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A house arrest monitoring system wherein a transmitter module is attached to the subject by a strap containing a number of conductors. The module includes a microprocessor which applies a voltage to selected conductors and establishes a voltage pattern on the conductors. Any detected change in the p

A house arrest monitoring system wherein a transmitter module is attached to the subject by a strap containing a number of conductors. The module includes a microprocessor which applies a voltage to selected conductors and establishes a voltage pattern on the conductors. Any detected change in the pattern causes the generation of a tamper signal. The system is set for monitoring by an optical signal to prevent unauthorized resetting following a tamper condition.

대표청구항 ▼

[ I claim:] [1.] An electronic monitor for attachment to a subject being monitored wherein a tampering of the monitor is detected and a tamper condition is indicated, said monitor comprising:a) a strap terminating in first and second connectors, said strap containing a plurality of conductors each h

[ I claim:] [1.] An electronic monitor for attachment to a subject being monitored wherein a tampering of the monitor is detected and a tamper condition is indicated, said monitor comprising:a) a strap terminating in first and second connectors, said strap containing a plurality of conductors each having a first end and a second end, said conductors extending between said first and second connectors;b) a module having first and second engaging means for receiving the first and second connectors respectively, said strap and module being attached to the subject;c) a transmitter contained within said module for generating a monitor signal, said transmitter indicating a tamper condition when the strap and module are disconnected;d) means for applying a voltage to the first end of selected conductors in the strap to establish a voltage pattern at the second ends of said plurality of conductors;e) means for monitoring the voltage pattern at the second ends to determine a change in voltage pattern causing the transmitter upon detection of a change to indicate a tamper condition.