GB1263093A - Improvements in and relating to ultrasonic imaging techniques - Google Patents

Improvements in and relating to ultrasonic imaging techniques

Info

Publication number
GB1263093A
GB1263093A GB02036/69A GB1203669A GB1263093A GB 1263093 A GB1263093 A GB 1263093A GB 02036/69 A GB02036/69 A GB 02036/69A GB 1203669 A GB1203669 A GB 1203669A GB 1263093 A GB1263093 A GB 1263093A
Authority
GB
United Kingdom
Prior art keywords
image
detecting surface
acoustic
transducer
hologram
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
GB02036/69A
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.)
Holotron Corp
Original Assignee
Holotron Corp
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 Holotron Corp filed Critical Holotron Corp
Publication of GB1263093A publication Critical patent/GB1263093A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/06Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0654Imaging
    • G01N29/0663Imaging by acoustic holography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42Details of probe positioning or probe attachment to the patient
    • A61B8/4209Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/221Arrangements for directing or focusing the acoustical waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • G01N29/2437Piezoelectric probes
    • G01N29/2443Quartz crystal probes
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H3/00Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining holograms; Processes or apparatus for obtaining an optical image from them
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/30Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/042Wave modes
    • G01N2291/0427Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Acoustics & Sound (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Multimedia (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

1,263,093. Acoustic holography. HOLOTRON CORP. 6 March, 1969 [6 March, 1968; 20 May, 1968], No. 12036/69. Heading H4D. [Also in Division G2] To reduce the dependence of image resolution on the size of light source 38 (Fig. 3) and on irregularities in ultrasonic hologram detecting surface 31 when reconstructing an optical image of object 34 from an ultrasonic hologram, viewing optics are focused on the detecting surface itself. As shown the optics comprise lens 40 and spatial filter 42 for selecting a first order diffraction beam, and eyepiece 44 (which may be replaced by a photographic or television camera). To ensure that the real and conjugate diffraction images of the object are in or near to the detecting surface plane, the object is placed near the detecting surface or an acoustic image of the object is formed at the surface by acoustic lens 50 (Fig. 8). Resolution of the hologram is improved by making the wavefront of the reference ultrasonic beam from transducer 26 perfectly regular. If transducer 26 is a disc type, the disturbing effects of conical beams 88 (Fig. 7) from its edges are avoided by forming an acoustic image 82<SP>1</SP> of it at the detecting surface, whereby region AB is free from edge effects. Acoustic lens 92 (Fig. 8) forms the image and adjustment of the image size gives control of the energy density at the detecting surface. A regular spherical wavefront can be formed (Fig. 9) from a reference beam (disc or spherical) transducer by means of an acoustic lens 98 and pinhole stop 104.
GB02036/69A 1968-03-06 1969-03-06 Improvements in and relating to ultrasonic imaging techniques Expired GB1263093A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71099168A 1968-03-06 1968-03-06
US73034468A 1968-05-20 1968-05-20
US73026068A 1968-05-20 1968-05-20

Publications (1)

Publication Number Publication Date
GB1263093A true GB1263093A (en) 1972-02-09

Family

ID=27418882

Family Applications (2)

Application Number Title Priority Date Filing Date
GB02036/69A Expired GB1263093A (en) 1968-03-06 1969-03-06 Improvements in and relating to ultrasonic imaging techniques
GB02037/69A Expired GB1263371A (en) 1968-03-06 1969-03-06 Improved ultrasonic imaging techniques and apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB02037/69A Expired GB1263371A (en) 1968-03-06 1969-03-06 Improved ultrasonic imaging techniques and apparatus

Country Status (7)

Country Link
JP (1) JPS519297B1 (en)
BE (1) BE729462A (en)
DE (5) DE1911234A1 (en)
FR (1) FR2003363A1 (en)
GB (2) GB1263093A (en)
NL (1) NL166393C (en)
SE (3) SE390768B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211399A (en) * 2018-10-17 2019-01-15 西安交通大学 A kind of conical surface sound source statistics near field acoustic holography method
CN109764956A (en) * 2018-12-27 2019-05-17 西安交通大学 A kind of near field acoustic holography method based on Combinatorial Optimization regularization method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337863C2 (en) * 1973-07-25 1983-01-05 Stanford Research Institute, 94025 Menlo Park, Calif. Acoustic lens assembly
FR2329972A1 (en) * 1974-03-15 1977-05-27 Nat Res Dev Metrological detection photo-electric system - uses optical assembly with three diffraction gratings with specified geometrical inter-relationships
US3973126A (en) * 1975-07-31 1976-08-03 General Electric Company Mammography
JPS5574226U (en) * 1978-11-13 1980-05-22
FI65677C (en) * 1981-02-09 1984-06-11 Esko Alasaarela HOLOGRAFISK B-AVBILDNINGSMETOD
US4943716A (en) * 1988-01-22 1990-07-24 Mitutoyo Corporation Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations
GB9107852D0 (en) * 1991-04-12 1991-05-29 Patterson Laurence H Anti-cancer compounds
WO2000016695A1 (en) * 1998-09-23 2000-03-30 Kari Richter Device for examining a human chest
JP7253469B2 (en) * 2019-07-26 2023-04-06 富士フイルムヘルスケア株式会社 Ultrasonic CT apparatus, container for ultrasonic CT apparatus, and mammography method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB841025A (en) * 1957-06-24 1960-07-13 Charles Norman Smyth Improvements in or relating to ultrasonic viewing devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211399A (en) * 2018-10-17 2019-01-15 西安交通大学 A kind of conical surface sound source statistics near field acoustic holography method
CN109211399B (en) * 2018-10-17 2020-07-28 西安交通大学 Conical sound source statistic near-field acoustic holography method
CN109764956A (en) * 2018-12-27 2019-05-17 西安交通大学 A kind of near field acoustic holography method based on Combinatorial Optimization regularization method

Also Published As

Publication number Publication date
DE1942425A1 (en) 1970-03-26
JPS519297B1 (en) 1976-03-25
DE1942149A1 (en) 1970-05-14
BE729462A (en) 1969-08-18
NL166393C (en) 1981-08-17
DE1911231A1 (en) 1970-02-12
SE390768B (en) 1977-01-17
DE1911234A1 (en) 1969-10-02
NL6903393A (en) 1969-09-09
DE1942195C3 (en) 1978-08-03
NL166393B (en) 1981-03-16
SE383933B (en) 1976-04-05
DE1942195A1 (en) 1970-06-04
GB1263371A (en) 1972-02-09
SE373956B (en) 1975-02-17
FR2003363A1 (en) 1969-11-07
DE1942195B2 (en) 1977-12-01

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