Debris sensor for cleaning apparatus

  • US 7,459,871 B2
  • Filed: 09/24/2007
  • Issued: 12/02/2008
  • Est. Priority Date: 01/28/2004
  • Status: Active Grant
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First Claim
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1. An autonomous cleaning apparatus, comprising:

  • a drive system operable to enable movement of the cleaning apparatus;

    a controller in communication with the drive system, the controller including a processor operable to control the drive system to steer movement of the cleaning apparatus and provide at least one pattern of movement of the cleaning apparatus; and

    a debris sensor for generating a debris signal;

    wherein the processor causes the cleaning apparatus to enter into a spot cleaning mode in an area in which the cleaning apparatus was operating when a debris signal was generated, steering the cleaning apparatus to the debris-containing area substantially immediately in response to the debris signal generated by the debris sensor.

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