Title:
ANTENNA DEVICE AND COMMUNICATION TERMINAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/035713
Kind Code:
A1
Abstract:
An antenna device (101) comprises a flexible base material (10), a first coil (11) and a second coil (12) formed by a spiral conductor line disposed at the flexible base material (10) and having a winding center portion as a conductor opening portion, and a magnetic body core (30). Slits (21, 22) are disposed at the conductor opening portion of the flexible base material (10), and the magnetic body core (30) is inserted into the slits (21, 22). The antenna device is placed on a metallic body (40). The first coil (11) is wound in one direction. The second coil (12) is wound in a direction opposite to the direction in which the first coil (11) is wound. An outer circumference of the first coil (11) and an outer circumference of the second coil (12) are connected to each other, and the first coil (11) and the second coil (12) are placed next to each other.
Inventors:
KUBO HIROYUKI (JP)
YOSUI KUNIAKI (JP)
YOSUI KUNIAKI (JP)
Application Number:
PCT/JP2012/072547
Publication Date:
March 14, 2013
Filing Date:
September 05, 2012
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
KUBO HIROYUKI (JP)
YOSUI KUNIAKI (JP)
KUBO HIROYUKI (JP)
YOSUI KUNIAKI (JP)
International Classes:
H01Q7/06; G06K19/07; G06K19/077; H01Q1/38
Domestic Patent References:
| WO2009078214A1 | 2009-06-25 |
Foreign References:
| JP2011004316A | 2011-01-06 | |||
| JP2008028642A | 2008-02-07 |
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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Claims: