Navigational control system for a robotic device

  • US 7,188,000 B2
  • Filed: 01/27/2006
  • Issued: 03/06/2007
  • Est. Priority Date: 09/13/2002
  • Status: Active Grant
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First Claim
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1. A navigational control system for directly altering movement activity of a robotic device operating in a defined working area, comprising:

  • a transmitting subsystem integrated in combination with the robotic device, the transmitting subsystem comprising means for emitting a number of directed beams to cover the defined working area, each directed beam having a predetermined emission pattern; and

    a receiving subsystem separate from the robotic device and functioning as a base station, the receiving subsystem including a navigation control algorithm that defines a predetermined triggering event for the navigational control system and a set of detection units positioned within the defined working area, the detection units being positioned in a known aspectual relationship with respect to one another, the set of detection units being configured and operative to detect one or more of the directed beams emitted by the transmitting subsystem, wherein the receiving subsystem is configured and operative;

    to process the one or more detected directed beams under the control of the navigational control algorithm to determine whether the predetermined triggering event has occurred, and,if the predetermined triggering event has occurred, to transmit a control signal to the robotic device; and

    wherein reception of the control signal by the robotic device causes the robotic device to implement a prescribed conduct that alters the movement activity of the robotic device.

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