RFID tag and RFID reader for anti-collision and operating method thereof
First Claim
1. A radio frequency identification (RFID) tag for anti-collision, comprising:
- a tag receiving part that receives a tag recognition signal from a RFID reader;
a tag transmitting part that transmits a response signal and tag data in response to the tag recognition signal;
a mode switching part that switches a current mode into a predetermined mode; and
a controlling part that causes the predetermined mode to be switched by the mode switching part, when the response signal is transmitted a predetermined number of times by the tag transmitting part.
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Accused Products
Abstract
A radio frequency identification (RFID) tag and a RFID reader for anti-collision, and an operation method thereof are provided. The RFID tag includes a tag receiving part for receiving a tag recognition signal from a RFID reader, a tag transmitting part for transmitting a response signal and a tag data in response to the tag recognition signal, a mode switching part for switching current mode into a predetermined mode, and a controlling part for causing the predetermined mode to be switched by the mode switching part, when the response signal is transmitted by a predetermined number of times by the tag transmitting part. Accordingly, when a few number of RFID tags are used, collision of tag data can be prevented at the RFID reader, and the RFID tags are rapidly recognized.
27 Citations
15 Claims
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1. A radio frequency identification (RFID) tag for anti-collision, comprising:
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a tag receiving part that receives a tag recognition signal from a RFID reader;
a tag transmitting part that transmits a response signal and tag data in response to the tag recognition signal;
a mode switching part that switches a current mode into a predetermined mode; and
a controlling part that causes the predetermined mode to be switched by the mode switching part, when the response signal is transmitted a predetermined number of times by the tag transmitting part. - View Dependent Claims (2, 3, 4)
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5. An operating method of a radio frequency identification (RFID) tag for anti-collision, comprising:
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receiving a tag recognition signal from a RFID reader;
transmitting a response signal and tag data in response to the tag recognition signal; and
switching a current mode to a predetermined mode, when the response signal is transmitted a predetermined number of times. - View Dependent Claims (6, 7)
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8. A radio frequency identification (RFID) reader for anti-collision, comprising:
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a reader transmitting part that transmits a tag recognition signal to one or more RFID tags;
a reader receiving part that receives tag data from the one or more RFID tags in accordance with the tag recognition signal; and
a controlling part that, when the tag data is received, generates a mode switch signal for a RFID tag corresponding to the received tag data and transmitting through the reader transmitting part. - View Dependent Claims (9, 10, 11)
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12. An operation method of a radio frequency identification (RFID) reader for anti-collision, comprising:
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transmitting a tag recognition signal to one or more RFID tags;
receiving tag data from the one or more RFID tags in accordance with the tag recognition signal; and
generating a mode switch signal for a RFID tag corresponding to the received tag data and transmitting the mode switch signal, when the tag data is received. - View Dependent Claims (13, 14, 15)
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Specification