GB1430021A - Ultrasonic examination of objects - Google Patents

Ultrasonic examination of objects

Info

Publication number
GB1430021A
GB1430021A GB2667273A GB2667273A GB1430021A GB 1430021 A GB1430021 A GB 1430021A GB 2667273 A GB2667273 A GB 2667273A GB 2667273 A GB2667273 A GB 2667273A GB 1430021 A GB1430021 A GB 1430021A
Authority
GB
United Kingdom
Prior art keywords
transducers
echoes
echo
echo signals
ultrasonic
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
GB2667273A
Other languages
English (en)
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.)
AUSTRIALIA DEPARTMENT OF HEALT
Original Assignee
AUSTRIALIA DEPARTMENT OF HEALT
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 AUSTRIALIA DEPARTMENT OF HEALT filed Critical AUSTRIALIA DEPARTMENT OF HEALT
Publication of GB1430021A publication Critical patent/GB1430021A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01N29/0609—Display arrangements, e.g. colour displays
    • 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
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/221—Arrangements for directing or focusing the acoustical waves
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • 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
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB2667273A 1972-06-08 1973-06-05 Ultrasonic examination of objects Expired GB1430021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA926172 1972-06-08

Publications (1)

Publication Number Publication Date
GB1430021A true GB1430021A (en) 1976-03-31

Family

ID=3765109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2667273A Expired GB1430021A (en) 1972-06-08 1973-06-05 Ultrasonic examination of objects

Country Status (6)

Country Link
JP (1) JPS4963288A (de)
AT (1) AT368863B (de)
AU (1) AU483477B2 (de)
CA (1) CA994902A (de)
DE (1) DE2329386A1 (de)
GB (1) GB1430021A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1201197A (en) * 1975-09-15 1986-02-25 Commonwealth Of Australia (The) Variable focus transducer
JPS5289956A (en) * 1976-01-22 1977-07-28 Toshiba Corp Ultrasonic transducer
GB1554349A (en) * 1976-11-01 1979-10-17 Stanford Res Inst Int Variable focus ultrasonic transducer means
DE3003153C2 (de) * 1980-01-30 1982-04-29 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Vorrichtung zur fernbedienten Ortung von Oberflächen
JPS61247439A (ja) * 1985-04-26 1986-11-04 松下電器産業株式会社 扇形機械走査式超音波探触子

Also Published As

Publication number Publication date
AU483477B2 (en) 1977-05-18
DE2329386A1 (de) 1973-12-20
ATA507673A (de) 1982-04-15
JPS4963288A (de) 1974-06-19
AT368863B (de) 1982-11-25
CA994902A (en) 1976-08-10
AU5655273A (en) 1974-12-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920605