Title:
WIRELESS COMMUNICATION SYSTEM, ANTENNA MODULE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/097783
Kind Code:
A1
Abstract:
Provided is a wireless communication system having excellent communication characteristics even between antenna modules having antenna coils with large differences in the external diameter. This wireless communication system comprises a first antenna module (2) provided with a first antenna coil (5), and a second antenna module which is provided with a second antenna coil (20) and which can communicate by receiving the magnetic field emitted from the first antenna module (2), wherein the first antenna coil (5) and the second antenna coil (20) have mutually different external diameters, and the surface area of the opening (6) inside of the innermost circumference of the antenna pattern of the antenna coil (5) which, has the larger outer diameter of the first and second antenna coils (5, 20), is formed to a size within 120% of the outer diameter area of the other antenna coil (20), which has the smaller outer diameter.
Inventors:
ORIHARA KATSUHISA (JP)
SAITO NORIO (JP)
FUKUDA AKIHIRO (JP)
RYOSON HIROYUKI (JP)
KANNO MASAYOSHI (JP)
SAITO NORIO (JP)
FUKUDA AKIHIRO (JP)
RYOSON HIROYUKI (JP)
KANNO MASAYOSHI (JP)
Application Number:
PCT/JP2013/080768
Publication Date:
June 26, 2014
Filing Date:
November 14, 2013
Export Citation:
Assignee:
DEXERIALS CORP (JP)
International Classes:
H01Q7/00; H01Q1/24; H01Q7/06; H01Q9/27
Domestic Patent References:
| WO2013114491A1 | 2013-08-08 |
Foreign References:
| US20090224888A1 | 2009-09-10 | |||
| JP2001217640A | 2001-08-10 | |||
| JP2002246830A | 2002-08-30 | |||
| JP2001313515A | 2001-11-09 | |||
| JP2007281818A | 2007-10-25 |
Attorney, Agent or Firm:
KOIKE, Akira et al. (JP)
Akira Koike (JP)
Akira Koike (JP)
Download PDF: