CA1010975A - Optical-electrical apparatus for detecting the presence of a liquid medium - Google Patents

Optical-electrical apparatus for detecting the presence of a liquid medium

Info

Publication number: CA1010975A
Authority: CA; Canada
Prior art keywords: detecting; optical; liquid medium; electrical apparatus; electrical
Prior art date: 1973-05-22
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

CA200,447A

Inventor

Johann Kierner

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.)

1973-05-22

Filing date

1974-05-21

Publication date

1977-05-24

1974-05-21 Application filed by Hectronic AG filed Critical Hectronic AG

1977-05-24 Application granted granted Critical

1977-05-24 Publication of CA1010975A publication Critical patent/CA1010975A/en

Status Expired legal-status Critical Current

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)

CA200,447A 1973-05-22 1974-05-21 Optical-electrical apparatus for detecting the presence of a liquid medium Expired CA1010975A (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
CA1010975A true CA1010975A (en)	1977-05-24

Family

ID=3564309

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA200,447A Expired CA1010975A (en)	1973-05-22	1974-05-21	Optical-electrical apparatus for detecting the presence of a liquid 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

1973
- 1973-05-22 AT AT446073A patent/AT324018B/en not_active IP Right Cessation
1974
- 1974-05-17 CH CH677574A patent/CH567715A5/xx not_active IP Right Cessation
- 1974-05-21 BE BE144581A patent/BE815349A/en unknown
- 1974-05-21 CA CA200,447A patent/CA1010975A/en not_active Expired
- 1974-05-21 GB GB2251274A patent/GB1472185A/en not_active Expired
- 1974-05-22 NL NL7406910A patent/NL7406910A/xx not_active Application Discontinuation
- 1974-05-22 FR FR7417939A patent/FR2230996B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2424387A1 (en)	1974-12-19
GB1472185A (en)	1977-05-04
FR2230996A1 (en)	1974-12-20
AT324018B (en)	1975-08-11
CH567715A5 (en)	1975-10-15
DE2424387B2 (en)	1976-04-15
BE815349A (en)	1974-09-16
FR2230996B1 (en)	1978-01-27
NL7406910A (en)	1974-11-26

Similar Documents

Publication	Publication Date	Title
CA1017027A (en)	1977-09-06	Liquid level indicating apparatus
CA1032087A (en)	1978-05-30	Fluid separation apparatus
CA1007081A (en)	1977-03-22	Optical focus detecting apparatus
CA1000586A (en)	1976-11-30	Liquid handling
CA1009909A (en)	1977-05-10	Apparatus for detecting pump failure
CA964343A (en)	1975-03-11	Liquid level height measuring apparatus
CA1016882A (en)	1977-09-06	Tube for pressurized fluid substances
CA954331A (en)	1974-09-10	Liquid level indication apparatus
AU475056B2 (en)	1976-08-12	Liquid level alarm
CA1007907A (en)	1977-04-05	Optical focus detecting apparatus
CA1014680A (en)	1977-07-26	Floating apparatus for liquid composting
CA1017608A (en)	1977-09-20	Apparatus for detecting a dysmetric dyslexia vision condition
CA999677A (en)	1976-11-09	Apparatus for measuring the index of filterability of a liquid
AU3881772A (en)	1973-08-16	Liquid level detecting apparatus
CA986484A (en)	1976-03-30	Centrifuge apparatus
AU468702B2 (en)	1976-01-22	Proximity detecting apparatus
CA1002912A (en)	1977-01-04	Apparatus for dispensing liquids
AU470588B2 (en)	1976-03-18	Apparatus for fractionating fluid suspensions
CA1007495A (en)	1977-03-29	Optical focus detecting apparatus
CA1010975A (en)	1977-05-24	Optical-electrical apparatus for detecting the presence of a liquid medium
CA1023576A (en)	1978-01-03	Liquid fraction collecting apparatus
AU477004B2 (en)	1976-10-14	Liquid level sensors
CA975571A (en)	1975-10-07	Keg de-bunging apparatus
CA1035287A (en)	1978-07-25	Dialysis apparatus for purigying fluid substances
CA1016922A (en)	1977-09-06	Liquid level control for pulping apparatus