Robot confinement

  • US 8,659,256 B2
  • Filed: 06/30/2010
  • Issued: 02/25/2014
  • 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 portable housing including an emitter operable to emit a first signal when a presence of a mobile robot is detected in a field of detection; and

    the mobile robot, including;

    a shell;

    a chassis including at least two wheels;

    at least one motor connected to the at least two wheels for moving the mobile robot on a surface;

    a cleaner operable to clean the surface as the mobile robot moves on the surface;

    a controller operable to control the at least one motor to control a movement path of the mobile robot on the surface;

    a detector operable to detect the first signal;

    a bump sensor operable to detect a physical contact with the shell as the mobile robot moves on the surface; and

    a cliff sensor operable to detect a falling edge of the surface as the mobile robot moves toward the falling edge,wherein the controller is operable to change the movement path of the mobile robot in response to detection of the first signal, and wherein the controller is operable to change the movement path of the mobile robot in response to direction of the physical contact and in response to detection of the falling edge, andwherein one of the portable housing and the mobile robot is operable to detect a second signal to detect the presence of the mobile robot in the field of detection, the second signal generated by the other of the portable housing and the mobile robot.

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