Electronic fence transmitter for self-adjusting the...

Details Electronic fence transmitter for self-adjusting the... Electronic fence transmitter for self-adjusting the...

2006-10-24

2006-10-24

Mullen, Thomas (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S561000, C340S573300, C340S657000, C119S720000, C119S908000

Reexamination Certificate

active

07126475

ABSTRACT:
An electronic fence transmitter for self-adjusting the receiving distance is comprised of a fence wire buried in a yard, a voltage detector that is connected in series to the fence wire and a comparator for comparing the detected voltage of the voltage detector with a reference voltage. A voltage applied to the fence wire is automatically adjusted according to a signal inputted from the comparator and increasing gradually until a value of the detected voltage is larger than the value of the reference voltage. Accordingly, a distance for receiving the signal from the fence wire is set as constant without regard to an installation length or area of fence wire.

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