DE3884905D1 - Verzögerungskoeffizientrechner. - Google Patents

Verzögerungskoeffizientrechner.

Info

Publication number
DE3884905D1
DE3884905D1 DE88310140T DE3884905T DE3884905D1 DE 3884905 D1 DE3884905 D1 DE 3884905D1 DE 88310140 T DE88310140 T DE 88310140T DE 3884905 T DE3884905 T DE 3884905T DE 3884905 D1 DE3884905 D1 DE 3884905D1
Authority
DE
Germany
Prior art keywords
coefficient calculator
delay coefficient
delay
calculator
coefficient
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
DE88310140T
Other languages
English (en)
Other versions
DE3884905T2 (de
Inventor
Thomas J Hunt
David Lipschutz
Bernard J Savord
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.)
Agilent Technologies 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 DE3884905D1 publication Critical patent/DE3884905D1/de
Application granted granted Critical
Publication of DE3884905T2 publication Critical patent/DE3884905T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19883884905 1987-10-29 1988-10-28 Verzögerungskoeffizientrechner. Expired - Fee Related DE3884905T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11481587A 1987-10-29 1987-10-29

Publications (2)

Publication Number Publication Date
DE3884905D1 true DE3884905D1 (de) 1993-11-18
DE3884905T2 DE3884905T2 (de) 1994-05-05

Family

ID=22357594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883884905 Expired - Fee Related DE3884905T2 (de) 1987-10-29 1988-10-28 Verzögerungskoeffizientrechner.

Country Status (3)

Country Link
EP (1) EP0314487B1 (de)
JP (1) JP2654130B2 (de)
DE (1) DE3884905T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0143247B1 (ko) * 1995-02-06 1998-08-17 이민화 실시간 디지탈 수신집속 방법 및 장치
US5653236A (en) * 1995-12-29 1997-08-05 General Electric Company Apparatus for real-time distributed computation of beamforming delays in ultrasound imaging system
ES2277473B1 (es) * 2004-01-30 2008-07-16 Consejo Sup. Investig. Cientificas Composicion coherente de señales por correccion focal progresiva.
JP5016326B2 (ja) * 2007-03-06 2012-09-05 株式会社日立メディコ 超音波診断装置
JP4974781B2 (ja) * 2007-06-26 2012-07-11 株式会社日立メディコ 超音波診断装置
JP6545089B2 (ja) * 2015-11-27 2019-07-17 エイブリック株式会社 超音波診断用送信回路および超音波送信方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1604159A (en) * 1977-06-15 1981-12-02 Svejsecentralen Apparatus for providing an ultrasonic sectional view
US4140022B1 (en) * 1977-12-20 1995-05-16 Hewlett Packard Co Acoustic imaging apparatus
US4180790A (en) * 1977-12-27 1979-12-25 General Electric Company Dynamic array aperture and focus control for ultrasonic imaging systems

Also Published As

Publication number Publication date
JP2654130B2 (ja) 1997-09-17
EP0314487A2 (de) 1989-05-03
EP0314487A3 (en) 1989-10-11
DE3884905T2 (de) 1994-05-05
EP0314487B1 (de) 1993-10-13
JPH01193679A (ja) 1989-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8339 Ceased/non-payment of the annual fee