FR1603446A - - Google Patents

Info

Publication number
FR1603446A
FR1603446A FR1603446DA FR1603446A FR 1603446 A FR1603446 A FR 1603446A FR 1603446D A FR1603446D A FR 1603446DA FR 1603446 A FR1603446 A FR 1603446A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1603446A publication Critical patent/FR1603446A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
FR1603446D 1968-08-07 1968-08-07 Expired FR1603446A (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR162159 1968-08-07

Publications (1)

Publication Number Publication Date
FR1603446A true FR1603446A (Direct) 1971-04-19

Family

ID=8653550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1603446D Expired FR1603446A (Direct) 1968-08-07 1968-08-07

Country Status (1)

Country Link
FR (1) FR1603446A (Direct)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2183180A1 (Direct) * 1972-05-01 1973-12-14 Gen Electric Canada
FR2214451A1 (Direct) * 1973-01-22 1974-08-19 Hitachi Medical Corp
FR2297028A1 (fr) * 1975-01-10 1976-08-06 Ieram Sarl Dispositif d'exploration de la circulation d'un liquide physiologique
FR2306455A1 (fr) * 1975-04-03 1976-10-29 Inst Nat Sante Rech Med Procede et dispositif de mesure de la vitesse relative de deplacement de deux parois mobiles et de l'ecartement instantane desdites parois

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2183180A1 (Direct) * 1972-05-01 1973-12-14 Gen Electric Canada
FR2214451A1 (Direct) * 1973-01-22 1974-08-19 Hitachi Medical Corp
FR2297028A1 (fr) * 1975-01-10 1976-08-06 Ieram Sarl Dispositif d'exploration de la circulation d'un liquide physiologique
FR2306455A1 (fr) * 1975-04-03 1976-10-29 Inst Nat Sante Rech Med Procede et dispositif de mesure de la vitesse relative de deplacement de deux parois mobiles et de l'ecartement instantane desdites parois

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Legal Events

Date Code Title Description
ST Notification of lapse