CH618271A5 - - Google Patents

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Publication number
CH618271A5
CH618271A5 CH753377A CH753377A CH618271A5 CH 618271 A5 CH618271 A5 CH 618271A5 CH 753377 A CH753377 A CH 753377A CH 753377 A CH753377 A CH 753377A CH 618271 A5 CH618271 A5 CH 618271A5
Authority
CH
Switzerland
Prior art keywords
solution
subtractor
output
input
sensor
Prior art date
Application number
CH753377A
Other languages
German (de)
English (en)
Inventor
Zdenko Figura
Original Assignee
Vyzk Ustav Mech
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 Vyzk Ustav Mech filed Critical Vyzk Ustav Mech
Publication of CH618271A5 publication Critical patent/CH618271A5/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
    • 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
    • G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CH753377A 1976-06-30 1977-06-20 CH618271A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS7600004301A CS186469B1 (en) 1976-06-30 1976-06-30 Connexion of the temperature compensation of the ultrasound meter of the solution concentration

Publications (1)

Publication Number Publication Date
CH618271A5 true CH618271A5 (fr) 1980-07-15

Family

ID=5385415

Family Applications (1)

Application Number Title Priority Date Filing Date
CH753377A CH618271A5 (fr) 1976-06-30 1977-06-20

Country Status (8)

Country Link
US (1) US4166394A (fr)
JP (1) JPS5328492A (fr)
CH (1) CH618271A5 (fr)
CS (1) CS186469B1 (fr)
DE (1) DE2726533C3 (fr)
FR (1) FR2356936A1 (fr)
IT (1) IT1074878B (fr)
SE (1) SE7707415L (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56136470A (en) * 1980-03-27 1981-10-24 Toshiba Corp Battery control device
US4773267A (en) * 1980-03-31 1988-09-27 Micro Pure Systems, Inc. Ultrasonic sensing
US4324131A (en) * 1980-04-09 1982-04-13 Allan Rosencwaig Liquid chromatography detector
WO1992003723A1 (fr) * 1990-08-24 1992-03-05 Vsesojuzny Nauchno-Issledovatelsky Institut Prirodnykh Gazov (Vniigaz) Procede et dispositif de determination de parametres d'etat physique d'un milieu
US5542298A (en) * 1990-08-24 1996-08-06 Sarvazian; Armen P. Method for determining physical stage parameters of a medium and an apparatus for carrying out same
US6338028B1 (en) 1998-06-11 2002-01-08 Trw Inc. Ultrasonic sensor system and method having input capture for echo processing
US5991234A (en) * 1998-06-11 1999-11-23 Trw Inc. Ultrasonic sensor system and method having automatic excitation frequency adjustment
DE10112583C2 (de) * 2001-03-15 2003-03-27 Siemens Ag Verfahren zur Temperaturkompensation sowie Vorrichtung zum Messen der spezifischen Dichte
US7570893B2 (en) * 2006-06-01 2009-08-04 Hewlett-Packard Development Company, L.P. Methods of monitoring a marking liquid, apparatuses for monitoring a marking liquid, and image transfer devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076519A (en) * 1958-12-18 1963-02-05 Texas Instruments Inc Ultrasonic surveyor's distance measuring instrument
US3299707A (en) * 1963-05-31 1967-01-24 Centre Nat Rech Metall Method of measuring temperatures
US3973430A (en) * 1973-07-27 1976-08-10 Process And Pollution Controls Company Water pollution monitor

Also Published As

Publication number Publication date
FR2356936B1 (fr) 1980-03-07
IT1074878B (it) 1985-04-20
JPS5328492A (en) 1978-03-16
DE2726533B2 (de) 1979-11-22
FR2356936A1 (fr) 1978-01-27
DE2726533A1 (de) 1978-01-05
US4166394A (en) 1979-09-04
DE2726533C3 (de) 1980-08-07
CS186469B1 (en) 1978-12-29
SE7707415L (sv) 1977-12-31

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Legal Events

Date Code Title Description
PL Patent ceased