vibrator and detects a desired signal, the detection circuit including;

    an amplifier circuit which amplifies the output signal from the vibrator;

    a sensitivity adjustment circuit which performs sensitivity adjustment by variably controlling a gain; and

    a synchronous detection circuit which performs synchronous detection based on a reference signal;

    the sensitivity adjustment circuit being provided in a preceding stage of the synchronous detection circuit.

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