FR1585979A - - Google Patents

Info

Publication number
FR1585979A
FR1585979A FR1585979DA FR1585979A FR 1585979 A FR1585979 A FR 1585979A FR 1585979D A FR1585979D A FR 1585979DA FR 1585979 A FR1585979 A FR 1585979A
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
Other languages
French (fr)
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
Priority claimed from DE19671614865 external-priority patent/DE1614865A1/de
Application filed filed Critical
Application granted granted Critical
Publication of FR1585979A publication Critical patent/FR1585979A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • 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
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR1585979D 1967-09-27 1968-09-24 Expired FR1585979A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671614865 DE1614865A1 (de) 1967-09-27 1967-09-27 Optoelektronische Halbleiteranordnung

Publications (1)

Publication Number Publication Date
FR1585979A true FR1585979A (de) 1970-02-06

Family

ID=5682038

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1585979D Expired FR1585979A (de) 1967-09-27 1968-09-24

Country Status (3)

Country Link
JP (1) JPS46540B1 (de)
FR (1) FR1585979A (de)
GB (1) GB1239614A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007155A1 (de) * 1978-04-19 1980-01-23 See Probe Electronics Pty. Limited Kontrolleinrichtung
FR2494912A1 (fr) * 1980-11-21 1982-05-28 Radiotechnique Compelec Dispositif photocoupleur de detection
FR2594951A1 (fr) * 1986-02-24 1987-08-28 Photonique Ind Procede pour la mesure des caracteristiques physiques d'un milieu liquide ou gazeux et dispositif a fibres optiques pour sa mise en oeuvre
EP0292097A2 (de) * 1987-04-17 1988-11-23 NGK Spark Plug Co. Ltd. Gerät zur Feststellung des Mischungsverhältnisses von Benzin und einem Alkohol oder entsprechendem

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT506279A1 (de) * 2007-12-20 2009-07-15 Gassner Kurt Ing Diskontinuierliches verfahren zur abwasserreinigung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007155A1 (de) * 1978-04-19 1980-01-23 See Probe Electronics Pty. Limited Kontrolleinrichtung
FR2494912A1 (fr) * 1980-11-21 1982-05-28 Radiotechnique Compelec Dispositif photocoupleur de detection
FR2594951A1 (fr) * 1986-02-24 1987-08-28 Photonique Ind Procede pour la mesure des caracteristiques physiques d'un milieu liquide ou gazeux et dispositif a fibres optiques pour sa mise en oeuvre
EP0292097A2 (de) * 1987-04-17 1988-11-23 NGK Spark Plug Co. Ltd. Gerät zur Feststellung des Mischungsverhältnisses von Benzin und einem Alkohol oder entsprechendem
EP0292097A3 (en) * 1987-04-17 1989-12-13 Ngk Spark Plug Co. Ltd. Device for detecting the mixing ratio of petrol and an alcohol or the like

Also Published As

Publication number Publication date
GB1239614A (de) 1971-07-21
JPS46540B1 (de) 1971-01-08

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Legal Events

Date Code Title Description
ST Notification of lapse