JPH034106B2 - - Google Patents
Info
- Publication number
- JPH034106B2 JPH034106B2 JP59147562A JP14756284A JPH034106B2 JP H034106 B2 JPH034106 B2 JP H034106B2 JP 59147562 A JP59147562 A JP 59147562A JP 14756284 A JP14756284 A JP 14756284A JP H034106 B2 JPH034106 B2 JP H034106B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- signal
- circuit
- frequency
- inspection device
- 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 - Lifetime
Links
- 238000007689 inspection Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- G01N29/34—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
-
- 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
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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 |
|---|---|---|---|
| JP14756284A JPS6126856A (ja) | 1984-07-18 | 1984-07-18 | 金属材料検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14756284A JPS6126856A (ja) | 1984-07-18 | 1984-07-18 | 金属材料検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6126856A JPS6126856A (ja) | 1986-02-06 |
| JPH034106B2 true JPH034106B2 (pt-PT) | 1991-01-22 |
Family
ID=15433146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14756284A Granted JPS6126856A (ja) | 1984-07-18 | 1984-07-18 | 金属材料検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6126856A (pt-PT) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940001423B1 (ko) * | 1990-10-26 | 1994-02-23 | 삼성전자 주식회사 | 기록된 제어신호를 이용한 비디오신호에 있어서 고주파수의 적응 디엠퍼시스와 리엠퍼시스 |
| US5225910A (en) * | 1990-11-20 | 1993-07-06 | Nippon Television Network Corporation | Adaptive operation type low noise television system |
-
1984
- 1984-07-18 JP JP14756284A patent/JPS6126856A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6126856A (ja) | 1986-02-06 |
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