A system (10) for confining an animal (18) in an area (16) defined by a boundary signal. The system includes a transmitter (22; 22A) to generate the boundary signal and an emitter such as a wire (20) to define area (16). The system also includes a receiver (26; 26A; 200; 200A) to be carried on the animal's neck. The receiver includes three selectively monitored and orthogonally-positional antennas (30, 32, 34; 202, 204, 206) to avoid missing a boundary signal. The receiver further includes code-detecting, duration monitoring and/or signal-strength circuitry (270) to control giving a shock to the animal. Further, the receiver is duty-cycled to conserve battery power (56). The shock is communicated via a conductive compliant tip (532) to reduce discomfort to the animal. The transmitter includes circuitry (64) to include a code in the boundary signal, and an isolation transformer (102) to protect the transmitter from energy strikes, such as lightning, at the emitter (20).
An animal control system generates an on-off correction stimulus using a small transformer and rectifies the high voltage output to give an unfiltered unipolar voltage applied to electrodes as a correction stimulus. A small, efficient power isolation system. A programming signal can be applied to the electrodes to affect control parameters of the control system.
An animal control system and method generates an on-off correction stimulus using a small transformer and rectifies the high voltage output to give an unfiltered unipolar voltage applied to electrodes as a correction stimulus. A small, efficient power isolation system is disclosed. An omnidirectional antenna is disclosed that reduces authentication time.
The present invention 10 discloses a portable electronic, multi-sensory animal containment and tracking device which comprises a transmission cable 20 that is placed directly upon the ground to define a selective containment area 18 which cable 20 is plugged into and operated by a base unit 26 which can be powered by either rechargeable batteries 30 or a conventional 110-volt AC external power source 14. The transmission cable 20 has a plastic or rubberized coating 78 that is of a blue-violet and/or a yellow color to enhance the transmission cable's visibility to a canine 16. The transmission cable 20 emits a radio frequency output generated by a frequency generator 42 disposed in the base unit 26 and also activates an audible alarm through speaker 58 disposed in the remote unit 28 attached to the animal's collar 22 which thereby warns the animal 16 that it is close to the boundary line 20 and should retreat. If the animal 16 ignores the audible alarm and continues to proceed toward the perimeter of the confinement area 18, a mild electrical shock is introduced to the animal's neck via the conductive electrodes 68 which are disposed on the remote unit 28 attached to the collar 22. The present invention also provides an optional global positioning satellite system 82 capability wherein a global positioning satellite transmitter is located in the remote unit 28 worn on the collar 22 of the animal 16.
An electronic apparatus (1) for training an animal is supported against the animal's skin, and includes stimulus electrodes (5) for electrically contacting the skin. A controller including output terminals producing aversive stimulus control signals, a first switch (Q4) coupled to a winding to produce therein a burst of first current pulses in response to a first signal produced by the controller (33) and a second switch (Q2) coupled to the first switch (Q4) operative to synchronously shunt predetermined trailing portions of the first current pulses away from the winding in response to a second signal produced by the controller to reduce the amount of energy delivered to the winding by the switching transistor (Q4) without substantially changing a peak value of a flyback voltage across the winding. The controller sets various values of time intervals during which portions of the first current pulses are shunted away from the winding in order to set various corresponding intensities of aversive stimulus.
A method of providing wireless animal confinement includes the steps of selecting a location of a transmitter assembly; attaching a receiver assembly to the animal, the receiver assembly being adapted to selectively provide a corrective stimulation to the animal; selecting a first distance between the transmitter assembly and the receiver assembly to define a first zone within which no corrective stimulation is provided to the animal by the receiver assembly; selecting a second distance between the transmitter assembly and the receiver assembly to define a second zone beyond the first zone within which the corrective stimulation is provided to the animal by the receiver assembly; and selecting a third distance between the transmitter assembly and the receiver assembly to define a third zone beyond the second zone within which the animal will receive no further corrective stimulation from the receiver assembly.
