Systems, methods, and apparatus for establishing keep out zones within wireless containment regions

Abstract

A system comprising a first transmitter for transmitting a first signal at a first frequency and a second transmitter for transmitting a second signal at a second frequency. The system includes a collar unit comprising a filter for receiving a combined signal, wherein the combined signal comprises the first signal and the second signal, wherein the filter includes a first antenna for detecting the first signal and a second antenna for detecting the second signal. The collar unit includes at least one signal analysis component configured to analyze the first signal and the second signal. The collar unit is configured to instruct a stimulus delivery unit to deliver a stimulus to the animal when the first signal voltage falls below a first value and the second signal voltage exceeds a second value.

1 . A system comprising,
 a first transmitter for transmitting a first signal at a first frequency;   a second transmitter for transmitting a second signal at a second frequency;   a collar unit comprising a receiver for receiving a combined signal, wherein the combined signal comprises the first signal and the second signal, wherein the receiver includes a first antenna for detecting the first signal and a second antenna for detecting the second signal, wherein the first antenna is tuned to the first frequency, wherein the second antenna is tuned to the second frequency;   the collar unit comprising a stimulus unit, wherein the collar unit is configured for wear by an animal, wherein the stimulus unit is configured to deliver a stimulus to the animal;   the collar unit comprising a first signal analysis component and a second signal analysis component;   the first signal analysis component configured to analyze the first signal, wherein the analyzing the first signal comprises instructing the stimulus delivery unit to deliver a first stimulus to the animal when a first voltage of the first signal falls below a first threshold value; and   the second signal analysis component configured to analyze the second signal, wherein the analyzing the second signal comprises instructing the stimulus delivery unit to deliver a second stimulus to the animal when a second voltage of the second signal exceeds a second threshold value.   
     
     
         2 . The system of  claim 1 , wherein the receiver includes a first narrow-band band pass filter centered at the first frequency of the first detected signal for isolating the first detected signal from nearby signal frequencies. 
     
     
         3 . The system of  claim 2 , wherein the first frequency comprises 18.72 kilohertz. 
     
     
         4 . The system of  claim 1 , wherein the receiver includes a second narrow-band band pass filter centered at the second frequency of the second detected signal for isolating the second detected signal from nearby signal frequencies. 
     
     
         5 . The system of  claim 4 , wherein the second frequency comprises 20 kilohertz. 
     
     
         6 . The system of  claim 1 , wherein a first range of the first signal defines a first boundary of a containment area, wherein the delivery of the first stimulus discourages the animal from leaving the containment area. 
     
     
         7 . The system of  claim 6 , wherein a second range of the second signal defines a second boundary of an avoidance region, wherein the delivery of the second stimulus discourages the animal from entering the avoidance area. 
     
     
         8 . The system of  claim 7 , wherein the range of the first signal is greater than the range of the second signal. 
     
     
         9 . The system of  claim 8 , wherein the second boundary of the avoidance region is located within the first boundary of the containment area. 
     
     
         10 . The system of  claim 1 , wherein the first signal and the second signal comprise an electromagnetic signal. 
     
     
         11 . The system of  claim 1 , wherein the first antenna and the second antenna comprise coil antennas. 
     
     
         12 . A system comprising,
 a first transmitter for transmitting a first signal at a first frequency;   a second transmitter for transmitting a second signal at a second frequency;   a collar unit comprising a receiver for receiving a combined signal, wherein the combined signal comprises the first signal and the second signal, wherein the receiver comprises an antenna tuned to detect a range of frequencies including the first frequency and the second frequency;   the receiver including a first filter and a second filter, the first filter configured to isolate the first signal from the combined signal, and the second filter configured to isolate the second signal from the combined signal;   the collar unit comprising a stimulus unit, wherein the collar unit is configured for wear by an animal, wherein the stimulus unit is configured to deliver a stimulus to the animal;   the collar unit comprising a first signal analysis component and a second signal analysis component;   the first signal analysis component configured to analyze the first signal, wherein the analyzing the first signal comprises instructing the stimulus delivery unit to deliver a first stimulus to the animal when a first voltage of the first signal falls below a first threshold value; and   the second signal analysis component configured to analyze the second signal, wherein the analyzing the second signal comprises instructing the stimulus delivery unit to deliver a second stimulus to the animal when a second voltage of the second signal exceeds a second threshold value.   
     
     
         13 . The system of  claim 12 , wherein the first filter applies a first narrow-band band pass filter centered at the first frequency to the combined signal to isolate the first signal. 
     
     
         14 . The system of  claim 13 , wherein the first frequency comprises 18.72 kilohertz. 
     
     
         15 . The system of  claim 12 , wherein the second filter applies a second narrow-band band pass filter centered at the second frequency to the combined signal to isolate the second signal. 
     
     
         16 . The system of  claim 15 , wherein the second frequency comprises 20 kilohertz. 
     
     
         17 . The system of  claim 12 , wherein a first range of the first signal defines a first boundary of a containment area, wherein the delivery of the first stimulus discourages the animal from leaving the containment area. 
     
     
         18 . The system of  claim 17 , wherein a second range of the second signal defines a second boundary of an avoidance region, wherein the delivery of the second stimulus discourages the animal from entering the avoidance area. 
     
     
         19 . The system of  claim 18 , wherein the range of the first signal is greater than the range of the second signal. 
     
     
         20 . The system of  claim 19 , wherein the second boundary of an avoidance region is located within the first boundary of the containment area. 
     
     
         21 . The system of  claim 12 , wherein the first signal and the second signal comprise an electromagnetic signal. 
     
     
         22 . The system of  claim 12 , wherein the first antenna and the second antenna comprise coil antennas. 
     
     
         23 - 35 . (canceled)