| 摘要 |
Disclosed herein is a device for controlling animal access to a location, comprising generating means for generating a field; sensing means for sensing the presence of the field near the location; means for releasably securing one of the generating means and the sensing means on an animal; output signal means responsive to the sensing means for generating an output signal in the presence of the field, the output signal being of sufficient magnitude to deter the animal from the location. Also disclosed is a technique for deterring an animal from a location.
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