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Title:
ELECTRIC FIELD COUPLER, COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND METHOD OF MANUFACTURING ELECTRIC FIELD COUPLER
Document Type and Number:
Japanese Patent JP2010034791
Kind Code:
A
Abstract:

To provide an electric field coupler that is miniaturized without reducing an electric characteristic and easily manufactured, a communication device, a communication system, and to provide a method of manufacturing the electric field coupler.

An electric field coupler 10 includes a strip-like coil 100 formed by bending a strip-like conductor which meanders along a plane perpendicular to a coupling direction in which electric field coupling occurs, such that coil axes AX1 and AX2 are perpendicular to the coupling direction, the strip-like coil having an electrical length of one-half wavelength of a predetermined frequency of a radio-frequency signal and having a form in which the coil axes AX1 and AX2 surround a central part O along the plane. The strip-like coil 100 produces coupling by a longitudinal wave electric field which vibrates in the coupling direction at the central part O.


Inventors:
WASHIRO MASANORI
Application Number:
JP2008193930A
Publication Date:
February 12, 2010
Filing Date:
July 28, 2008
Export Citation:
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Assignee:
SONY CORP
International Classes:
H01Q1/36; G06K19/08; H01Q7/00; H01Q11/04; H04B1/59; H04B5/02
Domestic Patent References:
JPH0971189A1997-03-18
JP2001223519A2001-08-17
JPH11214914A1999-08-06
JPH0531188U1993-04-23
JP2003188623A2003-07-04
JP2008099236A2008-04-24
JP2009100111A2009-05-07
Attorney, Agent or Firm:
Miaki Kametani
Tetsuo Kanamoto
Koji Hagiwara
Kazuki Matsumoto