DE3669924D1 - Pulsdopplerstroemungsabbildungsvorrichtung. - Google Patents

Pulsdopplerstroemungsabbildungsvorrichtung.

Info

Publication number
DE3669924D1
DE3669924D1 DE8686111076T DE3669924T DE3669924D1 DE 3669924 D1 DE3669924 D1 DE 3669924D1 DE 8686111076 T DE8686111076 T DE 8686111076T DE 3669924 T DE3669924 T DE 3669924T DE 3669924 D1 DE3669924 D1 DE 3669924D1
Authority
DE
Germany
Prior art keywords
image device
flow image
pulse doppler
doppler flow
pulse
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 - Lifetime
Application number
DE8686111076T
Other languages
English (en)
Inventor
Paul A Magnin
Tomohiro Hasegawa
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
Application granted granted Critical
Publication of DE3669924D1 publication Critical patent/DE3669924D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE8686111076T 1985-08-14 1986-08-11 Pulsdopplerstroemungsabbildungsvorrichtung. Expired - Lifetime DE3669924D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/765,897 US4671294A (en) 1985-08-14 1985-08-14 Pulsed doppler flow mapping apparatus

Publications (1)

Publication Number Publication Date
DE3669924D1 true DE3669924D1 (de) 1990-05-03

Family

ID=25074827

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686111076T Expired - Lifetime DE3669924D1 (de) 1985-08-14 1986-08-11 Pulsdopplerstroemungsabbildungsvorrichtung.

Country Status (4)

Country Link
US (1) US4671294A (de)
EP (1) EP0212527B1 (de)
JP (1) JPH0673523B2 (de)
DE (1) DE3669924D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5162917A (en) 1983-04-02 1992-11-10 Canon Kabushiki Kaisha Image data communication control system with image recorder status data output in synchronism with either internally or externally generated clock pulses
JPS6262268A (ja) * 1985-09-12 1987-03-18 Aloka Co Ltd 運動反射体の超音波加速度測定装置
JPS62152439A (ja) * 1985-12-26 1987-07-07 アロカ株式会社 超音波画像形成装置
CA1262958A (en) * 1985-12-26 1989-11-14 Kouroku Namekawa Ultrasonic doppler diagnostic apparatus
JP2544342B2 (ja) * 1986-01-22 1996-10-16 株式会社日立製作所 超音波ドップラ―診断装置
JPH07100064B2 (ja) * 1986-09-29 1995-11-01 株式会社日立メデイコ 超音波ドプラ流速計
US4790323A (en) * 1986-11-03 1988-12-13 Hewlett-Packard Company Flow imaging detector
JPS63315036A (ja) * 1987-06-19 1988-12-22 Aloka Co Ltd 超音波ドプラ診断装置
US4800891A (en) * 1987-11-13 1989-01-31 Siemens Medical Laboratories, Inc. Doppler velocity processing method and apparatus
JPH03228752A (ja) * 1990-02-05 1991-10-09 Hitachi Ltd 高限界速パルスドプラ計測装置
EP0447597B1 (de) * 1990-03-23 1995-02-22 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Vermeidung von Mehrdeutigkeiten bei einem Pulsdopplergerät
US5269307A (en) * 1992-01-31 1993-12-14 Tetrad Corporation Medical ultrasonic imaging system with dynamic focusing
US20040249284A1 (en) * 2003-02-14 2004-12-09 Dvx, Inc. Vector Doppler utilizing constancy of vector flow direction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188433A (ja) * 1982-04-28 1983-11-02 アロカ株式会社 超音波診断装置
US4542657A (en) * 1983-08-26 1985-09-24 General Electric Company Time domain technique to determine mean frequency

Also Published As

Publication number Publication date
JPH0673523B2 (ja) 1994-09-21
EP0212527B1 (de) 1990-03-28
US4671294A (en) 1987-06-09
JPS6241645A (ja) 1987-02-23
EP0212527A1 (de) 1987-03-04

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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