FR2361647B1 - - Google Patents
Info
- Publication number
- FR2361647B1 FR2361647B1 FR7624335A FR7624335A FR2361647B1 FR 2361647 B1 FR2361647 B1 FR 2361647B1 FR 7624335 A FR7624335 A FR 7624335A FR 7624335 A FR7624335 A FR 7624335A FR 2361647 B1 FR2361647 B1 FR 2361647B1
- 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
- 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
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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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
-
- 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
-
- 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
-
- 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
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2634—Surfaces cylindrical from outside
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7624335A FR2361647A1 (fr) | 1976-08-09 | 1976-08-09 | Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7624335A FR2361647A1 (fr) | 1976-08-09 | 1976-08-09 | Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2361647A1 FR2361647A1 (fr) | 1978-03-10 |
FR2361647B1 true FR2361647B1 (ja) | 1978-12-22 |
Family
ID=9176705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7624335A Granted FR2361647A1 (fr) | 1976-08-09 | 1976-08-09 | Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2361647A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204434A (en) * | 1978-12-18 | 1980-05-27 | The Budd Company | Ultrasonic testing of welds in wheels |
FR2464473A1 (fr) * | 1979-08-28 | 1981-03-06 | Framatome Sa | Dispositif de detection des defauts d'une plaque metallique au moyen de courants de foucault et procede utilisant ce dispositif |
-
1976
- 1976-08-09 FR FR7624335A patent/FR2361647A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2361647A1 (fr) | 1978-03-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |