Anti-theft device with alarm screening
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United States of America Patent
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Oct 5, 1999
Issued Date -
N/A
app pub date -
Aug 4, 1998
filing date -
Jun 19, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A motion sensitive theft detector system for portable articles featuring two way communication between the theft detector unit installed in or affixed to the portable article and the control unit carried by the owner. The theft detector communicates alerts to the control unit allowing the user to screen for false alarms and to trigger an alarm at the portable article when warranted. A second alarm function selected by the mode switch sounds an alarm automatically in response to motion according to an adaptive alarm sequence. The adaptive alarm varies the alarm in response to frequency and duration of motion so that isolated movement triggers a warning but persistent motion triggers a full scale alarm.
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