CA1008552A - Electronically focused acoustic imaging system and method - Google Patents

Electronically focused acoustic imaging system and method

Info

Publication number
CA1008552A
CA1008552A CA203,542A CA203542A CA1008552A CA 1008552 A CA1008552 A CA 1008552A CA 203542 A CA203542 A CA 203542A CA 1008552 A CA1008552 A CA 1008552A
Authority
CA
Canada
Prior art keywords
imaging system
acoustic imaging
focused acoustic
electronically focused
electronically
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
Application number
CA203,542A
Other languages
English (en)
Other versions
CA203542S (en
Inventor
James F. Havlice
Calvin F. Quate
Gordon S. Kino
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.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
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 Leland Stanford Junior University filed Critical Leland Stanford Junior University
Application granted granted Critical
Publication of CA1008552A publication Critical patent/CA1008552A/en
Expired 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
    • G10K11/345—Circuits therefor using energy switching from one active element to another
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • G01H3/125—Amplitude; Power by electric means for representing acoustic field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/809—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Multimedia (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
CA203,542A 1973-07-16 1974-06-27 Electronically focused acoustic imaging system and method Expired CA1008552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US379760A US3875550A (en) 1973-07-16 1973-07-16 Electronically focused acoustic imaging system and method

Publications (1)

Publication Number Publication Date
CA1008552A true CA1008552A (en) 1977-04-12

Family

ID=23498568

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,542A Expired CA1008552A (en) 1973-07-16 1974-06-27 Electronically focused acoustic imaging system and method

Country Status (11)

Country Link
US (1) US3875550A (it)
JP (1) JPS5055211A (it)
BE (1) BE817622A (it)
CA (1) CA1008552A (it)
DE (1) DE2433337A1 (it)
DK (1) DK379074A (it)
FR (1) FR2238202A1 (it)
GB (1) GB1471191A (it)
IT (1) IT1017187B (it)
NL (1) NL7409562A (it)
SE (1) SE7409210L (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2250102B1 (it) * 1973-10-31 1976-10-01 Thomson Csf
US4399387A (en) * 1977-11-21 1983-08-16 Tdk Electronics Co., Ltd. Ultrasonic wave transducer
US4208916A (en) * 1978-09-13 1980-06-24 Picker Corporation Electronic ultrasonic sector scanning apparatus and method
US4244037A (en) * 1979-05-21 1981-01-06 The United States Of America As Represented By The Secretary Of The Navy Two dimensional imaging using surface wave acoustic devices
FR2493528A1 (fr) * 1980-11-04 1982-05-07 Thomson Csf Systeme de detection multivoies a emission diversifiee
US4604697A (en) * 1983-08-05 1986-08-05 Interspec, Inc. Body imaging using vectorial addition of acoustic reflection to achieve effect of scanning beam continuously focused in range
US4663746A (en) * 1984-08-02 1987-05-05 United Technologies Corporation Self-scanned time multiplexer with delay line
US4819215A (en) * 1986-01-31 1989-04-04 Showa Electric Wire & Cable Co., Ltd. Electric signal transfer element
JP3867057B2 (ja) * 2003-02-20 2007-01-10 三井造船株式会社 音響センサアレイ、音響診断装置及び音響診断方法
JPWO2006095411A1 (ja) * 2005-03-08 2008-08-14 富士通株式会社 光空間通信方法、光送信装置、光受信装置、光空間通信システム
CN106979980B (zh) * 2017-04-28 2020-06-09 武汉理工大学 一种多频谱声学相机及识别方法
US11172829B2 (en) * 2020-04-21 2021-11-16 Endra Life Sciences Inc. Thermoacoustic transducer with integrated switch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL237700A (it) * 1958-04-02
US3686572A (en) * 1962-10-30 1972-08-22 Thomson Houston Comp Francaise Pulse-compressor system
US3311870A (en) * 1964-12-30 1967-03-28 Hazeltine Research Inc Solid state proportional commutator
US3774201A (en) * 1970-12-17 1973-11-20 Raytheon Co Time compression signal processor
US3786504A (en) * 1971-03-29 1974-01-15 Raytheon Co Time compression signal processor
US3770949A (en) * 1972-04-21 1973-11-06 Us Navy Acoustic surface wave correlators and convolvers

Also Published As

Publication number Publication date
DE2433337A1 (de) 1975-04-17
IT1017187B (it) 1977-07-20
US3875550A (en) 1975-04-01
NL7409562A (nl) 1975-01-20
DK379074A (it) 1975-02-24
BE817622A (fr) 1974-11-04
GB1471191A (en) 1977-04-21
FR2238202A1 (it) 1975-02-14
JPS5055211A (it) 1975-05-15
AU7079974A (en) 1976-01-08
SE7409210L (sv) 1975-01-17

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