DE69106209D1 - Aufsichtsvorrichtung. - Google Patents
Aufsichtsvorrichtung.Info
- Publication number
- DE69106209D1 DE69106209D1 DE69106209T DE69106209T DE69106209D1 DE 69106209 D1 DE69106209 D1 DE 69106209D1 DE 69106209 T DE69106209 T DE 69106209T DE 69106209 T DE69106209 T DE 69106209T DE 69106209 D1 DE69106209 D1 DE 69106209D1
- Authority
- DE
- Germany
- Prior art keywords
- supervisory device
- supervisory
- 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
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
- G01N29/36—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
- 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
- G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
-
- 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
- G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
-
- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/50—Processing the detected response signal, e.g. electronic circuits specially adapted therefor using auto-correlation techniques or cross-correlation techniques
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2109988A JP2641785B2 (ja) | 1990-04-27 | 1990-04-27 | 測定装置 |
JP2109989A JP2641786B2 (ja) | 1990-04-27 | 1990-04-27 | 測定装置 |
JP2109990A JPH0781994B2 (ja) | 1990-04-27 | 1990-04-27 | 測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69106209D1 true DE69106209D1 (de) | 1995-02-09 |
DE69106209T2 DE69106209T2 (de) | 1995-08-31 |
Family
ID=27311613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69106209T Expired - Lifetime DE69106209T2 (de) | 1990-04-27 | 1991-04-22 | Aufsichtsvorrichtung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5272923A (de) |
EP (1) | EP0456028B1 (de) |
DE (1) | DE69106209T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878710A1 (de) | 1997-05-15 | 1998-11-18 | Hoogovens Aluminium Walzprodukte GmbH | Restspannungsmessverfahren |
US5984869A (en) * | 1998-04-20 | 1999-11-16 | General Electric Company | Method and apparatus for ultrasonic beamforming using golay-coded excitation |
US7278289B2 (en) * | 2003-04-28 | 2007-10-09 | Sonora Medical Systems, Inc. | Apparatus and methods for testing acoustic systems |
US7412012B2 (en) * | 2003-07-08 | 2008-08-12 | Nokia Corporation | Pattern sequence synchronization |
WO2011007685A1 (ja) * | 2009-07-14 | 2011-01-20 | 日本電気株式会社 | 位置検出システム、送信装置、受信装置及び位置検出方法 |
CN103424471B (zh) * | 2013-08-14 | 2016-08-10 | 哈尔滨工业大学深圳研究生院 | 一种基于磁致伸缩导波的检测装置及检测方法 |
CN105628795B (zh) * | 2015-12-24 | 2018-10-02 | 哈尔滨工业大学 | 利用频率相位复合编码激励信号进行焊缝超声检测的方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2907400A (en) * | 1954-05-12 | 1959-10-06 | Geotechnical Corp | Correlation of seismic signals |
US4198704A (en) * | 1959-03-27 | 1980-04-15 | The United States Of America As Represented By The Secretary Of The Navy | Passive underwater target detection and locating system |
US4245326A (en) * | 1967-08-29 | 1981-01-13 | International Telephone And Telegraph Corporation | Impulse autocorrelation function code generator |
US3763465A (en) * | 1971-03-09 | 1973-10-02 | Us Army | Bearing deviation indicator |
US3968471A (en) * | 1972-01-17 | 1976-07-06 | Western Geophysical Company Of America | Method for suppressing side lobes in correlation processes |
FR2374651A1 (fr) * | 1976-12-16 | 1978-07-13 | Labo Cent Telecommunicat | Dispositif d'elimination des lobes secondaires d'auto-correlation d'un signal continu periodique code en phase |
US4167879A (en) * | 1978-06-06 | 1979-09-18 | Panametrics, Inc. | Method and apparatus for examining a solid |
US4224679A (en) * | 1978-10-16 | 1980-09-23 | Rca Corporation | Signal correlation means |
US4442715A (en) * | 1980-10-23 | 1984-04-17 | General Electric Company | Variable frequency ultrasonic system |
US4471785A (en) * | 1982-09-29 | 1984-09-18 | Sri International | Ultrasonic imaging system with correction for velocity inhomogeneity and multipath interference using an ultrasonic imaging array |
US4542653A (en) * | 1983-11-21 | 1985-09-24 | Advanced Technology Laboratories, Inc. | Apparatus and method for beamforming in an ultrasonic transducer array |
FR2637400B1 (fr) * | 1988-09-30 | 1990-11-09 | Labo Electronique Physique | Dispositif de traitement ameliore d'un signal echographique |
US5203823A (en) * | 1989-02-28 | 1993-04-20 | Mitsubishi Denki Kabushiki Kaisha | Detecting apparatus |
US5060515A (en) * | 1989-03-01 | 1991-10-29 | Kabushiki Kaisha Toshiba | Image signal processing circuit for ultrasonic imaging apparatus |
JPH0781995B2 (ja) * | 1989-10-25 | 1995-09-06 | 三菱電機株式会社 | 超音波探触子および超音波探傷装置 |
US5043951A (en) * | 1990-08-01 | 1991-08-27 | Westinghouse Electric Corp. | Apparatus for reduction of side lobes in a beam pattern of an array |
-
1991
- 1991-04-22 DE DE69106209T patent/DE69106209T2/de not_active Expired - Lifetime
- 1991-04-22 EP EP91106469A patent/EP0456028B1/de not_active Expired - Lifetime
- 1991-04-23 US US07/691,063 patent/US5272923A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0456028B1 (de) | 1994-12-28 |
US5272923A (en) | 1993-12-28 |
DE69106209T2 (de) | 1995-08-31 |
EP0456028A1 (de) | 1991-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |