FR2230996B1 - - Google Patents

Info

Publication number
FR2230996B1
FR2230996B1 FR7417939A FR7417939A FR2230996B1 FR 2230996 B1 FR2230996 B1 FR 2230996B1 FR 7417939 A FR7417939 A FR 7417939A FR 7417939 A FR7417939 A FR 7417939A FR 2230996 B1 FR2230996 B1 FR 2230996B1
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
FR7417939A
Other languages
French (fr)
Other versions
FR2230996A1 (de
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.)
Hectronic AG
Original Assignee
Hectronic 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 Hectronic AG filed Critical Hectronic AG
Publication of FR2230996A1 publication Critical patent/FR2230996A1/fr
Application granted granted Critical
Publication of FR2230996B1 publication Critical patent/FR2230996B1/fr
Expired 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
    • 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)
FR7417939A 1973-05-22 1974-05-22 Expired FR2230996B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT446073A AT324018B (de) 1973-05-22 1973-05-22 Sonde zum ermitteln von gaselasen in einer flüssigkeit

Publications (2)

Publication Number Publication Date
FR2230996A1 FR2230996A1 (de) 1974-12-20
FR2230996B1 true FR2230996B1 (de) 1978-01-27

Family

ID=3564309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417939A Expired FR2230996B1 (de) 1973-05-22 1974-05-22

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580802A5 (de) * 1975-07-21 1976-10-15 Hectronic Ag
JPS60501772A (ja) * 1983-07-01 1985-10-17 バクスタ−、トラベノ−ル、ラボラトリ−ズ、インコ−ポレイテッド 水性液と共に作動する濡れることができる器具
GB2185309A (en) * 1986-01-14 1987-07-15 Romotex Limited Gas bubble detector
DE3621009A1 (de) * 1986-06-23 1988-01-07 Truetzschler & Co Vorrichtung zur erfassung des fuellstandes in einem fasermaterialspeicher, insbesondere fuer spinnereivorbereitungsmaschinen
CN111122817A (zh) * 2019-12-30 2020-05-08 深圳开立生物医疗科技股份有限公司 一种管路气泡监测方法、装置、存储介质及分析设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE515938A (de) *
GB1051462A (de) * 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
AT324018B (de) 1975-08-11
CH567715A5 (de) 1975-10-15
NL7406910A (de) 1974-11-26
DE2424387B2 (de) 1976-04-15
DE2424387A1 (de) 1974-12-19
GB1472185A (en) 1977-05-04
CA1010975A (en) 1977-05-24
BE815349A (fr) 1974-09-16
FR2230996A1 (de) 1974-12-20

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Legal Events

Date Code Title Description
ST Notification of lapse