JPS6486056A - Ultrasonic wave measuring system - Google Patents
Ultrasonic wave measuring systemInfo
- Publication number
- JPS6486056A JPS6486056A JP62242542A JP24254287A JPS6486056A JP S6486056 A JPS6486056 A JP S6486056A JP 62242542 A JP62242542 A JP 62242542A JP 24254287 A JP24254287 A JP 24254287A JP S6486056 A JPS6486056 A JP S6486056A
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic wave
- signal
- probe
- control section
- focus
- 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.)
- Granted
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
PURPOSE:To achieve a measurement with high resolutions, by extracting a frequency component higher than a peak frequency value from an received echo signal from an ultrasonic probe to be a measuring data. CONSTITUTION:An focus converging type ultrasonic probe 3 of an ultrasonic wave inspection mechanism 21 moves in a directions X and Y with a scanner 4 under the control of an ultrasonic wave inspection mechanism control section 22 to scan an object 2 to be inspected. A pulser receiver 10 of the control section 22 receives a signal from the probe 3 to display a received waveform thereof on an oscilloscope 11 while being sent to an image processor 23 via a gate circuit 12 and an A/D converter 14. A microprocessor 15 of the device 23 is subjected to a Fourier transform of an input signal to extract a frequency component value higher than the peak frequency thereof and then, the intensity of the signal is converted to a brightness to be displayed on a CRT 19 as image. This improves the reduction of focus to enable measurement with high resolutions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62242542A JPH0830699B2 (en) | 1987-09-29 | 1987-09-29 | Ultrasonic measurement method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62242542A JPH0830699B2 (en) | 1987-09-29 | 1987-09-29 | Ultrasonic measurement method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6486056A true JPS6486056A (en) | 1989-03-30 |
JPH0830699B2 JPH0830699B2 (en) | 1996-03-27 |
Family
ID=17090657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62242542A Expired - Fee Related JPH0830699B2 (en) | 1987-09-29 | 1987-09-29 | Ultrasonic measurement method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0830699B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5825115A (en) * | 1995-10-20 | 1998-10-20 | Vdo Adolf Schindling Ag | Electric motor and indicating mechanism, in particular for indicating instruments in motor vehicles |
JP2008002923A (en) * | 2006-06-22 | 2008-01-10 | Nippon Telegr & Teleph Corp <Ntt> | Nondestructive testing method of corrosion degree of rebar in concrete structure |
CN103018331A (en) * | 2011-09-22 | 2013-04-03 | 北京理工大学 | Frequency domain imaging method of ultrasonic scanning microscope |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4552230B2 (en) * | 2005-06-02 | 2010-09-29 | 住友金属工業株式会社 | Ultrasonic flaw detection method and apparatus |
-
1987
- 1987-09-29 JP JP62242542A patent/JPH0830699B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5825115A (en) * | 1995-10-20 | 1998-10-20 | Vdo Adolf Schindling Ag | Electric motor and indicating mechanism, in particular for indicating instruments in motor vehicles |
JP2008002923A (en) * | 2006-06-22 | 2008-01-10 | Nippon Telegr & Teleph Corp <Ntt> | Nondestructive testing method of corrosion degree of rebar in concrete structure |
CN103018331A (en) * | 2011-09-22 | 2013-04-03 | 北京理工大学 | Frequency domain imaging method of ultrasonic scanning microscope |
Also Published As
Publication number | Publication date |
---|---|
JPH0830699B2 (en) | 1996-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |