CH563572A5 - - Google Patents

Info

Publication number
CH563572A5
CH563572A5 CH604174A CH604174A CH563572A5 CH 563572 A5 CH563572 A5 CH 563572A5 CH 604174 A CH604174 A CH 604174A CH 604174 A CH604174 A CH 604174A CH 563572 A5 CH563572 A5 CH 563572A5
Authority
CH
Switzerland
Application number
CH604174A
Original Assignee
Neuelektrik Ag
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 Neuelektrik Ag filed Critical Neuelektrik Ag
Publication of CH563572A5 publication Critical patent/CH563572A5/xx

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
    • 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)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH604174A 1973-10-25 1974-05-03 CH563572A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT907173A AT332138B (de) 1973-10-25 1973-10-25 Einrichtung zur anzeige oder steuerung des flussigkeitsspiegels in einem behalter

Publications (1)

Publication Number Publication Date
CH563572A5 true CH563572A5 (xx) 1975-06-30

Family

ID=3610949

Family Applications (1)

Application Number Title Priority Date Filing Date
CH604174A CH563572A5 (xx) 1973-10-25 1974-05-03

Country Status (3)

Country Link
AT (1) AT332138B (xx)
CH (1) CH563572A5 (xx)
FR (1) FR2249316A1 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580802A5 (xx) * 1975-07-21 1976-10-15 Hectronic Ag
AU524951B2 (en) * 1978-04-19 1982-10-14 See Probe Electronics Pty. Ltd. L.e.d. reflectance fluid level indicator
DE3519343A1 (de) * 1985-05-30 1986-12-04 Hella KG Hueck & Co, 4780 Lippstadt Vorrichtung zur messung und ueberwachung des fuellstandes eines fluessigkeitsbehaelters

Also Published As

Publication number Publication date
FR2249316A1 (en) 1975-05-23
ATA907173A (de) 1975-12-15
AT332138B (de) 1976-09-10

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Legal Events

Date Code Title Description
PL Patent ceased