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US 2007/0176839 A1Published application
Folding dipole antenna and tag using the same
AssigneeFujitsu Limited
InventorsManabu Kai, Toru Maniwa, Takashi Yamagajo
Life of this patent
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Abstract
In a folded dipole antenna, both ends of a first dipole portion with a feeding portion are connected to both ends of a second dipole portion so that a slot portion may be formed, and the first and the second dipole portion have a width for generating a linearly-polarized wave in a slot mode (in a longitudinal direction) when an RFID chip is mounted on the feeding portion. A terminal of a chip is actually connected to an antenna terminal of the feeding portion of the folded dipole antenna to realize a tag.
Claims7
A folded dipole antenna comprising:
- a first dipole portion with a feeding portion;
- and
- a second dipole portion in which a slot portion is formed and to which both ends of the first dipole portion are connected;
- the first and the second dipole portion having a width for generating a linearly-polarized wave in a longitudinal direction, when a chip is mounted on the feeding portion.
1 more element
Dependencies are inferred from the claim text.