Group-addressable transponder arrangement
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United States of America Patent
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-
Apr 25, 1995
Grant Date -
N/A
app pub date -
Dec 8, 1992
filing date -
Dec 8, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A responder unit (12) located in spaced relation with respect to an interrogator unit (10) is described. The responder unit (12) has a responder unit receiver (130) for receiving at least one RF interrogation pulse, a responder unit memory (168) containing a potentially unique responder unit group address, a responder unit controller (202) operably connected to the memory (168) for comparing the potentially unique responder unit group address to the Group Address, and a responder unit transmitter (130) for transmitting a RF response when the potentially unique responder unit group address matches the Group Address.
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