FR2141312A5 - - Google Patents

Info

Publication number
FR2141312A5
FR2141312A5 FR7220763A FR7220763A FR2141312A5 FR 2141312 A5 FR2141312 A5 FR 2141312A5 FR 7220763 A FR7220763 A FR 7220763A FR 7220763 A FR7220763 A FR 7220763A FR 2141312 A5 FR2141312 A5 FR 2141312A5
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
FR7220763A
Other languages
French (fr)
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.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of FR2141312A5 publication Critical patent/FR2141312A5/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
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Measuring devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A61B5/0878—Measuring breath flow using temperature sensing means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Volume Flow (AREA)
FR7220763A 1971-06-11 1972-06-09 Expired FR2141312A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15238471A 1971-06-11 1971-06-11

Publications (1)

Publication Number Publication Date
FR2141312A5 true FR2141312A5 (enrdf_load_stackoverflow) 1973-01-19

Family

ID=22542689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220763A Expired FR2141312A5 (enrdf_load_stackoverflow) 1971-06-11 1972-06-09

Country Status (8)

Country Link
JP (1) JPS56150507U (enrdf_load_stackoverflow)
CA (1) CA962089A (enrdf_load_stackoverflow)
CH (1) CH549218A (enrdf_load_stackoverflow)
DE (1) DE2227067A1 (enrdf_load_stackoverflow)
FR (1) FR2141312A5 (enrdf_load_stackoverflow)
GB (1) GB1397113A (enrdf_load_stackoverflow)
IT (1) IT956445B (enrdf_load_stackoverflow)
SU (1) SU508161A3 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436974A1 (fr) * 1978-09-22 1980-04-18 Hitachi Ltd Appareil de mesure de debit a fil chaud
FR2459962A1 (fr) * 1979-06-25 1981-01-16 Assistance Tech Med Capteur de debit gazeux a fil chaud
EP0477851A3 (en) * 1990-09-25 1993-04-28 Alcatel Cit Circuit for processing a heat loss dependent signal of a resistor and application thereof
WO1994010540A1 (en) * 1992-11-02 1994-05-11 Albertus Theodorus Huiberts Method and apparatus for measuring the flow rate of a medium flow

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444511C3 (de) * 1974-09-18 1981-07-30 Volkswagenwerk Ag, 3180 Wolfsburg Thermischer Strömungsmesser für gasförmige Medien
JPS5618721A (en) * 1979-07-24 1981-02-21 Hitachi Ltd Air flow meter
US4334186A (en) 1979-10-03 1982-06-08 Hitachi, Ltd. Apparatus for driving hot-wire type flow sensor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436974A1 (fr) * 1978-09-22 1980-04-18 Hitachi Ltd Appareil de mesure de debit a fil chaud
FR2459962A1 (fr) * 1979-06-25 1981-01-16 Assistance Tech Med Capteur de debit gazeux a fil chaud
EP0477851A3 (en) * 1990-09-25 1993-04-28 Alcatel Cit Circuit for processing a heat loss dependent signal of a resistor and application thereof
WO1994010540A1 (en) * 1992-11-02 1994-05-11 Albertus Theodorus Huiberts Method and apparatus for measuring the flow rate of a medium flow
US5869758A (en) * 1992-11-02 1999-02-09 Gascontrol B.V. Method and apparatus for measuring the flow rate of a medium flow

Also Published As

Publication number Publication date
CA962089A (en) 1975-02-04
DE2227067A1 (de) 1973-01-04
JPS56150507U (enrdf_load_stackoverflow) 1981-11-11
IT956445B (it) 1973-10-10
CH549218A (de) 1974-05-15
GB1397113A (en) 1975-06-11
SU508161A3 (ru) 1976-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse