DEVICE WITH SHARED ANTENNA FOR TRANSCEIVER AND RFID TAG
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United States of America Patent
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N/A
Issued Date -
Feb 2, 2017
app pub date -
Jul 28, 2015
filing date -
Jul 28, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A device includes an antenna, a transceiver, a radio frequency identification (RFID) tag, and a zero bias switch coupled to the antenna. The zero bias switch has a first path that couples the RFID tag to the antenna and isolates the RFID tag from the transceiver when the zero bias switch is in an unpowered state. A method includes selectively coupling an antenna to one of a radio frequency identification (RFID) tag or an RFID interrogator using a zero bias switch, wherein the zero bias switch has a first path that couples the RFID tag to the antenna and isolates the RFID tag from the RFID interrogator when the zero bias switch is in an unpowered state.
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