DE2821574C2 - - Google Patents

Info

Publication number
DE2821574C2
DE2821574C2 DE19782821574 DE2821574A DE2821574C2 DE 2821574 C2 DE2821574 C2 DE 2821574C2 DE 19782821574 DE19782821574 DE 19782821574 DE 2821574 A DE2821574 A DE 2821574A DE 2821574 C2 DE2821574 C2 DE 2821574C2
Authority
DE
Germany
Prior art keywords
phase
signal
shifted
electrical
sound radiation
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
DE19782821574
Other languages
German (de)
English (en)
Other versions
DE2821574A1 (de
Inventor
Simon David Bennett
Eric Albert London Gb Ash
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of DE2821574A1 publication Critical patent/DE2821574A1/de
Application granted granted Critical
Publication of DE2821574C2 publication Critical patent/DE2821574C2/de
Granted 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
    • G01N29/0654—Imaging
    • G01N29/0663—Imaging by acoustic holography
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE19782821574 1977-05-17 1978-05-17 Verfahren und anordnung zur ermittelung von veraenderungen in bzw. bei einem gegenstand Granted DE2821574A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2071277A GB1598191A (en) 1977-05-17 1977-05-17 Acoustic image recorders

Publications (2)

Publication Number Publication Date
DE2821574A1 DE2821574A1 (de) 1978-12-21
DE2821574C2 true DE2821574C2 (en, 2012) 1987-06-19

Family

ID=10150425

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782821574 Granted DE2821574A1 (de) 1977-05-17 1978-05-17 Verfahren und anordnung zur ermittelung von veraenderungen in bzw. bei einem gegenstand

Country Status (3)

Country Link
JP (1) JPS541681A (en, 2012)
DE (1) DE2821574A1 (en, 2012)
GB (1) GB1598191A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503708A (en) * 1983-02-07 1985-03-12 Board Of Trustees Of The Leland Stanford Junior University Reflection acoustic microscope for precision differential phase imaging
FR2660436A1 (fr) * 1990-03-30 1991-10-04 Bertin & Cie Microscope acoustique pour analyser un objet en surface ou en profondeur.
WO2024024309A1 (ja) * 2022-07-28 2024-02-01 コニカミノルタ株式会社 非破壊検査装置、非破壊検査方法、およびプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587298A (en) * 1969-01-02 1971-06-28 Univ Northwestern Ultrasonic image color display system
AT346109B (de) * 1973-05-25 1978-10-25 Kretztechnik Gmbh Verfahren zum speichern und auswerten von aus untersuchungen bzw. untersuchungsschritten mit ultraschall erhaltenen informationen
US4012950A (en) * 1974-12-12 1977-03-22 The Board Of Trustees Of The Leland Stanford University Method of and apparatus for acoustic imaging
US3986160A (en) * 1975-04-10 1976-10-12 Automation Industries, Inc. Visualization by ultrasonic detection

Also Published As

Publication number Publication date
JPS541681A (en) 1979-01-08
GB1598191A (en) 1981-09-16
JPS6310387B2 (en, 2012) 1988-03-07
DE2821574A1 (de) 1978-12-21

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee