AU4136297A - Capacitance sensor - Google Patents

Capacitance sensor

Info

Publication number
AU4136297A
AU4136297A AU41362/97A AU4136297A AU4136297A AU 4136297 A AU4136297 A AU 4136297A AU 41362/97 A AU41362/97 A AU 41362/97A AU 4136297 A AU4136297 A AU 4136297A AU 4136297 A AU4136297 A AU 4136297A
Authority
AU
Australia
Prior art keywords
capacitance sensor
capacitance
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.)
Abandoned
Application number
AU41362/97A
Inventor
Hideto Kato
Ryochi 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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU4136297A publication Critical patent/AU4136297A/en
Abandoned 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)
AU41362/97A 1996-09-06 1997-09-08 Capacitance sensor Abandoned AU4136297A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8-257775 1996-09-06
JP25777596A JP2000028309A (en) 1996-09-06 1996-09-06 Capacitance sensor
PCT/JP1997/003154 WO1998010239A1 (en) 1996-09-06 1997-09-08 Capacitance sensor

Publications (1)

Publication Number Publication Date
AU4136297A true AU4136297A (en) 1998-03-26

Family

ID=17310936

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41362/97A Abandoned AU4136297A (en) 1996-09-06 1997-09-08 Capacitance sensor

Country Status (4)

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

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
EP1593988A4 (en) * 2002-12-25 2009-01-14 Act Elsi Inc Electrostatic capacity detection type proximity sensor
JP2004301795A (en) * 2003-04-01 2004-10-28 A & D Co Ltd Capacitance type load sensor
JP4305519B2 (en) * 2007-02-07 2009-07-29 株式会社デンソー Two-electrode capacitive sensor, vehicle occupant detection device, and vehicle occupant protection system
JP2010181369A (en) * 2009-02-09 2010-08-19 Panasonic Corp Human body detection sensor
JP5187588B2 (en) * 2009-03-26 2013-04-24 トヨタ紡織株式会社 Capacitance sensor and capacitance detection method
KR101123147B1 (en) * 2010-04-05 2012-03-16 (주)유민에쓰티 Capacitance type proximity sensor
LU100330B1 (en) * 2017-06-29 2019-01-08 Iee Sa Capacitive Sensor Arrangement
JP6944624B2 (en) * 2019-07-25 2021-10-06 重信 飯塚 Proximity sensor circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587503A (en) * 1981-07-08 1983-01-17 Nippon Steel Corp Capacity type displacement gage
JP2934672B2 (en) * 1989-07-03 1999-08-16 直之 大纒 Capacitive detector

Also Published As

Publication number Publication date
WO1998010239A1 (en) 1998-03-12
JP2000028309A (en) 2000-01-28
CA2266026A1 (en) 1998-03-12
CA2266026C (en) 2006-06-20

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