| http://www.w3.org/ns/prov#value | - The proximity alarm system of claim 7, where as long as the decoder is receiving a valid signal from the input transistor, the output of the decoder remains high to bias on the biasing transistor, resulting in a low voltage at the first input to AND gate and when the first input to AND gate is a high voltage, a count in decade counter advances with each pulse of the third timer and causes the alar
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