FR2226663A1 - - Google Patents
Info
- Publication number
- FR2226663A1 FR2226663A1 FR7411121A FR7411121A FR2226663A1 FR 2226663 A1 FR2226663 A1 FR 2226663A1 FR 7411121 A FR7411121 A FR 7411121A FR 7411121 A FR7411121 A FR 7411121A FR 2226663 A1 FR2226663 A1 FR 2226663A1
- 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.)
- Granted
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
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
- G01P5/242—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect involving continuous, e.g. modulated or unmodulated, waves
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- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732319724 DE2319724C3 (de) | 1973-04-18 | Gerät zum Erfassen der Geschwindigkeit strömender Medien |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2226663A1 true FR2226663A1 (de) | 1974-11-15 |
FR2226663B1 FR2226663B1 (de) | 1976-06-25 |
Family
ID=5878559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7411121A Expired FR2226663B1 (de) | 1973-04-18 | 1974-03-29 |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT341644B (de) |
FR (1) | FR2226663B1 (de) |
GB (1) | GB1426687A (de) |
NL (1) | NL168701C (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0075195A1 (de) * | 1981-09-21 | 1983-03-30 | Siemens Aktiengesellschaft | Verfahren und Gerät zur Strömungsmessung nach der Ultraschall-Puls-Doppler-Methode |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU672694B2 (en) * | 1993-04-19 | 1996-10-10 | Commonwealth Scientific And Industrial Research Organisation | Tissue characterisation using intravascular echoscopy |
GB2291969A (en) * | 1993-04-19 | 1996-02-07 | Commw Scient Ind Res Org | Tissue characterisation using intravascular echoscopy |
-
1974
- 1974-01-28 NL NL7401115A patent/NL168701C/xx active
- 1974-03-05 GB GB990974A patent/GB1426687A/en not_active Expired
- 1974-03-28 AT AT255974A patent/AT341644B/de not_active IP Right Cessation
- 1974-03-29 FR FR7411121A patent/FR2226663B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0075195A1 (de) * | 1981-09-21 | 1983-03-30 | Siemens Aktiengesellschaft | Verfahren und Gerät zur Strömungsmessung nach der Ultraschall-Puls-Doppler-Methode |
Also Published As
Publication number | Publication date |
---|---|
GB1426687A (en) | 1976-03-03 |
DE2319724A1 (de) | 1974-10-31 |
NL7401115A (de) | 1974-10-22 |
FR2226663B1 (de) | 1976-06-25 |
AT341644B (de) | 1978-02-27 |
ATA255974A (de) | 1977-06-15 |
DE2319724B2 (de) | 1976-12-16 |
NL168701C (nl) | 1982-05-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |