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Automatic animal monitoring apparatus

  • US 4,461,241 A
  • Filed: 06/17/1982
  • Issued: 07/24/1984
  • Est. Priority Date: 03/13/1981
  • Status: Expired due to Fees
First Claim
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1. Animal monitoring apparatus including an animal reviewing portion, an animal identifying portion and a control portion;

  • said animal reviewing portion including a plurality of animal detecting stations including transmitter actuating means;

    said animal identifying portion including a plurality of transmitter sections and a plurality of receiver sections therefor, each said transmitter section being disposed on an animal, each said transmitter section including selfcontained power source means, signal generating means for producing a first signal, signal coding means for encoding said first signal to produce a second signal unique to a specific animal, and actuating means, each receiver section being disposed adjacent to said reviewing portion, said receiver section including power source means, signal receiving means, signal decoding means and signal transferring means, antenna means co-acting with each receiver section, each of said receiver sections being connected electrically with receiver sections of all other animal detecting stations and with interrogating means, each said transmitter section continuously transmitting said second signal while in the vicinity of a receiving section, and said interrogating means sequentially searching each of said receiver sections in a continuous rapidly repeating sequence, memory means capable of accepting an animal performance schedule, means for comparing signals from said interrogating means with said animal performance schedule, means for selectively activating electrical energizing means, and recording means for compiling a log of the activation of said electrical energizing means and the time periods of such activations.

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