Tamper-proof bracelet for home arrest system

Details Tamper-proof bracelet for home arrest system Tamper-proof bracelet for home arrest system

1993-02-19

1995-11-28

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340539, 340555, 340568, 340693, 379 38, G08B 13186

Patent

active

054711975

ABSTRACT:
A personnel monitoring apparatus has a transmitter for transmitting a data encoded signal. A strap is provided for coupling the transmitter to a person to be monitored. An emitter is attached to the transmitter for emitting an optical signal. A detector is attached to the transmitter for detecting the optical signal. An optical fiber is incorporated with the strap for optically coupling the emitter and the detector. A comparator compares the optical signal and a reference signal, and the result of the comparison sets the value of a preselected data bit in the data encoded signal.

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