×

Animal containment system

  • US 5,608,381 A
  • Filed: 09/23/1994
  • Issued: 03/04/1997
  • Est. Priority Date: 01/21/1986
  • Status: Expired due to Term
First Claim
Patent Images

1. An animal confinement system comprisinga transmitter for transmitting near infrared energy coded with pulses having first and second frequencies anda receiver to be worn by the animal for receiving the transmitted near infrared energy coded with said pulses having said first and second frequencies, said receiver includinga sounder for producing a warning tone,transformer means for providing a high voltage low energy shock,first means for operating said sounder when near infrared energy is received coded with pulses having said first frequency, said operating means having first and second one shots defining a first digital bandpass filter,second means for operating said transformer means when near infrared energy is received coded with pulses having said second frequency, said second operating means having third and fourth one shots defining a second digital bandpass filter,said first bandpass filter being selected so that said pulses having said first frequency will be detected while said pulses having said second frequency will not be detected, andsaid second bandpass filter being selected so that said pulses having said second frequency will be detected while said pulses having said first frequency will not be detected.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×