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Time of flight animal monitoring

  • US 9,301,502 B2
  • Filed: 02/28/2014
  • Issued: 04/05/2016
  • Est. Priority Date: 02/01/2010
  • Status: Active Grant
First Claim
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1. A system for monitoring and restraining the movement of an animal, comprising:

  • a. a base for transmitting and receiving signals;

    b. a collar for placement at the animal in signal communication with the base and configured to transmit and receive signals to and from the base at a selected frequency of communication;

    c. a controller in communication with at least one of the base and collar configured to provide a reference control distance from the base and a system range limit from the base, the controller having circuitry configured to calculate the distance between the collar and the base using time of flight transmissions between the collar and the base, and wherein at least one of the collar and the base is configured to increase the frequency of communication if the animal approaches at least one of the reference control distance and system range limit; and

    d. a stimulus circuit configured to provide a stimulus to the animal in response to a control signal produced by one of the base and collar;

    wherein at least one of the base and collar are configured to transmit the control signal to the stimulus circuit when the distance between the collar and the base meet a criteria for control.

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