SE443233B - Enligt ekoprincipen arbetande ultraljudsnivaomkopplare - Google Patents

Enligt ekoprincipen arbetande ultraljudsnivaomkopplare

Info

Publication number: SE443233B
Authority: SE; Sweden
Prior art keywords: output; amplifier; threshold value; threshold; transmission
Prior art date: 1977-09-27

Application number

SE7810105A

Other languages

English (en)

Swedish (sv)

Other versions

SE7810105L (sv

Inventor

G Wetzel

Original Assignee

Endress Hauser Gmbh Co

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.)

1977-09-27

Filing date

1978-09-26

Publication date

1986-02-17

1978-09-26 Application filed by Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co

1979-03-28 Publication of SE7810105L publication Critical patent/SE7810105L/xx

1986-02-17 Publication of SE443233B publication Critical patent/SE443233B/sv

Links

238000002604 ultrasonography Methods 0.000 title 1
230000005540 biological transmission Effects 0.000 claims description 37
230000008878 coupling Effects 0.000 claims description 13
238000010168 coupling process Methods 0.000 claims description 13
238000005859 coupling reaction Methods 0.000 claims description 13
238000010586 diagram Methods 0.000 description 8
230000000903 blocking effect Effects 0.000 description 7
238000002592 echocardiography Methods 0.000 description 5
230000008901 benefit Effects 0.000 description 2
238000009434 installation Methods 0.000 description 2
230000007257 malfunction Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
230000008569 process Effects 0.000 description 2
230000001960 triggered effect Effects 0.000 description 2
230000003213 activating effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
230000003321 amplification Effects 0.000 description 1
239000002131 composite material Substances 0.000 description 1
230000007423 decrease Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
230000005669 field effect Effects 0.000 description 1
238000007373 indentation Methods 0.000 description 1
230000010354 integration Effects 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000003199 nucleic acid amplification method Methods 0.000 description 1
230000010355 oscillation Effects 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000002787 reinforcement Effects 0.000 description 1
230000004044 response Effects 0.000 description 1

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
- G01F23/296—Acoustic waves
- G01F23/2965—Measuring attenuation of transmitted waves
- 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
- G01F23/296—Acoustic waves
- G01F23/2961—Acoustic waves for discrete levels
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/908—Material level detection, e.g. liquid level

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Electromagnetism (AREA)
Thermal Sciences (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Ultra Sonic Daignosis Equipment (AREA)

SE7810105A 1977-09-27 1978-09-26 Enligt ekoprincipen arbetande ultraljudsnivaomkopplare SE443233B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2743409A DE2743409C3 (de)	1977-09-27	1977-09-27	Ve rstärkeranordnung für einen nach dem Echoprinzip arbeitenden Ultraschall-Füllstandgrenzschalter

Publications (2)

Publication Number	Publication Date
SE7810105L SE7810105L (sv)	1979-03-28
SE443233B true SE443233B (sv)	1986-02-17

Family

ID=6020001

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7810105A SE443233B (sv)	1977-09-27	1978-09-26	Enligt ekoprincipen arbetande ultraljudsnivaomkopplare

Country Status (9)

Country	Link
US (1)	US4202049A (it)
JP (1)	JPS5940275B2 (it)
CH (1)	CH634919A5 (it)
DE (1)	DE2743409C3 (it)
FR (1)	FR2404208A1 (it)
GB (1)	GB1599725A (it)
IT (1)	IT1098959B (it)
NL (1)	NL7809264A (it)
SE (1)	SE443233B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4341116A (en) *	1980-03-06	1982-07-27	Baxter Travenol Laboratories, Inc.	Liquid absence detector
US4437497A (en)	1981-09-23	1984-03-20	Enander Frederick A	Ultrasonic control of filling a container
US5155472A (en) *	1983-07-29	1992-10-13	Introtek International, Inc.	Contact type liquid level sensing system
JPS614986A (ja) *	1984-06-20	1986-01-10	Nissan Motor Co Ltd	超音波距離測定装置
US4944335A (en) *	1984-12-20	1990-07-31	The Coca-Cola Company	Automatic control system for filling beverage containers
DE3435989C2 (de) *	1984-10-01	1987-03-26	Nukem Gmbh, 6450 Hanau	Verfahren zur Wanddickenmessung von Körpern mittels Ultraschallimpulsen und Vorrichtung zur Durchführung des Verfahrens
US4740726A (en) *	1986-07-21	1988-04-26	Nohken Inc.	Vibrator-type level sensor
DE3835406A1 (de) *	1988-10-18	1990-04-19	Danfoss As	Vorrichtung zum messen eines fuellstandes
US5076384A (en) *	1989-10-17	1991-12-31	Mitsubishi Denki Kabushiki Kaisha	Ultrasonic obstacle sensor
US5131271A (en) *	1990-04-16	1992-07-21	Magnetrol International, Inc.	Ultrasonic level detector
US5192933A (en) *	1990-06-14	1993-03-09	Rodriguez Al W	Field-adjustable ultrasonic detector
JP3008991B2 (ja) *	1991-02-14	2000-02-14	株式会社ノーケン	振動式レベル検出装置
US5394732A (en) *	1993-09-10	1995-03-07	Cobe Laboratories, Inc.	Method and apparatus for ultrasonic detection of air bubbles
US5573041A (en) *	1994-08-01	1996-11-12	Electro-Pro, Inc.	Dispenser control with ultrasonic position detection
DE19538331A1 (de) *	1995-10-14	1997-04-17	Sonotec Dr Zur Horst Meyer & M	Verfahren und Vorrichtung zur Kontrolle des Eisstandes bei der Kaltwassererzeugung
DE19538680C2 (de) *	1995-10-17	1998-10-08	Endress Hauser Gmbh Co	Anordnung zur Überwachung eines vorbestimmten Füllstands einer Flüssigkeit in einem Behälter
US6323441B1 (en) *	2000-03-10	2001-11-27	Honeywell International Inc.	Ultrasonic distance measuring system for monitoring railroad car loads
RU2282829C2 (ru) *	2004-08-27	2006-08-27	Дмитрий Александрович Шаповалов	Датчик уровня сыпучих продуктов
US8353321B2 (en) *	2006-04-12	2013-01-15	Sensotech Inc.	Method and system for short-range ultrasonic location sensing
US8033157B2 (en)	2007-10-01	2011-10-11	Baxter International Inc.	Medical fluid air bubble detection apparatus and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2711531A (en) *	1951-01-15	1955-06-21	Gen Electric	Automatic gain control circuit
BE659053A (it) *	1964-01-30
FR1453956A (fr) *	1965-07-30	1966-07-22	British Petroleum Co	Sonde ultrasonore à étages multiples pour la détection de niveaux de liquide prédéterminés
FR1435831A (fr) *	1964-11-25	1966-04-22	Realisations Ultrasoniques Sa	Dispositif de mesure d'épaisseur ou de distance au moyen d'ultra-sons
US3456715A (en) *	1966-08-16	1969-07-22	Gen Dynamics Corp	Apparatus for the measurement of levels of high temperature materials
US3656134A (en) *	1970-07-27	1972-04-11	Union Tank Car Co	Liquid level detector
GB1377054A (en) *	1973-07-24	1974-12-11	Ford Motor Co	Vehicle fuel level indicating systems

