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Electronic Dog Fences An electronic fence Establishes a boundary for pets using a digital system. A physical barrier comprising a mild electronic shock is used to define the boundaries. When the warning sound of this electronic fence is ignored from the puppy, a digital collar delivers a mild electric shock. In 1973, Richard Peck devised, and patented the first electronic fence. The Collar A lightweight collar is Place on the dog, and as soon as the dog is too near the border there is a warning sound. If the pet ignores the warning and crosses the fences border, the collar emits a mild electronic shock. If the dog continues to approach the border, the shocks become more frequent, and the potency increases. This effectively trains your pet to avoid the invisible barrier of the fence. Since people do not wear collars, they are not affected. The Cost Analysis There have been price Analysis performed on digital dog fences, as well as the results reveal they have more aesthetic value and a lower price than a traditional fence. These systems would be the least successful if a dog crosses the boundary while in a state of high stress or fear. This system is also used for the containment of livestock when a traditional fence isn't legal, convenient or possible. The Variants  Some electronic fence Systems function with a wire that is frequently buried. This wire activates the Receiver collar with an emission of a radio signal. Some systems are totally Wireless, and have a central unit used to transmit the radio signal. When the dog Travels a specific distance from the fundamental unit, the radio signal is activated. Other collars function with GPS, and this determines the closeness to The location of the virtual fence without requiring any physical setup. This system is very flexible, specific areas within from the invisible fence Can be contained, and the bounds are easily changed. The GPS system does Not offer as much precision as a normal electronic fence. Some collars offer Multiple settings, therefore there are various options based on the size of the dog. For further infos take a look at [http://snappy.appypie.com/html5/canine-company hidden pet fence].