Reader Control System

• US 20080316019A1
• Filed: 04/25/2006
• Published: 12/25/2008
• Est. Priority Date: 04/25/2005
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Jin Tae, Min, Sang Cheol, Park, Jae Joon, Lee, Dong Hyun, Kim, Hee Seung, Ryoo, Seung Hyup, Kim, Yong Sang
• Granted Patent: US 8,115,595 B2
• Time in Patent Office: Days
• US Class Current: 340/539.11
• CPC Class Codes: G06K 7/0008 General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
• CPC Class Codes: G06K 7/10297 arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092 cryptographic protocols H04L9/00; network security protocols H04L63/00; real-time communication protocols in data switching networks H04L65/00; network protocols for data switching network services H04L67/00
• CPC Class Codes: G06K 7/10366 the interrogation device being adapted for miscellaneous applications
• CPC Class Codes: G06Q 20/352 Contactless payments by cards
• CPC Class Codes: G07F 7/0893 the card reader reading the card in a contactless manner
• CPC Class Codes: H04L 69/03 Protocol definition or specification protocol conformance testing H04L1/244
• CPC Class Codes: H04M 1/72409 by interfacing with external accessories hands-free H04M1/60
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: H04W 4/12 Messaging; Mailboxes; Announcements
• CPC Class Codes: H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation

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.

Claims

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.

2. The method according to claim 1, wherein the header of the RFID reader tag data request message further includes a message type field for describing that the message is a command and a code for describing that the message is an RFID tag data read command.

3. The method according to claim 1, wherein the RFID reader tag data request message is a command message for reading a specific ID of a tag, a stored ID code, a user data, and additional information.

4. The method according to claim 1, wherein the RFID reader tag data request message is one of a read type B TID for inquiry of a TID of a tag, a read type C UII block for inquiry of an UII block of a tag, a read type B user data for reading a user memory bank of a tag, a read type C user data for reading a user memory bank of a tag, a read entire type B tag for reading the entire area of a tag, a read entire type C tag for reading the entire area of a tag, a start automatic read for performing an automatic read operation, a stop automatic read for stopping an automatic read operation, and a vendor specific definable by a vendor.

5. The method according to claim 1, wherein the header of the RFID reader tag data response message further includes a message type field for describing that the message is a response and a code for describing that the message is a response to the RFID tag data read.

6. The method according to claim 1, wherein the payload of the RFID reader tag data response message includes information for describing a tag data or a result item about a required item.

7. The method according to claim 1, wherein the control command is a read type B UID command that is used to transmit an RFID control command protocol message including a message type for indicating a command and a code for describing that the command is a read type B UID command to the RFID reader;

and

the response is a response to the read type B UID command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the read type B UID command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

8. The method according to claim 1, wherein the control command is a read type C UII command that is used to transmit an RFID control command protocol message including a message type for indicating a command and a code for describing that the command is a read type C UII command to the RFID reader;

and

the response is a response to the read type C UII command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the read type C UII command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

9. The method according to claim 1, wherein the control command is a read type B user data command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a read type B user data command, and information necessary for reading a user memory bank to the RFID reader;

and

the response is a response to the read type B user data command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the read type B user data command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

10. The method according to claim 1, wherein the control command is a read type C user data command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a read type C user data command, and information necessary for reading a user memory bank to the RFID reader;

and

the response is a response to the read type C user data command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the read type C user data command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

11. The method according to claim 1, wherein the control command is a read entire type B tag command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a read entire type B tag command, and information necessary for reading a user memory bank to the RFID reader;

and

the response is a response to the read entire type B tag command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the read entire type B tag command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

12. The method according to claim 1, wherein the control command is a read entire type C tag command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a read entire type C tag command, and information necessary for reading a user memory bank to the RFID reader;

and

the response is a response to the read entire type C tag command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the read entire type C tag command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

13. The method according to claim 1, wherein the control command is a start automatic read command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a start automatic read command, and information necessary for performing an automatic read operation to the RFID reader;

and

the response is a response to the start automatic read command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the start automatic read command, and a payload field for describing the execution result of a command and the resulting data to the RFID reader control unit.

14. The method according to claim 1, wherein the control command is a stop automatic read command that is used to transmit an RFID control command protocol message including a message type for indicating a command and a code for describing that the command is a stop automatic read command to the RFID reader;

and

the response is a response to the stop automatic read command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the stop automatic read command, and a payload field for describing the execution result of a command to the RFID reader control unit.

15. The method according to claim 1, wherein a code value for indicating the response is identical to a code value for indicating the command.

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:

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.

17. The method according to claim 16, wherein the header of the RFID reader tag data write message further includes a message type field for describing that the message is a command and a code for describing that the message is an RFID tag data write command.

18. The method according to claim 16, wherein the RFID reader tag data write message is a command message for writing a user memory bank area of a tag or the entire content of a tag.

19. The method according to claim 16, wherein the RFID reader tag data write message is one of a write type C UII block for writing an UII block of a tag, a write type B user data for writing a user memory bank of a tag, a write type C user data for writing a user memory bank of a tag, a write entire type B tag for writing the entire area of a tag, a write entire type C tag for writing the entire area of a tag, and a vendor specific definable by a vendor.

20. The method according to claim 16, wherein the header of the RFID reader tag data response message further includes a message type field for describing that the message is a response and a code for describing that the message is a response to the RFID tag data write.

21. The method according to claim 16, wherein the payload of the RFID reader tag data response message includes information for describing a process result item for a required item.

22. The method according to claim 16, wherein the control command is a write type C UII block command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a write type C UII block command and information necessary for a write operation to the RFID reader;

and

the response is a response to the write type C UII block command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the write type C UII block command, and a payload field for describing the execution result of a command to the RFID reader control unit.

23. The method according to claim 16, wherein the control command is a write type B user data command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a write type B user data command and information necessary for a write operation to the RFID reader;

and

the response is a response to the write type B user data command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the write type B user data command, and a payload field for describing the execution result of a command to the RFID reader control unit.

24. The method according to claim 16, wherein the control command is a write type C user data command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a write type C user data command and information necessary for a write operation to the RFID reader;

and

the response is a response to the write type C user data command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the write type C user data command, and a payload field for describing the execution result of a command to the RFID reader control unit.

25. The method according to claim 16, wherein the control command is a write entire type B tag command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a write entire type B tag command and information necessary for a write operation to the RFID reader;

and

the response is a response to the write entire type B tag command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the write entire type B tag command, and a payload field for describing the execution result of a command to the RFID reader control unit.

26. The method according to claim 16, wherein the control command is a write entire type C tag command that is used to transmit an RFID control command protocol message including a message type for indicating a command, a code for describing that the command is a write entire type C tag command and information necessary for a write operation to the RFID reader;

and

the response is a response to the write entire type C tag command which is used to transmit an RFID response protocol message including a message type for indicating a response, a code for describing that the response is a response to the write entire type C tag command, and a payload field for describing the execution result of a command to the RFID reader control unit.

27. The method according to claim 16, wherein a code value for indicating the response is identical to a code value for indicating the command.