FR2492974B3 - - Google Patents

Info

Publication number
FR2492974B3
FR2492974B3 FR8022810A FR8022810A FR2492974B3 FR 2492974 B3 FR2492974 B3 FR 2492974B3 FR 8022810 A FR8022810 A FR 8022810A FR 8022810 A FR8022810 A FR 8022810A FR 2492974 B3 FR2492974 B3 FR 2492974B3
Authority
FR
France
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
Application number
FR8022810A
Other languages
French (fr)
Other versions
FR2492974A1 (fr
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.)
GEDITEC
Original Assignee
GEDITEC
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 GEDITEC filed Critical GEDITEC
Priority to FR8022810A priority Critical patent/FR2492974A1/fr
Publication of FR2492974A1 publication Critical patent/FR2492974A1/fr
Application granted granted Critical
Publication of FR2492974B3 publication Critical patent/FR2492974B3/fr
Granted 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
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/686—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means using opto-electrically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
FR8022810A 1980-10-24 1980-10-24 Capteur optique de niveau Granted FR2492974A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8022810A FR2492974A1 (fr) 1980-10-24 1980-10-24 Capteur optique de niveau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8022810A FR2492974A1 (fr) 1980-10-24 1980-10-24 Capteur optique de niveau

Publications (2)

Publication Number Publication Date
FR2492974A1 FR2492974A1 (fr) 1982-04-30
FR2492974B3 true FR2492974B3 (enrdf_load_stackoverflow) 1983-08-12

Family

ID=9247296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8022810A Granted FR2492974A1 (fr) 1980-10-24 1980-10-24 Capteur optique de niveau

Country Status (1)

Country Link
FR (1) FR2492974A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6729711B1 (en) 1993-05-26 2004-05-04 Canon Kabushiki Kaisha Ink jet recording apparatus
ES2145074T3 (es) * 1993-05-26 2000-07-01 Canon Kk Aparato para impresion por chorros de tinta.
DE20014375U1 (de) * 2000-08-19 2000-12-28 MesSen Nord Gesellschaft für Meß-, Sensor- und Datentechnik mbH, 18198 Stäbelow Gerät zum Prüfen der Dichtheit von Flüssigkeit aufnehmenden Bauwerken
DE10206277C1 (de) * 2002-02-15 2003-10-16 Miele & Cie Programmgesteuerte Geschirrspülmaschine mit einer Überlaufsicherung
JP6091500B2 (ja) 2011-06-07 2017-03-08 メジャメント スペシャリティーズ， インコーポレイテッド 流体検出のための光検出装置、およびそのための方法

Also Published As

Publication number Publication date
FR2492974A1 (fr) 1982-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse