RADIO FREQUENCY IDENTIFICATION TAGS
First Claim
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1. A radio frequency identification tag comprising first and second antenna elements, wherein the first and second antenna elements are configurable to be, in use, positioned to lie in substantially different planes.
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Abstract
A radio frequency identification tag comprising first and second antenna elements, wherein the first and second antenna elements are configurable to be, in use, positioned to lie in substantially different planes.
33 Citations
34 Claims
- 1. A radio frequency identification tag comprising first and second antenna elements, wherein the first and second antenna elements are configurable to be, in use, positioned to lie in substantially different planes.
- 21. A radio frequency identification tag comprising first and second antenna elements, wherein the first and second antenna elements are positioned to lie in substantially different planes.
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27. An article to which a radio frequency identification tag is attached, the tag comprising antenna elements attached to lie in substantially different planes of the article.
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28. An article to which is attached respective radio frequency identification tags located on two or more faces of the article, the faces lying in substantially different planes.
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29. An article comprising a radio frequency identification tag integrated within respective walls of the article, the tag comprising antenna elements arranged to lie in substantially different planes.
- 30. An article blank to be formed into an article, the blank comprising portions foldable with respect to one another to form walls of the article which, when the article is formed, lie in substantially different planes, and wherein respective walls comprise antenna elements for one or more radio frequency identification tags.
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33. A method of determining the orientation of a radio frequency identification tag by measuring the relative field strength of signals received from respective antenna elements lying in different planes.
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34. An antenna for an RFID tag having configurable parts that can be positioned to lie in substantially different planes.
Specification