Tag Identification System, Tag Reading Apparatus, and Method for Determining Location of Tags
First Claim
1. A tag identification system, comprising a tag reading apparatus which transmits interrogation signals and a plurality of tags arranged in a sequence, whereineach of the plurality of tags is capable of returning a reply in response to a received interrogation signal;
- the tag reading apparatus at least comprises a location determination unit which determines the arrangement location of the plurality of tags based on replies received by the tag reading apparatus which are returned by the plurality of tags in response to interrogation signals.
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Abstract
The invention provides a tag identification system, a tag reading apparatus, and a method for determining location of tags. According to an aspect of the invention, a tag identification system comprises a tag reading apparatus which transmits interrogation signals and a plurality of tags arranged in a sequence, wherein each of the plurality of tags is capable of returning a reply in response to a received interrogation signal; the tag reading apparatus at least comprises a location determination unit which determines the arrangement location of the plurality of tags based on replies received by the tag reading apparatus which are returned by the plurality of tags in response to interrogation signals.
42 Citations
21 Claims
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1. A tag identification system, comprising a tag reading apparatus which transmits interrogation signals and a plurality of tags arranged in a sequence, wherein
each of the plurality of tags is capable of returning a reply in response to a received interrogation signal; the tag reading apparatus at least comprises a location determination unit which determines the arrangement location of the plurality of tags based on replies received by the tag reading apparatus which are returned by the plurality of tags in response to interrogation signals. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A tag reading apparatus capable of transmitting an interrogation signal and receiving a reply returned from a tag, comprising:
a location determination unit which determines the arrangement location of a plurality of tags arranged in a sequence based on replies received by the tag reading apparatus which are returned by the plurality of tags in response to a plurality of interrogation signals transmitted from the tag reading apparatus. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for determining the arrangement location of a plurality of tags using a tag reading apparatus, comprising:
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an interrogation signal transmitting step for transmitting a plurality of interrogation signals to the plurality of tags from the tag reading apparatus; and a location determination step for determining the arrangement location of the plurality of tags based on replies received by the tag reading apparatus which are returned by the plurality of tags in response to the plurality of interrogation signals. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification