COMMUNICATION METHOD FOR RADIO FREQUENCY IDENTIFICATION
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Feb 12, 2009
filing date -
Feb 12, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a communication method for radio frequency identification (RFID). In order to transmit a command message with respect to an RFID tag, an RFID reader generates a command message comprising a command code indicating a type of command to be delivered to the RFID tag, a response format having one or more bits for indicating a type of additional data to be added to a response message to be received from the RFID tag, and an identifier identifying the RFID tag; and transmits the command message to the RFID tag, thereby allowing the RFID tag to immediately transmit the additional data via the response message in response to the command message.
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