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DK142979A - Fremgangsmaade ved og apparat til holografisk lydskandering - Google Patents

Fremgangsmaade ved og apparat til holografisk lydskandering

Info

Publication number
DK142979A
DK142979A DK142979A DK142979A DK142979A DK 142979 A DK142979 A DK 142979A DK 142979 A DK142979 A DK 142979A DK 142979 A DK142979 A DK 142979A DK 142979 A DK142979 A DK 142979A
Authority
DK
Denmark
Prior art keywords
scanning procedure
holographic sound
sound scanning
holographic
procedure
Prior art date
Application number
DK142979A
Other languages
English (en)
Inventor
H D Collins
Original Assignee
Int Submarine Services
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 Int Submarine Services filed Critical Int Submarine Services
Publication of DK142979A publication Critical patent/DK142979A/da

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
    • G10K11/345—Circuits therefor using energy switching from one active element to another
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8965—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques
    • G01S15/897—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques using application of holographic techniques
    • 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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DK142979A 1978-05-12 1979-04-06 Fremgangsmaade ved og apparat til holografisk lydskandering DK142979A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/905,234 US4165647A (en) 1978-05-12 1978-05-12 Scan acoustical holographic apparatus and method

Publications (1)

Publication Number Publication Date
DK142979A true DK142979A (da) 1979-11-13

Family

ID=25420471

Family Applications (1)

Application Number Title Priority Date Filing Date
DK142979A DK142979A (da) 1978-05-12 1979-04-06 Fremgangsmaade ved og apparat til holografisk lydskandering

Country Status (4)

Country Link
US (1) US4165647A (da)
EP (1) EP0005593A1 (da)
DK (1) DK142979A (da)
NO (1) NO791115L (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5670758A (en) * 1979-11-16 1981-06-12 Matsushita Electric Ind Co Ltd Ultrasonic diagnosis apparatus
US4387597A (en) * 1980-12-08 1983-06-14 Advanced Technology Laboratories, Inc. Beamforming apparatus and method for ultrasonic imaging systems
FR2509486A1 (fr) * 1981-07-08 1983-01-14 Centre Nat Rech Scient Sonde d'echographie ultra-sonore et dispositif d'echographie a balayage sectoriel
FR2530342A1 (fr) * 1982-07-13 1984-01-20 Cogema Procede et dispositif d'echographie ultrasonore
US4653000A (en) * 1983-09-06 1987-03-24 Kabushiki Kaisha Toshiba Image signal-processing system based on synthetic aperture technique
US4699009A (en) * 1985-11-05 1987-10-13 Acuson Dynamically focused linear phased array acoustic imaging system
US10025272B2 (en) * 2013-01-25 2018-07-17 General Electric Company Ultrasonic holography imaging system and method
US9639056B2 (en) * 2013-09-17 2017-05-02 General Electric Company Acoustical holography with multi-level square wave excitation signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017490A1 (de) * 1970-04-11 1971-11-04 Krupp Gmbh Vorrichtung zur holographischen Darstellung
US3792423A (en) * 1972-05-24 1974-02-12 Atomic Energy Commission Isometric imaging system
JPS565536B2 (da) * 1973-05-21 1981-02-05
DE2345155B2 (de) * 1973-09-07 1975-09-25 Krautkraemer Gmbh, 5000 Koeln Gruppenweise umgetastete, aus zellenförmig und/oder hierzu senkrechten, streifenförmig angeordneten einzelnen Schwingerelementen bestehendes Ultraschall-Prüfkopfsystem zur zerstörungsfreien Werkstoffprüfung
US3899767A (en) * 1973-11-15 1975-08-12 Westinghouse Electric Corp Imaging system
FR2255612A1 (en) * 1973-12-19 1975-07-18 Pourcelot Leandre Ultrasonic display system for human body organs - sequentially activates two groups of piezoelectric elements
US3950723A (en) * 1974-02-21 1976-04-13 Westinghouse Electric Corporation Sonar apparatus
FR2292978A1 (fr) * 1974-11-28 1976-06-25 Anvar Perfectionnements aux dispositifs de sondage par ultra-sons
JPS5540829B2 (da) * 1975-01-13 1980-10-20
US4021771A (en) * 1975-07-07 1977-05-03 Holosonics, Inc. Scan acoustical holographic imaging apparatus
CA1093674A (en) * 1975-10-13 1981-01-13 George Kossoff Ultrasonic beam scanning
FR2334953A1 (fr) * 1975-12-11 1977-07-08 Labo Electronique Physique Systeme d'analyse par ultrasons et son application a l'echographie

Also Published As

Publication number Publication date
EP0005593A1 (en) 1979-11-28
NO791115L (no) 1979-11-13
US4165647A (en) 1979-08-28

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