DE3650192D1 - Verfahren und Gerät zum Bestimmen von Geschwindigkeiten mittels Ultraschall-Doppler-Echographie im Inneren eines sich bewegenden Fluids. - Google Patents
Verfahren und Gerät zum Bestimmen von Geschwindigkeiten mittels Ultraschall-Doppler-Echographie im Inneren eines sich bewegenden Fluids.Info
- Publication number
- DE3650192D1 DE3650192D1 DE3650192T DE3650192T DE3650192D1 DE 3650192 D1 DE3650192 D1 DE 3650192D1 DE 3650192 T DE3650192 T DE 3650192T DE 3650192 T DE3650192 T DE 3650192T DE 3650192 D1 DE3650192 D1 DE 3650192D1
- Authority
- DE
- Germany
- Prior art keywords
- section
- ultrasound
- moving fluid
- ultrasound doppler
- channels
- 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 - Fee Related
Links
Classifications
-
- 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
- G01P5/244—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 pulsed waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH200985 | 1985-05-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3650192D1 true DE3650192D1 (de) | 1995-02-16 |
DE3650192T2 DE3650192T2 (de) | 1995-06-22 |
DE3650192T3 DE3650192T3 (de) | 1999-08-05 |
Family
ID=4223773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3650192T Expired - Fee Related DE3650192T3 (de) | 1985-05-09 | 1986-04-30 | Gerät zum Bestimmen von Geschwindigkeiten mittels Ultraschall-Doppler-Echographie im Inneren eines sich bewegenden Fluids |
Country Status (5)
Country | Link |
---|---|
US (1) | US4825422A (de) |
EP (1) | EP0201460B2 (de) |
JP (1) | JPH0715483B2 (de) |
AT (1) | ATE116741T1 (de) |
DE (1) | DE3650192T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4993418A (en) * | 1989-01-26 | 1991-02-19 | Minnesota Mining And Manufacturing Company | Doppler blood flow system and method using low frequency noise signal processing |
FR2646918B1 (fr) * | 1989-05-12 | 1991-10-11 | Labo Electronique Physique | Dispositif de mesure de la vitesse d'ecoulements sanguins par echographie ultrasonore a cadence de mesure amelioree |
US5321362A (en) * | 1992-09-15 | 1994-06-14 | Westinghouse Electric Corp. | Digital filtering of EL CID data |
JP3028723B2 (ja) * | 1993-05-20 | 2000-04-04 | 横河電機株式会社 | 超音波式流体振動流量計 |
CN111323101B (zh) * | 2020-03-24 | 2022-01-04 | 成都千嘉科技有限公司 | 超声波表自适应的自动标定方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3498290A (en) * | 1966-04-22 | 1970-03-03 | Robert F Shaw | Pulsed doppler volumetric blood flowmeter |
FR1539652A (fr) * | 1967-04-07 | 1968-09-20 | Comp Generale Electricite | Débitmètre enregistreur pour vaisseau sanguin |
US3550070A (en) * | 1968-06-28 | 1970-12-22 | Research Corp | Fluid flowmeter |
AT343265B (de) * | 1973-08-16 | 1978-05-26 | Siemens Ag | Gerat fur die messung der geschwindigkeit von insbesondere in leitungen stromenden medien |
US3888238A (en) * | 1973-09-28 | 1975-06-10 | Univ Stanford | Ultrasonic blood vessel imaging system and method |
DE2555134C2 (de) * | 1975-12-08 | 1977-12-29 | Siemens AG, 1000 Berlin und 8000 München | Gerät für Strömungsmessungen nach der Ultraschall-Doppler-Methode |
US4103679A (en) * | 1977-03-22 | 1978-08-01 | Biosonics, Inc. | Method and apparatus for measuring blood flow noninvasively |
US4324258A (en) * | 1980-06-24 | 1982-04-13 | Werner Huebscher | Ultrasonic doppler flowmeters |
FR2562675B1 (fr) * | 1984-04-06 | 1989-10-13 | Cgr Ultrasonic | Procede de levee d'ambiguite de la mesure par effet doppler de la vitesse d'un mobile |
-
1986
- 1986-04-30 DE DE3650192T patent/DE3650192T3/de not_active Expired - Fee Related
- 1986-04-30 EP EP86810195A patent/EP0201460B2/de not_active Expired - Lifetime
- 1986-04-30 AT AT86810195T patent/ATE116741T1/de not_active IP Right Cessation
- 1986-05-09 JP JP61107533A patent/JPH0715483B2/ja not_active Expired - Fee Related
-
1988
- 1988-04-28 US US07/188,077 patent/US4825422A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0201460A1 (de) | 1986-11-12 |
EP0201460B1 (de) | 1995-01-04 |
US4825422A (en) | 1989-04-25 |
DE3650192T2 (de) | 1995-06-22 |
EP0201460B2 (de) | 1998-11-04 |
ATE116741T1 (de) | 1995-01-15 |
JPH0715483B2 (ja) | 1995-02-22 |
DE3650192T3 (de) | 1999-08-05 |
JPS61256260A (ja) | 1986-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |