RFID tag recognition apparatus and method and article sales data processing apparatus
First Claim
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1. An RFID tag recognizing apparatus which recognizes storage information of RFID tags attached to respective articles, comprising:
- an antenna which performs radio-communication with the RFID tags, a reading portion which reads storage information of RFID tags lying in a communication area of the antenna, a tag counting portion which counts the number of RFID tags from which storage information is read by the reading portion, an article number acquiring portion which acquires the number of articles lying in the communication area of the antenna, a comparing portion which compares the number of articles acquired by the article number acquiring portion with the number of RFID tags counted by the tag counting portion, and a processing portion which performs a process according to the comparison result by the comparing portion.
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Abstract
An RFID tag recognizing portion reads information from a plurality of RFID tags lying in a communication area of an antenna. The number of RFID tags from which information is read is counted. Further, the number of articles lying in the communication area of the antenna is acquired. Then, the number of RFID tags 6a is compared with the number of articles and information of the RFID tags is determined when they coincide with each other.
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Citations
14 Claims
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1. An RFID tag recognizing apparatus which recognizes storage information of RFID tags attached to respective articles, comprising:
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an antenna which performs radio-communication with the RFID tags, a reading portion which reads storage information of RFID tags lying in a communication area of the antenna, a tag counting portion which counts the number of RFID tags from which storage information is read by the reading portion, an article number acquiring portion which acquires the number of articles lying in the communication area of the antenna, a comparing portion which compares the number of articles acquired by the article number acquiring portion with the number of RFID tags counted by the tag counting portion, and a processing portion which performs a process according to the comparison result by the comparing portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An article sales data processing apparatus which processes article sales data based on storage information of RFID tags attached to respective articles, comprising:
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an antenna which performs radio-communication with the RFID tags, a reading portion which reads storage information of RFID tags lying in a communication area of the antenna, a tag counting portion which counts the number of RFID tags from which storage information is read by the reading portion, an article number acquiring portion which acquires the number of articles lying in the communication area of the antenna, a comparing portion which compares the number of articles acquired by the article number acquiring portion with the number of RFID tags counted by the tag counting portion, and a processing portion which determines the storage information of the RFID tags read by the reading portion when the number of articles acquired by the article number acquiring portion coincides with the number of RFID tags counted by the tag counting portion. - View Dependent Claims (9, 10, 11, 12, 13)
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14. An RFID tag recognizing method which recognizes storage information of RFID tags attached to respective articles, comprising:
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reading storage information of RFID tags lying in a communication area of an antenna which performs radio-communication with the RFID tags, counting the number of RFID tags from which storage information is read, acquiring the number of articles lying in the communication area of the antenna, comparing the number of articles with the number of RFID tags, and determining the storage information of the RFID tags read when the number of articles coincides with the number of RFID tags and informs an error when the number of articles does not coincide with the number of RFID tags.
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Specification