CA2266026A1 - Capteur de capacite - Google Patents

Capteur de capacite

Info

Publication number
CA2266026A1
CA2266026A1 CA002266026A CA2266026A CA2266026A1 CA 2266026 A1 CA2266026 A1 CA 2266026A1 CA 002266026 A CA002266026 A CA 002266026A CA 2266026 A CA2266026 A CA 2266026A CA 2266026 A1 CA2266026 A1 CA 2266026A1
Authority
CA
Canada
Prior art keywords
detection
electrostatic capacity
electrode
charge plate
capacity sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002266026A
Other languages
English (en)
Other versions
CA2266026C (fr
Inventor
Ryochi Kato
Hideto Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KS Techno Co Ltd
Original Assignee
Yashima Engineering Co., Ltd.
Ryochi Kato
Hideto Kato
Ks Techno Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yashima Engineering Co., Ltd., Ryochi Kato, Hideto Kato, Ks Techno Co., Ltd. filed Critical Yashima Engineering Co., Ltd.
Publication of CA2266026A1 publication Critical patent/CA2266026A1/fr
Application granted granted Critical
Publication of CA2266026C publication Critical patent/CA2266026C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/2405—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CA002266026A 1996-09-06 1997-09-08 Capteur de capacite Expired - Fee Related CA2266026C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8/257775 1996-09-06
JP25777596A JP2000028309A (ja) 1996-09-06 1996-09-06 静電容量センサ
PCT/JP1997/003154 WO1998010239A1 (fr) 1996-09-06 1997-09-08 Capteur de capacite

Publications (2)

Publication Number Publication Date
CA2266026A1 true CA2266026A1 (fr) 1998-03-12
CA2266026C CA2266026C (fr) 2006-06-20

Family

ID=17310936

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002266026A Expired - Fee Related CA2266026C (fr) 1996-09-06 1997-09-08 Capteur de capacite

Country Status (4)

Country Link
JP (1) JP2000028309A (fr)
AU (1) AU4136297A (fr)
CA (1) CA2266026C (fr)
WO (1) WO1998010239A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6329914B1 (en) * 1999-10-05 2001-12-11 Nec Technologies, Inc. Thickness measurement system and method for vehicle occupant detection
KR101046666B1 (ko) * 2002-12-25 2011-07-06 에이씨티 엘에스아이 인크. 정전 용량 검출형 근접 센서
JP2004301795A (ja) * 2003-04-01 2004-10-28 A & D Co Ltd 静電容量式荷重センサ
JP4305519B2 (ja) 2007-02-07 2009-07-29 株式会社デンソー ２電極型静電容量センサ、車両用乗員検出装置及び車両用乗員保護システム
JP2010181369A (ja) * 2009-02-09 2010-08-19 Panasonic Corp 人体検知センサ
JP5187588B2 (ja) * 2009-03-26 2013-04-24 トヨタ紡織株式会社 静電容量センサ及び静電容量検出方法
KR101123147B1 (ko) * 2010-04-05 2012-03-16 (주)유민에쓰티 정전용량형 근접센서
LU100330B1 (en) * 2017-06-29 2019-01-08 Iee Sa Capacitive Sensor Arrangement
JP6944624B2 (ja) * 2019-07-25 2021-10-06 重信 飯塚 近接センサ回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587503A (ja) * 1981-07-08 1983-01-17 Nippon Steel Corp 容量式変位計
JP2934672B2 (ja) * 1989-07-03 1999-08-16 直之 大纒 静電容量型検出装置

Also Published As

Publication number Publication date
AU4136297A (en) 1998-03-26
CA2266026C (fr) 2006-06-20
JP2000028309A (ja) 2000-01-28
WO1998010239A1 (fr) 1998-03-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed