FR2295633B1 - - Google Patents
Info
- Publication number
- FR2295633B1 FR2295633B1 FR7441311A FR7441311A FR2295633B1 FR 2295633 B1 FR2295633 B1 FR 2295633B1 FR 7441311 A FR7441311 A FR 7441311A FR 7441311 A FR7441311 A FR 7441311A FR 2295633 B1 FR2295633 B1 FR 2295633B1
- 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
Links
Classifications
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- 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
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- 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
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- 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
- G01N29/075—Analysing solids by measuring propagation velocity or propagation time of acoustic waves by measuring or comparing phase angle
-
- 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
- G01N29/11—Analysing solids by measuring attenuation 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
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/346—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with amplitude characteristics, e.g. modulated signal
-
- 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
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
-
- 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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
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- 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
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/012—Phase angle
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7441311A FR2295633A1 (fr) | 1974-12-16 | 1974-12-16 | Dispositif operateur d'ondes acoustiques transversales |
US05/640,321 US4138894A (en) | 1974-12-16 | 1975-12-12 | Transversal acoustic wave operating device |
GB51467/75A GB1529474A (en) | 1974-12-16 | 1975-12-16 | Transverse acoustic wave measuring device |
DE19752556588 DE2556588A1 (de) | 1974-12-16 | 1975-12-16 | Mit transversalen schallwellen arbeitende vorrichtung |
JP50150479A JPS5842426B2 (ja) | 1974-12-16 | 1975-12-16 | 横音波処理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7441311A FR2295633A1 (fr) | 1974-12-16 | 1974-12-16 | Dispositif operateur d'ondes acoustiques transversales |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2295633A1 FR2295633A1 (fr) | 1976-07-16 |
FR2295633B1 true FR2295633B1 (de) | 1979-05-11 |
Family
ID=9146193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7441311A Granted FR2295633A1 (fr) | 1974-12-16 | 1974-12-16 | Dispositif operateur d'ondes acoustiques transversales |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2295633A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2474696A1 (fr) * | 1980-01-29 | 1981-07-31 | Thomson Csf | Polarimetre acoustique |
FR2524645A1 (fr) * | 1982-04-06 | 1983-10-07 | Thomson Csf | Polarimetre acoustique |
FR2582805B1 (fr) * | 1985-05-31 | 1990-06-22 | France Etat Armement | Procede et dispositif de mesure des parametres de birefringence acoustique d'un materiau |
FR2599508B1 (fr) * | 1986-06-03 | 1989-08-04 | Geophysique Cie Gle | Procede de mesure de l'anisotropie de propagation ou de reflexion d'une onde transverse, notamment procede de prospection geophysique par mesure de l'anisotropie de propagation ou de reflexion des ondes de cisaillement dans les roches |
FR2617603B1 (fr) * | 1987-07-02 | 1989-12-01 | France Etat Armement | Procede et dispositif de mesure des parametres de birefringence acoustique d'un materiau par mesure de temps |
-
1974
- 1974-12-16 FR FR7441311A patent/FR2295633A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2295633A1 (fr) | 1976-07-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
TP | Transmission of property | ||
ST | Notification of lapse |