Method and apparatus to perform a predefined search on data carriers, such as RFID tags
First Claim
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1. A method of automatically searching RFID tags, comprising:
- storing a number of characteristic data strings in a memory;
reading respective characteristic data strings from each of a number of RFID tags;
comparing each of the read characteristic data strings to the characteristic data strings stored in the memory; and
producing a first human-perceptible indication each time one of the read characteristic data string matches one of the characteristic data strings stored in the memory.
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Abstract
A data carrier reader is capable of executing a number of different reading methods. One method performs an inclusive search, identifying all RFID tags having a characteristic data string that appears on a list of characteristic data strings, for example, stored in a buffer. Another method performs and exclusive search, identifying any RFID tags having a characteristic data string that does not appear on the list. In each method, the data carrier reader provides a consistent and intuitive output the user to identify the successful and unsuccessful operations such as locating a desired RFID tag on the list or missing from the list.
30 Citations
34 Claims
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1. A method of automatically searching RFID tags, comprising:
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storing a number of characteristic data strings in a memory;
reading respective characteristic data strings from each of a number of RFID tags;
comparing each of the read characteristic data strings to the characteristic data strings stored in the memory; and
producing a first human-perceptible indication each time one of the read characteristic data string matches one of the characteristic data strings stored in the memory. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of automatically searching RFID tags, comprising:
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storing a number of characteristic data strings in a buffer;
reading a respective characteristic data strings from each of a number of RFID tags; and
identifying the RFID tags having the respective characteristic data strings that correspond to the characteristic data strings stored in the buffer. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of automatically searching RFID tags, comprising:
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storing a number of characteristic data strings in a memory;
reading a respective characteristic data string from each of a number of RFID tags;
comparing each of the read characteristic data strings to the characteristic data strings stored in the memory; and
producing a first human-perceptible indication each time one of the read characteristic data string does not matches at least one of the characteristic data strings stored in the memory. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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25. A method of automatically searching RFID tags, comprising:
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storing a number of characteristic data strings in a buffer;
reading a respective characteristic data string from each of a number of RFID tags; and
identifying the RFID tags having characteristic data strings that do not correspond to the characteristic data strings stored in the buffer. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification