GB1238585A - - Google Patents
Info
- Publication number
- GB1238585A GB1238585A GB1238585DA GB1238585A GB 1238585 A GB1238585 A GB 1238585A GB 1238585D A GB1238585D A GB 1238585DA GB 1238585 A GB1238585 A GB 1238585A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ultrasonic
- transducers
- frequencies
- doppler
- measurement
- Prior art date
- 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
Links
Classifications
-
- 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
- G01S15/87—Combinations of sonar systems
-
- 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)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Acoustics & Sound (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681798104 DE1798104C3 (de) | 1968-08-22 | 1968-08-22 | Gerät für die Messung der Geschwindigkeit von in Leitungen strö menden Medien |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1238585A true GB1238585A (zh) | 1971-07-07 |
Family
ID=5708776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1238585D Expired GB1238585A (zh) | 1968-08-22 | 1969-08-22 |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT292188B (zh) |
DE (1) | DE1798104C3 (zh) |
FR (1) | FR2016998A1 (zh) |
GB (1) | GB1238585A (zh) |
NL (1) | NL6912763A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2130726A (en) * | 1982-11-26 | 1984-06-06 | South African Inventions | Device for guiding a surgical needle into a blood vessel |
US6261233B1 (en) | 1996-01-05 | 2001-07-17 | Sunlight Medical Ltd. | Method and device for a blood velocity determination |
CN107228954A (zh) * | 2017-06-22 | 2017-10-03 | 厦门博意达科技有限公司 | 超声波多普勒流速仪探头的改进结构 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2520426C2 (de) * | 1975-05-07 | 1977-04-07 | Standard Elektrik Lorenz Ag | Farbfernsehbildroehre |
US4142412A (en) * | 1976-05-12 | 1979-03-06 | Sutures Inc. | Doppler flow meter and method |
US4217909A (en) * | 1978-08-23 | 1980-08-19 | General Electric Company | Directional detection of blood velocities in an ultrasound system |
DE3147197C2 (de) * | 1981-11-27 | 1984-12-06 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und Vorrichtung zur Durchführung von Strömungsmessungen an strömenden Medien nach der Ultraschall-Doppler-Methode |
JPS61100236A (ja) * | 1984-10-08 | 1986-05-19 | 富士通株式会社 | 相関検出型超音波血流計 |
AU1169697A (en) * | 1996-01-05 | 1997-08-01 | Sunlight Ultrasound Technologies Limited | Blood volocity determination |
-
1968
- 1968-08-22 DE DE19681798104 patent/DE1798104C3/de not_active Expired
-
1969
- 1969-07-23 AT AT708369A patent/AT292188B/de active
- 1969-08-21 FR FR6928686A patent/FR2016998A1/fr not_active Withdrawn
- 1969-08-21 NL NL6912763A patent/NL6912763A/xx not_active Application Discontinuation
- 1969-08-22 GB GB1238585D patent/GB1238585A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2130726A (en) * | 1982-11-26 | 1984-06-06 | South African Inventions | Device for guiding a surgical needle into a blood vessel |
US6261233B1 (en) | 1996-01-05 | 2001-07-17 | Sunlight Medical Ltd. | Method and device for a blood velocity determination |
CN107228954A (zh) * | 2017-06-22 | 2017-10-03 | 厦门博意达科技有限公司 | 超声波多普勒流速仪探头的改进结构 |
Also Published As
Publication number | Publication date |
---|---|
AT292188B (de) | 1971-08-10 |
DE1798104B2 (de) | 1973-04-12 |
NL6912763A (zh) | 1970-02-24 |
DE1798104C3 (de) | 1973-10-31 |
DE1798104A1 (de) | 1972-04-13 |
FR2016998A1 (zh) | 1970-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |