Title:
CAPACITANCE SENSOR
Document Type and Number:
WIPO Patent Application WO/2010/064677
Kind Code:
A1
Abstract:
The capacitance sensor is equipped with a substrate (10), a sensor electrode (26) which is formed on one of the principal surfaces of the substrate (10) and detects capacitance between the electrode and an object, a first guard electrode (25) which is formed surrounding the sensor electrode (26), and a second guard electrode (27) which is formed on the other principal surface of the substrate (10). A first terminal connection part (21) of the first guard electrode (25) and a second terminal connection part (23) of the second guard electrode (27) are provided in opposing positions.
Inventors:
OSAKI TAKUYA (JP)
KONDO MASAHIRO (JP)
SAKIYAMA KOJI (JP)
KONDO MASAHIRO (JP)
SAKIYAMA KOJI (JP)
Application Number:
PCT/JP2009/070297
Publication Date:
June 10, 2010
Filing Date:
December 03, 2009
Export Citation:
Assignee:
FUJIKURA LTD (JP)
OSAKI TAKUYA (JP)
KONDO MASAHIRO (JP)
SAKIYAMA KOJI (JP)
OSAKI TAKUYA (JP)
KONDO MASAHIRO (JP)
SAKIYAMA KOJI (JP)
International Classes:
G01B7/00; G01V3/08; G01B7/28; H01H36/00; H01R12/04; H01R12/55; H05K1/02; H05K1/11; H05K1/18
Foreign References:
JP2001094408A | 2001-04-06 | |||
JP2007139555A | 2007-06-07 | |||
JP2002062105A | 2002-02-28 | |||
JP2008309408A | 2008-12-25 | |||
JP2007139555A | 2007-06-07 |
Other References:
See also references of EP 2354814A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
It can exceed and is a patent business corporation. (JP)
It can exceed and is a patent business corporation. (JP)
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