1977
- 1977-09-27 DE DE2743409A patent/DE2743409C3/de not_active Expired
1978
- 1978-05-26 GB GB23568/78A patent/GB1599725A/en not_active Expired
- 1978-09-12 NL NL7809264A patent/NL7809264A/xx not_active Application Discontinuation
- 1978-09-20 US US05/944,168 patent/US4202049A/en not_active Expired - Lifetime
- 1978-09-21 FR FR7827104A patent/FR2404208A1/fr active Granted
- 1978-09-26 SE SE7810105A patent/SE443233B/sv not_active IP Right Cessation
- 1978-09-26 CH CH1001478A patent/CH634919A5/de not_active IP Right Cessation
- 1978-09-27 IT IT28148/78A patent/IT1098959B/it active
- 1978-09-27 JP JP53119061A patent/JPS5940275B2/ja not_active Expired

Also Published As

Publication number	Publication date
NL7809264A (nl)	1979-03-29
DE2743409C3 (de)	1980-09-04
FR2404208B1 (it)	1984-10-12
IT1098959B (it)	1985-09-18
JPS5940275B2 (ja)	1984-09-28
DE2743409A1 (de)	1979-03-29
DE2743409B2 (de)	1979-12-20
JPS5489656A (en)	1979-07-16
CH634919A5 (de)	1983-02-28
SE7810105L (sv)	1979-03-28
GB1599725A (en)	1981-10-07
US4202049A (en)	1980-05-06
IT7828148A0 (it)	1978-09-27
FR2404208A1 (fr)	1979-04-20

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 7810105-2

Effective date: 19930406

Format of ref document f/p: F

Publication	Publication Date	Title
SE443233B (sv)	1986-02-17	Enligt ekoprincipen arbetande ultraljudsnivaomkopplare
US4675854A (en)	1987-06-23	Sonic or ultrasonic distance measuring device
US4700569A (en)	1987-10-20	Method and arrangement for signal transmission in ultrasonic echo sounding systems
US4221004A (en)	1980-09-02	Adjustable ultrasonic level measurement device
US4135397A (en)	1979-01-23	Level measuring system
US4677595A (en)	1987-06-30	Ultrasonic vehicle rangefinder
US4080574A (en)	1978-03-21	Apparatus for providing time reference signals
US5768939A (en)	1998-06-23	Method and apparatus for acoustic level measurements
US6684919B2 (en)	2004-02-03	Filling level measuring device and method for the non-contact determination of the filling level of a filling product in a receptacle
US7327635B2 (en)	2008-02-05	Adaptive comparator circuit and acoustic distance sensor comprising said circuit
US4169255A (en)	1979-09-25	Automatic noise suppression system for acoustic height sensor
US3787803A (en)	1974-01-22	High performance meter depth sounder for automatically indicating depth without manual adjustment
US4380807A (en)	1983-04-19	Echo recognition system
US5177711A (en)	1993-01-05	Object detecting switch device
US3548370A (en)	1970-12-15	Depth sounder
US3431549A (en)	1969-03-04	Ultrasonic presence detectors
SE422502B (sv)	1982-03-08	Kopplingsanordning for en med ultraljud arbetande nervarororelsedetektor
CA1154140A (en)	1983-09-20	Echo recognition system
US4007428A (en)	1977-02-08	Automatic gain control of pulses
RU2032154C1 (ru)	1995-03-27	Ультразвуковой уровнемер
RU1768999C (ru)	1992-10-15	Устройство дл измерени скорости ультразвука в жидкост х
JP2771570B2 (ja)	1998-07-02	超音波検知器
SU934784A1 (ru)	1992-01-23	Акустический уровнемер
SU1059549A2 (ru)	1983-12-07	Устройство дл контрол работы электромагнита
JP2828678B2 (ja)	1998-11-25	超音波検知器