DE3786525T2 - Gerät zum Sichtbarmachen von Strömung. - Google Patents

Gerät zum Sichtbarmachen von Strömung.

Info

Publication number
DE3786525T2
DE3786525T2 DE87309701T DE3786525T DE3786525T2 DE 3786525 T2 DE3786525 T2 DE 3786525T2 DE 87309701 T DE87309701 T DE 87309701T DE 3786525 T DE3786525 T DE 3786525T DE 3786525 T2 DE3786525 T2 DE 3786525T2
Authority
DE
Germany
Prior art keywords
making flow
flow visible
visible
making
flow
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
Application number
DE87309701T
Other languages
English (en)
Other versions
DE3786525D1 (de
Inventor
Karl Thiele
David Lipschutz
Paul A Magnin
Steven C Leavitt
Steven U Lincoln
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
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 by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE3786525D1 publication Critical patent/DE3786525D1/de
Application granted granted Critical
Publication of DE3786525T2 publication Critical patent/DE3786525T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE87309701T 1986-11-03 1987-11-03 Gerät zum Sichtbarmachen von Strömung. Expired - Fee Related DE3786525T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/926,078 US4790323A (en) 1986-11-03 1986-11-03 Flow imaging detector

Publications (2)

Publication Number Publication Date
DE3786525D1 DE3786525D1 (de) 1993-08-19
DE3786525T2 true DE3786525T2 (de) 1994-02-17

Family

ID=25452719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87309701T Expired - Fee Related DE3786525T2 (de) 1986-11-03 1987-11-03 Gerät zum Sichtbarmachen von Strömung.

Country Status (4)

Country Link
US (1) US4790323A (de)
EP (1) EP0266998B1 (de)
JP (1) JP2637439B2 (de)
DE (1) DE3786525T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
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
US5020374A (en) * 1989-11-17 1991-06-04 Ads Environmental Services, Inc. Velocity measurement system
US4850364A (en) * 1987-11-12 1989-07-25 Hewlett-Packard Company Medical ultrasound imaging system with velocity-dependent rejection filtering
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
US5318595A (en) * 1989-09-25 1994-06-07 Ferek Petric Bozidar Pacing method and system for blood flow velocity measurement and regulation of heart stimulating signals based on blood flow velocity
US5226328A (en) * 1989-11-17 1993-07-13 Ads Environmental Services, Inc. Velocity measurement system
US5188112A (en) * 1989-11-27 1993-02-23 Acoustic Imaging Technologies Corporation Ultrasonic Doppler imaging systems with improved flow sensitivity
US5058594A (en) * 1990-08-29 1991-10-22 Quantum Medical Systems, Incorporated Direct velocity estimator for ultrasound blood flow imaging
EP0474957A3 (en) * 1990-09-11 1992-06-24 Bozidar Ferek-Petric Ultrasonic doppler synchronized cardiac electrotherapy device
US5197477A (en) * 1990-10-12 1993-03-30 Advanced Technology Laboratories, Inc. Ultrasonic doppler flow measurement system with tissue motion discrimination
US5271408A (en) * 1991-03-25 1993-12-21 Siemens Elema Ab Hydrodynamic system for blood flow measurement
US5371686A (en) * 1992-03-30 1994-12-06 Isco, Inc. Ultrasonic fluid velocity measuring system
US5386830A (en) * 1993-10-25 1995-02-07 Advanced Technology Laboratories, Inc. Ultrasonic pulsed doppler flow measurement system with two dimensional autocorrelation processing
HRP940025A2 (en) * 1994-01-14 1996-06-30 Branko Breyer A blood flow velocity measurement system perpendicular to a single probing beam
US5462059A (en) * 1994-05-25 1995-10-31 The Regents Of The University Of California Method for assessing and displaying vascular architecture using ultrasound
US5390677A (en) * 1994-05-31 1995-02-21 The Regents Of The University Of California Method for assessing and displaying the true three dimensional magnitude of blood velocity
US5421211A (en) * 1994-10-06 1995-06-06 Marsh - Mcbirney, Inc. Liquid flowmeter including doppler signal processing, and method
US5606972A (en) * 1995-08-10 1997-03-04 Advanced Technology Laboratories, Inc. Ultrasonic doppler measurement of blood flow velocities by array transducers
US5669386A (en) * 1996-07-31 1997-09-23 Hewlett-Packard Company Ultrasonic flow measurement system employing cross-correlation of baseband reflection data
US5808195A (en) * 1997-05-21 1998-09-15 Ads Environmental Services Arrangement for determining liquid velocity versus depth utilizing historical data
GB2355529B (en) 1999-07-28 2004-01-28 Furuno Electric Co Signal processing method and apparatus,and sonar systems
US6704590B2 (en) * 2002-04-05 2004-03-09 Cardiac Pacemakers, Inc. Doppler guiding catheter using sensed blood turbulence levels
US8014851B2 (en) * 2006-09-26 2011-09-06 Cameron Health, Inc. Signal analysis in implantable cardiac treatment devices
WO2021217658A1 (zh) * 2020-04-30 2021-11-04 深圳迈瑞生物医疗电子股份有限公司 血流向量速度、血流频谱的处理方法及超声设备
CN113447671B (zh) * 2021-07-15 2022-09-23 中煤科工集团重庆研究院有限公司 基于高低频超声波的巷道断面风速检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3484586D1 (de) * 1983-08-24 1991-06-20 Cgr Ultrasonic Verfahren zum messen von stroemungsparametern eines fliessfaehigen mediums und vorrichtung zur durchfuehrung dieses verfahrens.
US4542657A (en) * 1983-08-26 1985-09-24 General Electric Company Time domain technique to determine mean frequency
US4612937A (en) * 1983-11-10 1986-09-23 Siemens Medical Laboratories, Inc. Ultrasound diagnostic apparatus
JPS60119929A (ja) * 1983-12-05 1985-06-27 アロカ株式会社 超音波診断装置
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
NL8402588A (nl) * 1984-08-24 1986-03-17 Stichting Speurwerk Baggertech Inrichting voor het bepalen van de stroomsnelheid in een stromend medium, onder gebruikmaking van het akoestische doppler-effect.
US4671294A (en) * 1985-08-14 1987-06-09 Hewlett-Packard Company Pulsed doppler flow mapping apparatus

Also Published As

Publication number Publication date
DE3786525D1 (de) 1993-08-19
EP0266998A2 (de) 1988-05-11
EP0266998B1 (de) 1993-07-14
EP0266998A3 (en) 1989-07-12
US4790323A (en) 1988-12-13
JPS63238855A (ja) 1988-10-04
JP2637439B2 (ja) 1997-08-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee