Robot obstacle detection system

  • US 20040020000A1
  • Filed: 06/03/2003
  • Published: 02/05/2004
  • Est. Priority Date: 01/24/2000
  • Status: Active Grant
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First Claim
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1. A sensor subsystem for an autonomous robot which rides on a surface, the sensor subsystem comprising:

  • an optical emitter which emits a directed optical beam having a defined field of emission;

    a photon detector having a defined field of view which intersects the field of emission of the emitter at a region; and

    a circuit in communication with the detector providing an output when an object is not present in the region thereby re-directing the autonomous robot.

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