EP0314487A3 - Delay coefficient calculator - Google Patents

Delay coefficient calculator Download PDF

Info

Publication number
EP0314487A3
EP0314487A3 EP88310140A EP88310140A EP0314487A3 EP 0314487 A3 EP0314487 A3 EP 0314487A3 EP 88310140 A EP88310140 A EP 88310140A EP 88310140 A EP88310140 A EP 88310140A EP 0314487 A3 EP0314487 A3 EP 0314487A3
Authority
EP
European Patent Office
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.)
Granted
Application number
EP88310140A
Other versions
EP0314487B1 (en
EP0314487A2 (en
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.)
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 EP0314487A2 publication Critical patent/EP0314487A2/en
Publication of EP0314487A3 publication Critical patent/EP0314487A3/en
Application granted granted Critical
Publication of EP0314487B1 publication Critical patent/EP0314487B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
EP19880310140 1987-10-29 1988-10-28 Delay coefficient calculator Expired - Lifetime EP0314487B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11481587A 1987-10-29 1987-10-29
US114815 1987-10-29

Publications (3)

Publication Number Publication Date
EP0314487A2 EP0314487A2 (en) 1989-05-03
EP0314487A3 true EP0314487A3 (en) 1989-10-11
EP0314487B1 EP0314487B1 (en) 1993-10-13

Family

ID=22357594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880310140 Expired - Lifetime EP0314487B1 (en) 1987-10-29 1988-10-28 Delay coefficient calculator

Country Status (3)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0143247B1 (en) * 1995-02-06 1998-08-17 이민화 Focusing method and apparatus for real time digital receiving
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 (en) * 2004-01-30 2008-07-16 Consejo Sup. Investig. Cientificas COHERENT SIGNAL COMPOSITION BY PROGRESSIVE FOCAL CORRECTION.
JP5016326B2 (en) * 2007-03-06 2012-09-05 株式会社日立メディコ Ultrasonic diagnostic equipment
JP4974781B2 (en) * 2007-06-26 2012-07-11 株式会社日立メディコ Ultrasonic diagnostic equipment
JP6545089B2 (en) * 2015-11-27 2019-07-17 エイブリック株式会社 Ultrasonic diagnostic transmission circuit and ultrasonic transmission method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394803A1 (en) * 1977-06-15 1979-01-12 Medicoteknisk Inst Svejsecen ULTRASONIC SECTIONAL VIEW TRAINING APPARATUS
US4140022A (en) * 1977-12-20 1979-02-20 Hewlett-Packard Company Acoustic imaging apparatus
GB2011075A (en) * 1977-12-27 1979-07-04 Gen Electric Ultrasonic imaging systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394803A1 (en) * 1977-06-15 1979-01-12 Medicoteknisk Inst Svejsecen ULTRASONIC SECTIONAL VIEW TRAINING APPARATUS
US4140022A (en) * 1977-12-20 1979-02-20 Hewlett-Packard Company Acoustic imaging apparatus
US4140022B1 (en) * 1977-12-20 1995-05-16 Hewlett Packard Co Acoustic imaging apparatus
GB2011075A (en) * 1977-12-27 1979-07-04 Gen Electric Ultrasonic imaging systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ACTA ELECTRONICA, vol. 22, no. 2, 1979, pages 119-127; M. AUPHAN: "Les transducteurs à réseau annulaire focalisant en poursuite d'échos" *

Also Published As

Publication number Publication date
JP2654130B2 (en) 1997-09-17
EP0314487B1 (en) 1993-10-13
JPH01193679A (en) 1989-08-03
DE3884905D1 (en) 1993-11-18
DE3884905T2 (en) 1994-05-05
EP0314487A2 (en) 1989-05-03

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