FR2134909A5 - - Google Patents

Info

Publication number
FR2134909A5
FR2134909A5 FR7114622A FR7114622A FR2134909A5 FR 2134909 A5 FR2134909 A5 FR 2134909A5 FR 7114622 A FR7114622 A FR 7114622A FR 7114622 A FR7114622 A FR 7114622A FR 2134909 A5 FR2134909 A5 FR 2134909A5
Authority
FR
France
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
FR7114622A
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7114622A priority Critical patent/FR2134909A5/fr
Application granted granted Critical
Publication of FR2134909A5 publication Critical patent/FR2134909A5/fr
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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/103—Number of transducers one emitter, two or more receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR7114622A 1971-04-23 1971-04-23 Expired FR2134909A5 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7114622A FR2134909A5 (fr) 1971-04-23 1971-04-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7114622A FR2134909A5 (fr) 1971-04-23 1971-04-23

Publications (1)

Publication Number Publication Date
FR2134909A5 true FR2134909A5 (fr) 1972-12-08

Family

ID=9075866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7114622A Expired FR2134909A5 (fr) 1971-04-23 1971-04-23

Country Status (1)

Country Link
FR (1) FR2134909A5 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412842A1 (fr) * 1977-12-22 1979-07-20 Krautkraemer Gmbh Dispositif pour le controle non destructif par ultrasons de surfaces de liaison
WO2020149932A1 (fr) * 2019-01-16 2020-07-23 Massachusetts Institute Of Technology Spectromètre acoustique
US11278215B2 (en) 2019-08-15 2022-03-22 Massachusetts Institute Of Technology Rhinometric sensing and gas detection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412842A1 (fr) * 1977-12-22 1979-07-20 Krautkraemer Gmbh Dispositif pour le controle non destructif par ultrasons de surfaces de liaison
WO2020149932A1 (fr) * 2019-01-16 2020-07-23 Massachusetts Institute Of Technology Spectromètre acoustique
US11278215B2 (en) 2019-08-15 2022-03-22 Massachusetts Institute Of Technology Rhinometric sensing and gas detection

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Legal Events

Date Code Title Description
ST Notification of lapse