Title:
ANTENNA DEVICE AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/069455
Kind Code:
A1
Abstract:
In terms of outward appearance, an antenna device (111) is, for example, the jacket of a communication terminal (100). The communication terminal (100) is a portable terminal, for example, and a communication device (201) is configured by mounting the antenna device (111) on the communication terminal (100). The antenna device (111) is an antenna device that uses HF-band high-frequency signals as a carrier frequency, and is configured as an antenna device for a reader-writer used in a close-range communication system. The antenna device (111) has a resinous plate-shaped base as a body. An antenna coil (20) and an electric power supply coil (30) are integrally provided to the plate-shaped base. High-frequency signals are transmitted without contact between the electric power supply coil (30) and the antenna coil (20) via magnetic coupling.
Inventors:
YOSUI KUNIAKI (JP)
BABA TAKAHIRO (JP)
WAKABAYASHI YUKI (JP)
GOUCHI NAOKI (JP)
IKEMOTO NOBUO (JP)
BABA TAKAHIRO (JP)
WAKABAYASHI YUKI (JP)
GOUCHI NAOKI (JP)
IKEMOTO NOBUO (JP)
Application Number:
PCT/JP2012/077418
Publication Date:
May 16, 2013
Filing Date:
October 24, 2012
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01Q7/00; G06K17/00; H01F38/14
Domestic Patent References:
| WO2008062828A1 | 2008-05-29 | |||
| WO2011052310A1 | 2011-05-05 | |||
| WO2011135934A1 | 2011-11-03 |
Foreign References:
| JP2006048580A | 2006-02-16 | |||
| JP2010266227A | 2010-11-25 |
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)
Download PDF:
Claims: