Celestial navigation system for an autonomous robot

  • US 8,634,956 B1
  • Filed: 03/31/2009
  • Issued: 01/21/2014
  • Est. Priority Date: 07/07/2004
  • Status: Active Grant
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First Claim
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1. An autonomous robot system comprising:

  • a transmitter separate from a mobile robot operating in a working area, the transmitter being disposed within the working area and comprising an emitter configured to emit at least one signal onto a remote surface above the working area, wherein the transmitter is configured so that the emitter is positionable to emit the signal to at least two different positions on the remote surface;

    wherein the mobile robot;

    a robot body;

    a drive system disposed on the robot body and configured to maneuver the robot over a surface within a working area; and

    a navigation system in communication with the drive system, the navigation system comprises;

    a receiver responsive to the emitted signal as reflected off of the remote surface; and

    a processor connected to the receiver and configured to determine a relative location of the robot within the working area based on input from the receiver.

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