NO803837L - Fremgangsmaate og apparat for elektrisk motstandsmaaling og -overvaakning. - Google Patents
Fremgangsmaate og apparat for elektrisk motstandsmaaling og -overvaakning.Info
- Publication number
- NO803837L NO803837L NO803837A NO803837A NO803837L NO 803837 L NO803837 L NO 803837L NO 803837 A NO803837 A NO 803837A NO 803837 A NO803837 A NO 803837A NO 803837 L NO803837 L NO 803837L
- Authority
- NO
- Norway
- Prior art keywords
- potential difference
- measuring element
- current
- resistance
- measuring
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000005259 measurement Methods 0.000 title description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000005513 bias potential Methods 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 23
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000003754 machining Methods 0.000 description 4
- 238000004210 cathodic protection Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000005676 thermoelectric effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8015220 | 1980-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO803837L true NO803837L (no) | 1981-11-09 |
Family
ID=10513278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO803837A NO803837L (no) | 1980-05-08 | 1980-12-17 | Fremgangsmaate og apparat for elektrisk motstandsmaaling og -overvaakning. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4398145A (fr) |
| EP (1) | EP0039751A1 (fr) |
| DK (1) | DK56981A (fr) |
| NO (1) | NO803837L (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4587479A (en) * | 1984-07-16 | 1986-05-06 | Rohrback Corporation | Corrosion measurement with multiple compensation |
| DE4034699C1 (en) * | 1990-10-31 | 1991-12-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | Resistance measuring circuit using voltage transducer - has operational amplifier with non-inverted input connected to reference voltage source |
| US5264797A (en) * | 1991-05-15 | 1993-11-23 | United Technologies Corporation | Device for detecting contaminants on conductive surfaces |
| US5371469A (en) * | 1993-02-16 | 1994-12-06 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Constant current loop impedance measuring system that is immune to the effects of parasitic impedances |
| US5294891A (en) * | 1993-03-18 | 1994-03-15 | Powerprint Technologies, Inc. | Method and apparatus for determining the quality of a colloidal suspension |
| US5528133A (en) * | 1994-07-21 | 1996-06-18 | Powerpoint Technologies, Inc. | Method and apparatus for determining the quality of a colloidal suspension |
| JP2792483B2 (ja) * | 1995-10-26 | 1998-09-03 | 日本電気株式会社 | 半導体製造装置 |
| US7034554B2 (en) * | 2003-08-19 | 2006-04-25 | Eaton Corporation | Method and apparatus for measuring impedance across pressure joints in a power distribution system |
| JP3625472B1 (ja) * | 2004-04-05 | 2005-03-02 | 富士通テン株式会社 | 接点腐食防止装置 |
| DE102004018422A1 (de) * | 2004-04-08 | 2005-10-27 | Atmel Germany Gmbh | Betriebs- und Auswerte-Schaltung eines Insekten-Sensors |
| DE102004053021A1 (de) * | 2004-11-03 | 2006-05-04 | Nexans | Verfahren zur Ermittlung der Wanddicke eines Metallrohres |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA614861A (en) * | 1961-02-21 | Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of The National Research Council Of Canada | Direct reading resistance thermometer | |
| US3067386A (en) * | 1958-08-29 | 1962-12-04 | Standard Oil Co | Automatically temperature-compensated corrosion measurements |
| US3056082A (en) * | 1958-12-19 | 1962-09-25 | Evershed Vignoles Ltd | Electrical measuring instruments |
| DE2340158C2 (de) * | 1973-08-08 | 1975-07-10 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Fernmessung von Widerständen |
| US4038975A (en) * | 1974-07-15 | 1977-08-02 | Vyvojova A Provozni Zakladna Vyzkumnych Ustavu | Method of and apparatus for the detector of neoplasms and other morphologic changes in mucous membrane samples |
| DE2507732A1 (de) * | 1975-02-22 | 1976-09-02 | Heinz Dipl Ing Mense | Messanordnung von temperaturabhaengigen widerstaenden zur erfassung von temperaturdifferenzen |
| US4109196A (en) * | 1976-12-03 | 1978-08-22 | Honeywell Inc. | Resistance measuring circuit |
| US4322679A (en) * | 1980-04-07 | 1982-03-30 | Canadian Patents & Dev. Limited | Alternating current comparator bridge for resistance measurement |
-
1980
- 1980-12-08 EP EP80304429A patent/EP0039751A1/fr not_active Withdrawn
- 1980-12-16 US US06/217,150 patent/US4398145A/en not_active Expired - Fee Related
- 1980-12-17 NO NO803837A patent/NO803837L/no unknown
-
1981
- 1981-02-11 DK DK56981A patent/DK56981A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0039751A1 (fr) | 1981-11-18 |
| US4398145A (en) | 1983-08-09 |
| DK56981A (da) | 1981-11-09 |
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