BE815349A - OPTOELECTRIC DEVICE TO DETECT THE PRESENCE OF A MEDIUM - Google Patents

OPTOELECTRIC DEVICE TO DETECT THE PRESENCE OF A MEDIUM

Info

Publication number
BE815349A
BE815349A BE144581A BE144581A BE815349A BE 815349 A BE815349 A BE 815349A BE 144581 A BE144581 A BE 144581A BE 144581 A BE144581 A BE 144581A BE 815349 A BE815349 A BE 815349A
Authority
BE
Belgium
Prior art keywords
detect
medium
optoelectric device
optoelectric
Prior art date
Application number
BE144581A
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
Application filed filed Critical
Publication of BE815349A publication Critical patent/BE815349A/en

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
BE144581A 1973-05-22 1974-05-21 OPTOELECTRIC DEVICE TO DETECT THE PRESENCE OF A MEDIUM BE815349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT446073A AT324018B (en) 1973-05-22 1973-05-22 PROBE FOR DETERMINING GAS GASES IN A LIQUID

Publications (1)

Publication Number Publication Date
BE815349A true BE815349A (en) 1974-09-16

Family

ID=3564309

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144581A BE815349A (en) 1973-05-22 1974-05-21 OPTOELECTRIC DEVICE TO DETECT THE PRESENCE OF A MEDIUM

Country Status (7)

Country Link
AT (1) AT324018B (en)
BE (1) BE815349A (en)
CA (1) CA1010975A (en)
CH (1) CH567715A5 (en)
FR (1) FR2230996B1 (en)
GB (1) GB1472185A (en)
NL (1) NL7406910A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580802A5 (en) * 1975-07-21 1976-10-15 Hectronic Ag
WO1985000301A1 (en) * 1983-07-01 1985-01-31 Baxter Travenol Laboratories, Inc. Wettable devices operational with aqueous liquids
GB2185309A (en) * 1986-01-14 1987-07-15 Romotex Limited Gas bubble detector
DE3621009A1 (en) * 1986-06-23 1988-01-07 Truetzschler & Co DEVICE FOR DETECTING THE LEVEL IN A FIBER MATERIAL STORAGE, ESPECIALLY FOR SPINNING PREPARATION MACHINES
CN111122817A (en) * 2019-12-30 2020-05-08 深圳开立生物医疗科技股份有限公司 Pipeline bubble monitoring method and device, storage medium and analysis equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE515938A (en) *
GB1051462A (en) * 1963-12-05 1966-12-14
US3548657A (en) * 1967-11-30 1970-12-22 Maria Panerai Device for an outside display of the level of a liquid contained within a tank

Also Published As

Publication number Publication date
CH567715A5 (en) 1975-10-15
NL7406910A (en) 1974-11-26
DE2424387A1 (en) 1974-12-19
AT324018B (en) 1975-08-11
FR2230996A1 (en) 1974-12-20
DE2424387B2 (en) 1976-04-15
CA1010975A (en) 1977-05-24
FR2230996B1 (en) 1978-01-27
GB1472185A (en) 1977-05-04

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