Movement monitor
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United States of America Patent
Stats
-
Jul 1, 1986
Grant Date -
N/A
app pub date -
May 9, 1983
filing date -
May 9, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A proximity monitoring system for individually identifying an object or person, and having a central information processor, and a signal receiver, several remote detectors in various locations at a distance from the information processor, each having a first transmitter for communicating with such processor and having a second transmitter and a receiver, and several individual personalized portable identifiers, each identifier having a continuously activated receiver, a signal transmitter which is normally de-activated, a battery pack, and a switch operated by the receiver in response to a signal from a detector, to switch the battery on to activate the transmitter, for emitting a personalized coded identification signal.
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Family
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Cited Art Landscape
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