JPS6122907B2 - - Google Patents
Info
- Publication number
- JPS6122907B2 JPS6122907B2 JP54156719A JP15671979A JPS6122907B2 JP S6122907 B2 JPS6122907 B2 JP S6122907B2 JP 54156719 A JP54156719 A JP 54156719A JP 15671979 A JP15671979 A JP 15671979A JP S6122907 B2 JPS6122907 B2 JP S6122907B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signals
- phase difference
- doppler
- flow velocity
- 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
- 239000013598 vector Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 19
- 238000004364 calculation method Methods 0.000 claims description 13
- 238000012935 Averaging Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000691 measurement method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 26
- 101100521334 Mus musculus Prom1 gene Proteins 0.000 description 21
- 238000009826 distribution Methods 0.000 description 20
- 238000005259 measurement Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 11
- 238000002604 ultrasonography Methods 0.000 description 10
- 230000000295 complement effect Effects 0.000 description 7
- 238000002592 echocardiography Methods 0.000 description 7
- 230000003111 delayed effect Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 6
- 230000000737 periodic effect Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- 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
-
- 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
- G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Acoustics & Sound (AREA)
- Radiology & Medical Imaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measuring Volume Flow (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1236178 | 1978-12-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5582066A JPS5582066A (en) | 1980-06-20 |
| JPS6122907B2 true JPS6122907B2 (US07321065-20080122-C00020.png) | 1986-06-03 |
Family
ID=4382309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15671979A Granted JPS5582066A (en) | 1978-12-04 | 1979-12-03 | Flow velocity measuring method and apparatus |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220117412A (ko) * | 2021-02-16 | 2022-08-24 | (주)유에스티 | 스프링 가스켓 제조 장치 |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198989A (en) * | 1980-09-23 | 1993-03-30 | Ads Environmental Services, Inc. | Sewer flow measurement control system |
| JPS5897347A (ja) * | 1981-12-03 | 1983-06-09 | 株式会社東芝 | 超音波診断装置 |
| JPS58188433A (ja) * | 1982-04-28 | 1983-11-02 | アロカ株式会社 | 超音波診断装置 |
| JPS58206738A (ja) * | 1982-05-27 | 1983-12-02 | 横河電機株式会社 | パルス・ドプラ装置 |
| US4516582A (en) * | 1983-05-02 | 1985-05-14 | General Electric Company | NMR blood flow imaging |
| US4567898A (en) * | 1983-08-08 | 1986-02-04 | General Electric Company | Method and means for imaging obstructed blood vessels |
| JPS6048734A (ja) * | 1983-08-25 | 1985-03-16 | 株式会社東芝 | 超音波流体観測装置 |
| FR2551214B1 (fr) * | 1983-08-26 | 1985-11-22 | Centre Nat Rech Scient | Procede et dispositif de mesure de la vitesse locale au sein d'un milieu fluide porteur d'inclusions en suspension |
| JPS60119929A (ja) * | 1983-12-05 | 1985-06-27 | アロカ株式会社 | 超音波診断装置 |
| JPS60122549A (ja) * | 1983-12-08 | 1985-07-01 | 株式会社東芝 | 超音波診断装置 |
| US4780837A (en) * | 1984-06-23 | 1988-10-25 | Aloka Co., Ltd. | Doppler signal frequency converter |
| 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 |
| US4598716A (en) * | 1984-12-03 | 1986-07-08 | Hileman Ronald E | Doppler method and apparatus for measuring fluid motion |
| JPS61246687A (ja) * | 1985-04-24 | 1986-11-01 | Japan Radio Co Ltd | 速度測定装置 |
| US4843564A (en) * | 1987-04-23 | 1989-06-27 | Tsi Incorporated | Apparatus and method for measuring frequency of coherent component of a composite signal |
