NO830418L - Matekrets for foucaultstroem-sonde. - Google Patents
Matekrets for foucaultstroem-sonde.Info
- Publication number
- NO830418L NO830418L NO830418A NO830418A NO830418L NO 830418 L NO830418 L NO 830418L NO 830418 A NO830418 A NO 830418A NO 830418 A NO830418 A NO 830418A NO 830418 L NO830418 L NO 830418L
- Authority
- NO
- Norway
- Prior art keywords
- amplifier
- input
- circuit
- output
- probe
- Prior art date
Links
- 239000000523 sample Substances 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
Landscapes
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Jellies, Jams, And Syrups (AREA)
- Measuring Leads Or Probes (AREA)
- Materials For Medical Uses (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8202171A FR2521296A1 (fr) | 1982-02-10 | 1982-02-10 | Circuit d'alimentation d'une sonde a courants de foucault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO830418L true NO830418L (no) | 1983-08-11 |
Family
ID=9270860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO830418A NO830418L (no) | 1982-02-10 | 1983-02-09 | Matekrets for foucaultstroem-sonde. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4529936A (de) |
| EP (1) | EP0086158B1 (de) |
| JP (1) | JPS58184541A (de) |
| KR (1) | KR840003841A (de) |
| AT (1) | ATE17607T1 (de) |
| CA (1) | CA1206525A (de) |
| DE (1) | DE3361876D1 (de) |
| DK (1) | DK55283A (de) |
| ES (1) | ES519689A0 (de) |
| FR (1) | FR2521296A1 (de) |
| MX (1) | MX152485A (de) |
| NO (1) | NO830418L (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4855677A (en) * | 1988-03-11 | 1989-08-08 | Westinghouse Electric Corp. | Multiple coil eddy current probe and method of flaw detection |
| FR2735924B1 (fr) * | 1995-06-20 | 1997-09-12 | Intercontrole Sa | Oscillateur numerique et circuit d'alimentation d'une sonde a courants de foucault |
| CN108562641A (zh) * | 2018-04-17 | 2018-09-21 | 西南大学 | 一种基于电涡流传感器的电缆芯材质检测装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683671A (en) * | 1970-09-14 | 1972-08-15 | Univ Kansas State | Measuring system including thermal conductivity detector means |
| US3683681A (en) * | 1971-03-19 | 1972-08-15 | Ruei E Taylor Inc | Method and apparatus for softness testing |
| IL42203A (en) * | 1973-05-04 | 1976-06-30 | Univ Bar Ilan | A bridge circuit for measuring low values of resistance |
| JPS5177378A (en) * | 1974-12-27 | 1976-07-05 | Nippon Kokan Kk | Denjudoshikikenshutsusochi |
| FR2339170A1 (fr) * | 1976-01-22 | 1977-08-19 | Commissariat Energie Atomique | Pont de mesure pour dispositif de controle par courants de foucault |
-
1982
- 1982-02-10 FR FR8202171A patent/FR2521296A1/fr active Granted
-
1983
- 1983-02-07 AT AT83400261T patent/ATE17607T1/de not_active IP Right Cessation
- 1983-02-07 DE DE8383400261T patent/DE3361876D1/de not_active Expired
- 1983-02-07 EP EP83400261A patent/EP0086158B1/de not_active Expired
- 1983-02-09 NO NO830418A patent/NO830418L/no unknown
- 1983-02-09 DK DK55283A patent/DK55283A/da not_active Application Discontinuation
- 1983-02-09 US US06/465,058 patent/US4529936A/en not_active Expired - Fee Related
- 1983-02-10 MX MX196221A patent/MX152485A/es unknown
- 1983-02-10 ES ES519689A patent/ES519689A0/es active Granted
- 1983-02-10 KR KR1019830000539A patent/KR840003841A/ko not_active Application Discontinuation
- 1983-02-10 JP JP58019844A patent/JPS58184541A/ja active Granted
- 1983-02-10 CA CA000421352A patent/CA1206525A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK55283A (da) | 1983-08-11 |
| JPS58184541A (ja) | 1983-10-28 |
| EP0086158B1 (de) | 1986-01-22 |
| EP0086158A1 (de) | 1983-08-17 |
| KR840003841A (ko) | 1984-10-04 |
| FR2521296B1 (de) | 1984-04-27 |
| ATE17607T1 (de) | 1986-02-15 |
| DE3361876D1 (en) | 1986-03-06 |
| CA1206525A (fr) | 1986-06-24 |
| JPH0342428B2 (de) | 1991-06-27 |
| MX152485A (es) | 1985-08-08 |
| US4529936A (en) | 1985-07-16 |
| ES8401256A1 (es) | 1983-12-01 |
| DK55283D0 (da) | 1983-02-09 |
| FR2521296A1 (fr) | 1983-08-12 |
| ES519689A0 (es) | 1983-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6919717B2 (en) | Capacitor coupled voltage transformer and its input voltage parameter determination | |
| US4103225A (en) | System and method for determining capacitance and cable length in the presence of other circuit elements | |
| US3248646A (en) | Location of cable faults by comparing a section of the faulted cable with a part of the section | |
| US20150054492A1 (en) | Isolated probe with digital multimeter or digital voltmeter | |
| Musioł et al. | Automatic bridge for comparison of inductance standards | |
| US20020033694A1 (en) | Method to determine fundamental and harmonic oscillations of a measured electrical quantity | |
| US5532590A (en) | Apparatus for measuring circuit parameters wherein errors due to transmission lines are prevented | |
| US5357210A (en) | Transconductance amplifier circuit | |
| US6803776B2 (en) | Current-comparator-based four-terminal resistance bridge for power frequencies | |
| NO830418L (no) | Matekrets for foucaultstroem-sonde. | |
| US1660405A (en) | High-frequency-measuring system | |
| US3448378A (en) | Impedance measuring instrument having a voltage divider comprising a pair of amplifiers | |
| Petersons | A self-balancing high-voltage capacitance bridge | |
| US2481492A (en) | Intensity, intensity ratio, and phase difference measuring system for geophysical prospecting | |
| RU2366962C2 (ru) | Способ дистанционного измерения импеданса двухполюсников | |
| US3842344A (en) | Bridge circuit for measuring dielectric properties of insulation | |
| Corminboeuf | Calibration of bridge standard for strain gauge bridge amplifier | |
| Tarach et al. | High-accuracy N-port impedance measurement by means of modular digital AC compensators | |
| Nakamura et al. | Calibration of a 10: 1 ratio transformer using Thompson's method | |
| Kusters et al. | A direct current comparator bridge for high resistance measurements | |
| So et al. | A computer-controlled current-comparator-based four-terminal resistance bridge for power frequencies | |
| Slomovitz et al. | Online verification system for phasor measurement units | |
| US4833401A (en) | Electrical measuring instrument for high voltage power measurements | |
| Feige et al. | Evaluations of a detector-limited digital impedance bridge | |
| US3443222A (en) | Means for eliminating the effects of resistances in electrical measuring apparatus |