NO751202L - - Google Patents
Info
- Publication number
- NO751202L NO751202L NO751202A NO751202A NO751202L NO 751202 L NO751202 L NO 751202L NO 751202 A NO751202 A NO 751202A NO 751202 A NO751202 A NO 751202A NO 751202 L NO751202 L NO 751202L
- Authority
- NO
- Norway
- Prior art keywords
- measuring
- devices
- during
- time
- signal
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000012886 linear function Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000035945 sensitivity 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Biochemistry (AREA)
- Geology (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (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)
- Control Of Conveyors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7404978A SE381107B (sv) | 1974-04-11 | 1974-04-11 | Anordning for begrensning av inverkan fran icke onskverda storningar i utrustningar for detektering av nervaron av specialla foremal, som ror sig med kend hastighet utefter en bestemd bana |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO751202L true NO751202L (sv) | 1975-10-14 |
Family
ID=20320817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO751202A NO751202L (sv) | 1974-04-11 | 1975-04-08 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2514135A1 (sv) |
| GB (1) | GB1498847A (sv) |
| NO (1) | NO751202L (sv) |
| SE (1) | SE381107B (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193028A (en) * | 1978-05-05 | 1980-03-11 | Honeywell Inc. | Eddy current instrumentation circuitry for distinguishing flaw signals from spurious noise signals |
| DE3448564C2 (de) * | 1984-10-05 | 1997-04-24 | Truetzschler Gmbh & Co Kg | Vorrichtung zum Ermitteln von Fremdkörpern, wie Metallteilen o. dgl. für Textilfaserballen |
-
1974
- 1974-04-11 SE SE7404978A patent/SE381107B/sv not_active IP Right Cessation
-
1975
- 1975-03-29 DE DE19752514135 patent/DE2514135A1/de not_active Withdrawn
- 1975-04-08 NO NO751202A patent/NO751202L/no unknown
- 1975-04-10 GB GB14734/75A patent/GB1498847A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2514135A1 (de) | 1975-10-23 |
| GB1498847A (en) | 1978-01-25 |
| SE381107B (sv) | 1975-11-24 |
| SE7404978L (sv) | 1975-10-13 |
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