| JPH0341385A (ja) * | 1988-09-30 | 1991-02-21 | Shigeo Otsuki | 基準推定ドプラ速度測定方法及び装置 |
| US5046500A (en) * | 1988-10-03 | 1991-09-10 | Kontron Instruments Holding N.V. | Doppler flow velocity meter |
| JPH07106202B2 (ja) * | 1988-12-21 | 1995-11-15 | 松下電器産業株式会社 | 超音波ドップラ血流計 |
| JPH02289237A (ja) * | 1989-01-17 | 1990-11-29 | Fujitsu Ltd | 超音波診断装置 |
| NZ243294A (en) * | 1991-06-25 | 1995-04-27 | Commw Scient Ind Res Org | Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects |
| US5482039A (en) * | 1994-03-25 | 1996-01-09 | Vivus, Inc. | Process for diagnosing erectile dysfunction, and related methods of treatment |
| US5550537A (en) * | 1994-05-06 | 1996-08-27 | Endress + Hauser, Inc. | Apparatus and method for measuring mass flow rate of a moving medium |
| EP0814775A1 (en) * | 1995-03-14 | 1998-01-07 | Vivus, Inc. | Method and kit for preventing erectile dysfunction |
| WO1998006333A1 (en) | 1996-08-09 | 1998-02-19 | Urometrics, Inc. | Male impotence diagnostic ultrasound system |
| US6251076B1 (en) | 1997-08-01 | 2001-06-26 | Urometrics Inc. | Male impotence diagnostic ultrasound system |
| US5947901A (en) * | 1997-09-09 | 1999-09-07 | Redano; Richard T. | Method for hemodynamic stimulation and monitoring |
| EP1075099B1 (en) * | 1999-07-28 | 2012-04-18 | Panasonic Corporation | Apparatus for the transmission of data and method for digital radio communication |
| JP2003010183A (ja) * | 2001-07-02 | 2003-01-14 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
| GB0126804D0 (en) * | 2001-11-07 | 2002-01-02 | Univ London | Flow velocity measurement |
| DE102005004331B4 (de) * | 2005-01-31 | 2016-05-04 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Laufzeit eines Ultraschallsignals eines Ultraschallsensors sowie Ultraschallsensor |
| EP4006579A1 (en) * | 2020-11-25 | 2022-06-01 | Supersonic Imagine | Method and system for compensating depth-dependent attenuation in ultrasonic signal data |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49107772A (US07321065-20080122-C00020.png) * | 1973-02-16 | 1974-10-14 | ||
| JPS50114086A (US07321065-20080122-C00020.png) * | 1974-02-20 | 1975-09-06 | ||
| JPS51136443A (en) * | 1975-05-21 | 1976-11-25 | Yokogawa Hewlett Packard Ltd | Device for detection and display of moving objects |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH610157A5 (en) * | 1976-12-22 | 1979-03-30 | Hoffmann La Roche | Filter arrangement |
-
1979
- 1979-11-22 CA CA000340350A patent/CA1135827A/en not_active Expired
- 1979-11-28 US US06/097,978 patent/US4334543A/en not_active Expired - Lifetime
- 1979-12-03 EP EP79104852A patent/EP0011878B1/de not_active Expired
- 1979-12-03 DE DE7979104852T patent/DE2964387D1/de not_active Expired
- 1979-12-03 JP JP15671979A patent/JPS5582066A/ja active Granted
- 1979-12-03 DK DK513979A patent/DK153438C/da not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49107772A (US07321065-20080122-C00020.png) * | 1973-02-16 | 1974-10-14 | ||
| JPS50114086A (US07321065-20080122-C00020.png) * | 1974-02-20 | 1975-09-06 | ||
| JPS51136443A (en) * | 1975-05-21 | 1976-11-25 | Yokogawa Hewlett Packard Ltd | Device for detection and display of moving objects |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220117412A (ko) * | 2021-02-16 | 2022-08-24 | (주)유에스티 | 스프링 가스켓 제조 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4334543A (en) | 1982-06-15 |
| DE2964387D1 (en) | 1983-01-27 |
| EP0011878B1 (de) | 1982-12-22 |
| CA1135827A (en) | 1982-11-16 |
| EP0011878A1 (de) | 1980-06-11 |
| JPS5582066A (en) | 1980-06-20 |
| DK513979A (da) | 1980-06-05 |
| DK153438B (da) | 1988-07-18 |
| DK153438C (da) | 1989-01-02 |
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