Object identification system with adaptive transceivers and methods of operation
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United States of America Patent
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Dec 14, 2004
Issued Date -
N/A
app pub date -
Mar 9, 2001
filing date -
Jun 2, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An object identification system includes a monitor and a plurality of transceivers that communicate over a common medium. The monitor includes a first transmitter, a first receiver, and a processor. Each transceiver includes a resonant circuit, a transmitter, a receiver, and an antenna coupled to the resonant circuit. The processor performs a method for performing transceiver communication that includes the steps of: (a) transmitting from the first transmitter a first frequency for a first duration; (b) after lapse of the first duration, receiving via the first receiver a response signal from at least one of the resonant circuits; (c) determining a second frequency from the received response signal; and (d) performing transceiver communication using the second frequency.
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