GB2054867B - Eddy-current distance measuring apparatus - Google Patents
Eddy-current distance measuring apparatusInfo
- Publication number
- GB2054867B GB2054867B GB8022329A GB8022329A GB2054867B GB 2054867 B GB2054867 B GB 2054867B GB 8022329 A GB8022329 A GB 8022329A GB 8022329 A GB8022329 A GB 8022329A GB 2054867 B GB2054867 B GB 2054867B
- Authority
- GB
- United Kingdom
- Prior art keywords
- eddy
- measuring apparatus
- distance measuring
- current distance
- current
- 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
Links
Classifications
-
- 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
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8747279A JPS5612502A (en) | 1979-07-12 | 1979-07-12 | Feedback amplification type vortex flow range finder |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2054867A GB2054867A (en) | 1981-02-18 |
GB2054867B true GB2054867B (en) | 1983-06-29 |
Family
ID=13915846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8022329A Expired GB2054867B (en) | 1979-07-12 | 1980-07-08 | Eddy-current distance measuring apparatus |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5612502A (en) |
DE (1) | DE3026389C2 (en) |
FR (1) | FR2461233A1 (en) |
GB (1) | GB2054867B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3409448A1 (en) * | 1983-03-16 | 1984-09-20 | Thyssen Industrie Ag, 4300 Essen | Method and device for determining the distance of a magnetic probe from a conductive reaction rail |
GB2136580B (en) * | 1983-03-16 | 1987-11-18 | Thyssen Industrie | Method and apparatus for determining the distance from a conductor |
JPS6093316A (en) * | 1983-10-27 | 1985-05-25 | Nippon Kokan Kk <Nkk> | Eddy current type hot water level measuring method |
DE3420330C1 (en) * | 1984-05-30 | 1985-12-05 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Inductive sensor and method for non-contact, three-dimensional position detection of holes, bores, bolts, rivets etc. in or on metal parts by means of such a sensor |
JPS6114501A (en) * | 1984-06-30 | 1986-01-22 | Nippon Kokan Kk <Nkk> | Eddy current type range finder |
IT1209599B (en) * | 1984-11-15 | 1989-08-30 | Siette Spa | LEVEL DETECTION SYSTEM FOR VEHICLES. |
FR2575820B1 (en) * | 1985-01-10 | 1992-07-24 | Equip Construction Electriq | METHOD AND DEVICE FOR MEASURING THE DISTANCE BETWEEN A TARGET AND A SENSOR |
SE456606B (en) * | 1987-02-18 | 1988-10-17 | Tornbloms Kvalitetskontroll Ab | DEVICE AND / OR TEST DIMENSION AND / OR DISTANCE SAFETY DEVICE |
DE3815010A1 (en) * | 1988-04-30 | 1989-11-09 | Leybold Ag | CIRCUIT ARRANGEMENT FOR THE COMBINED USE OF AN INDUCTIVE AND A CAPACITIVE DEVICE FOR THE DESTRUCTION-FREE MEASUREMENT OF THE RESISTANT THIN LAYERS |
FR2638837A1 (en) * | 1988-11-10 | 1990-05-11 | Phytrans | Method for detecting the temperature drift of the response signal of an inductive sensor and device for its implementation |
US5854553A (en) * | 1996-06-19 | 1998-12-29 | Skf Condition Monitoring | Digitally linearizing eddy current probe |
WO1997021070A1 (en) * | 1995-12-05 | 1997-06-12 | Skf Condition Monitoring | Driver for eddy current proximity probe |
JP2017054354A (en) * | 2015-09-10 | 2017-03-16 | 株式会社東芝 | Thickness detection device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213694A (en) * | 1963-03-11 | 1965-10-26 | Palomar Scient Corp | Stabilized transducer system for measuring displacement and acceleration |
US3851242A (en) * | 1972-06-27 | 1974-11-26 | J Ellis | Frequency-modulated eddy-current proximity gage |
GB1512799A (en) * | 1974-11-06 | 1978-06-01 | Nippon Kokan Kk | Apparatus for non-contact measurement of distance between a metallic body and a detection coil |
US4160204A (en) * | 1974-11-11 | 1979-07-03 | Kaman Sciences Corporation | Non-contact distance measurement system |
-
1979
- 1979-07-12 JP JP8747279A patent/JPS5612502A/en active Granted
-
1980
- 1980-07-08 GB GB8022329A patent/GB2054867B/en not_active Expired
- 1980-07-09 FR FR8015249A patent/FR2461233A1/en active Granted
- 1980-07-11 DE DE19803026389 patent/DE3026389C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3026389A1 (en) | 1981-01-15 |
DE3026389C2 (en) | 1984-04-19 |
GB2054867A (en) | 1981-02-18 |
FR2461233B1 (en) | 1983-05-13 |
JPS5612502A (en) | 1981-02-06 |
FR2461233A1 (en) | 1981-01-30 |
JPS623881B2 (en) | 1987-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960708 |