Method and system for robot localization and confinement

  • US 6,690,134 B1
  • Filed: 01/24/2002
  • Issued: 02/10/2004
  • Est. Priority Date: 01/24/2001
  • Status: Active Grant
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First Claim
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1. A robot confinement system, comprising:

  • a. a portable barrier signal transmitting device that includes at least a primary emitter, said primary emitter being operative to emit a confinement beam primarily along an axis, said axis of said emitted confinement beam defining a directed barrier;

    b. a mobile robot;

    c. said mobile robot comprising;

    means for turning in at least one direction;

    a detector operative to detect said directed barrier formed by said emitted confinement beam; and

    a control unit controlling said means for turning;

    d. whereby the control unit runs an algorithm for avoiding said directed barrier formed by said emitted confinement beam upon detection of said directed barrier formed by said emitted confinement beam, said algorithm being operative to turn the robot in a chosen direction until said directed barrier formed by said emitted confinement beam is no longer detected.

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