DE3750292D1 - Optischer Verschiebungsaufnehmer. - Google Patents

Optischer Verschiebungsaufnehmer.

Info

Publication number
DE3750292D1
DE3750292D1 DE3750292T DE3750292T DE3750292D1 DE 3750292 D1 DE3750292 D1 DE 3750292D1 DE 3750292 T DE3750292 T DE 3750292T DE 3750292 T DE3750292 T DE 3750292T DE 3750292 D1 DE3750292 D1 DE 3750292D1
Authority
DE
Germany
Prior art keywords
displacement sensor
optical displacement
optical
sensor
displacement
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.)
Expired - Fee Related
Application number
DE3750292T
Other languages
English (en)
Other versions
DE3750292T2 (de
Inventor
Katsuharu Iwamoto
Osamu Kawakami
Hideo Miyagawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE3750292D1 publication Critical patent/DE3750292D1/de
Application granted granted Critical
Publication of DE3750292T2 publication Critical patent/DE3750292T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE19873750292 1987-01-07 1987-12-15 Optischer Verschiebungsaufnehmer. Expired - Fee Related DE3750292T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50187A JPS63169521A (ja) 1987-01-07 1987-01-07 変位計

Publications (2)

Publication Number Publication Date
DE3750292D1 true DE3750292D1 (de) 1994-09-01
DE3750292T2 DE3750292T2 (de) 1995-01-05

Family

ID=11475505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873750292 Expired - Fee Related DE3750292T2 (de) 1987-01-07 1987-12-15 Optischer Verschiebungsaufnehmer.

Country Status (3)

Country Link
EP (1) EP0274091B1 (de)
JP (1) JPS63169521A (de)
DE (1) DE3750292T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077482A (en) * 1990-02-23 1991-12-31 Hughes Aircraft Company Liquid gauge having an optical fiber with flexible membrane enclosure
US5220180A (en) * 1990-02-23 1993-06-15 Hughes Aircraft Company Fiber optic fuel and liquid gauge having an open rigid "J" shaped tube
US5058420A (en) * 1990-04-20 1991-10-22 Hughes Aircraft Company Fiber optic liquid leak detector
US5852946A (en) * 1996-08-15 1998-12-29 Hewlett-Packard Company Method and apparatus for detecting fluid level
JP2005308455A (ja) * 2004-04-19 2005-11-04 Nec Corp 電磁界検出素子とそれを用いた電磁界測定装置
WO2008041944A1 (en) * 2006-10-06 2008-04-10 Respiratorius Ab Device for drug screening
US7615736B2 (en) 2007-05-31 2009-11-10 Fujikura Ltd. Optical sensor
GB2465372B (en) * 2008-11-14 2013-10-30 Nicholas James Adkins Optical displacement transducer
JP5415376B2 (ja) 2010-08-06 2014-02-12 株式会社フジクラ センサヘッド、および光学式センサ
FR3073940B1 (fr) * 2017-11-20 2019-11-08 Office National D'etudes Et De Recherches Aerospatiales Dispositif optique autocalibrant pour la mesure sans contact du niveau d'un liquide
WO2022255342A1 (ja) * 2021-06-03 2022-12-08 ローム株式会社 液面高さ検出装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57108605A (en) * 1980-12-26 1982-07-06 Meidensha Electric Mfg Co Ltd Displacement meter
JPS61118032U (de) * 1985-01-09 1986-07-25
JPS6031072A (ja) * 1983-07-30 1985-02-16 Tokyo Optical Co Ltd 光波距離計用光学アダプタ
DE3606847A1 (de) * 1986-03-03 1987-09-24 Schott Glaswerke Faseroptischer sensor fuer fluessigkeitsstandanzeiger oder -niveauregler

Also Published As

Publication number Publication date
EP0274091B1 (de) 1994-07-27
JPS63169521A (ja) 1988-07-13
EP0274091A2 (de) 1988-07-13
DE3750292T2 (de) 1995-01-05
EP0274091A3 (en) 1990-05-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee