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DRIVE NOISE TOLERANT PLAQUE DETECTION

  • US 20150305626A1
  • Filed: 12/19/2013
  • Published: 10/29/2015
  • Est. Priority Date: 12/19/2012
  • Status: Abandoned Application
First Claim
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1. A dental implement, comprising:

  • a drive train having a drive train frequency (fdt);

    a light source configured to emit an excitation light; and

    a plaque detector configured to receive a return light beam from the teeth for generating a plaque identification signal;

    wherein the plaque detector demodulates identification signal to an intermediate frequency (fIF) such that the drive train frequency (fdt) and the intermediate frequency (fIF) are derived from a same master clock (f0).

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