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SYSTEM FOR DETERMINING AMPLITUDE OF A POWER TOOTHBRUSH BRUSHHEAD IN THE MOUTH

  • US 20140259472A1
  • Filed: 10/17/2012
  • Published: 09/18/2014
  • Est. Priority Date: 10/24/2011
  • Status: Active Grant
First Claim
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1. A power toothbrush, comprising:

  • a handle;

    a drive assembly, including a processor, for driving a brushhead at a selected frequency of brushhead oscillation and amplitude of brushhead motion, the drive assembly being located within the handle; and

    a miniature gyroscope mounted on at least one of (i) the brushhead and (ii) a portion of the drive assembly within the handle, the miniature gyroscope for detecting angular velocity of a brushhead motion, when the brushhead is operating in a user'"'"'s mouth,wherein the processor is configured for processing angular velocity information from the gyroscope to provide amplitude information of the brushhead motion, and wherein said amplitude information of the brushhead motion is at least one selected from the group consisting of (i) provided to the user and (ii) used to control brushhead operation.

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