Title:
ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/008356
Kind Code:
A1
Abstract:
A radiator (101) wherein a large loop is formed by radiation conductors (1, 2, 3), capacitors (C1, C2), and inductors (L1, L2), and a small loop is formed by the capacitor (C2), the inductor (L2), and portions of the radiation conductors (2, 3) that are near each other. The radiator (101) is configured so that a first portion, a second portion, and a third portion resonate at a predetermined frequency, the first portion following the large loop and including the inductor (L1), the capacitor (C1), and the inductor or the capacitor (C2); the second portion including the small loop and the section extending from a power supply point (P1) to a second position through the inductor (L1) and the capacitor (C1); and the third portion including the section extending from the power supply point (P1) through the capacitor (C1) to the second position.
Inventors:
ASANUMA KENICHI
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
Application Number:
PCT/JP2012/000617
Publication Date:
January 17, 2013
Filing Date:
January 31, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
ASANUMA KENICHI
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
ASANUMA KENICHI
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
International Classes:
H01Q1/38; H01Q5/10; H01Q5/321; H01Q5/371; H01Q7/00; H01Q9/16; H01Q9/26; H01Q9/30
Foreign References:
| JP2009111999A | 2009-05-21 | |||
| JP2009159480A | 2009-07-16 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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Claims: