Reader Control System
First Claim
Patent Images
1. A method of inquiring RFID tag data by transmitting a control protocol message between an RFID reader and an RFID reader control unit of a terminal, the method comprising:
- transmitting, from the RFID reader control unit to the RFID reader, an RFID reader tag data request message comprising a preamble and a header including information for indicating an RFID tag data read command, and if necessary, further comprising a payload and an end mark; and
transmitting, from the RFID reader to the RFID reader control unit in response to the RFID reader tag data request message, a response message comprising a preamble, a header including information for indicating an response to the RFID tag data read command, a payload, and an end mark.
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Accused Products
Abstract
An RFID reader control system and method is provided. A protocol for controlling an RFID reader and an RFID reader control unit of a mobile phone is defined. Messages, information, commands, responses, and notification are constructed and transmitted between the RFID reader and the RFID reader control unit.
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Citations
27 Claims
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1. A method of inquiring RFID tag data by transmitting a control protocol message between an RFID reader and an RFID reader control unit of a terminal, the method comprising:
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transmitting, from the RFID reader control unit to the RFID reader, an RFID reader tag data request message comprising a preamble and a header including information for indicating an RFID tag data read command, and if necessary, further comprising a payload and an end mark; and transmitting, from the RFID reader to the RFID reader control unit in response to the RFID reader tag data request message, a response message comprising a preamble, a header including information for indicating an response to the RFID tag data read command, a payload, and an end mark. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of controlling an RFID tag data write operation by transmitting a control protocol message between an RFID reader and an RFID reader control unit of a terminal, the method comprising:
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transmitting, from the RFID reader control unit to the RFID reader, an RFID reader tag data write message comprising a preamble and a header including information for indicating an RFID tag data write command, and if necessary, further comprising a payload and an end mark; and transmitting, from the RFID reader to the RFID reader control unit in response to the RFID reader tag data write message, a response message comprising a preamble, a header including information for indicating an response to the RFID tag data write command, a payload, and an end mark. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification