GB2054157B - Electro-magnetic detector - Google Patents
Electro-magnetic detectorInfo
- Publication number
- GB2054157B GB2054157B GB8016251A GB8016251A GB2054157B GB 2054157 B GB2054157 B GB 2054157B GB 8016251 A GB8016251 A GB 8016251A GB 8016251 A GB8016251 A GB 8016251A GB 2054157 B GB2054157 B GB 2054157B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electro
- magnetic detector
- detector
- magnetic
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- 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
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Electronic Switches (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54061634A JPS6041815B2 (en) | 1979-05-18 | 1979-05-18 | proximity switch |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2054157A GB2054157A (en) | 1981-02-11 |
GB2054157B true GB2054157B (en) | 1983-09-21 |
Family
ID=13176816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8016251A Expired GB2054157B (en) | 1979-05-18 | 1980-05-16 | Electro-magnetic detector |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS6041815B2 (en) |
DE (1) | DE3017577A1 (en) |
GB (1) | GB2054157B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4408159A (en) * | 1981-04-02 | 1983-10-04 | Abex Corporation | Proximity sensing head |
JPH0677423B2 (en) * | 1984-05-17 | 1994-09-28 | オムロン株式会社 | Proximity sensor |
IT1199159B (en) * | 1984-07-13 | 1988-12-30 | Centro Speriment Metallurg | PROBE FOR THE CONTROL OF SURFACE DEFECTS OF HIGH TEMPERATURE METAL BODIES |
JPH02228519A (en) * | 1989-03-02 | 1990-09-11 | Murata Mfg Co Ltd | Support construction of vibrator |
DE4038017A1 (en) * | 1990-11-29 | 1992-06-04 | Ego Elektro Blanc & Fischer | Electric hotplate with sensing unit identifying pan - in form of induction coil embedded in recess of insulating body mounted in opening |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE822169C (en) * | 1950-03-22 | 1951-11-22 | Eduard Vogel Dipl Ing | Watertight and airtight case for clocks and other instruments |
DE1111706B (en) * | 1958-07-07 | 1961-07-27 | Elektro App Werke J W Stalin V | Electric relay or electric switch in encapsulated design |
GB1040693A (en) * | 1961-09-15 | 1966-09-01 | English Electric Co Ltd | Improvements in and relating to electro-magnetic proximity devices and apparatus incorporating such devices |
US3349323A (en) * | 1964-08-19 | 1967-10-24 | Robert D Mullen | Apparatus and methods employing magnetic reed switches and static and varying bias fields for detecting magnetic phenomena |
GB1316793A (en) * | 1969-06-03 | 1973-05-16 | Euratom | Apparatusfor the detection of bubbles in a liquid metal and for the determination of metal particles in tubes |
JPS4845653U (en) * | 1971-09-30 | 1973-06-14 | ||
DE2509787C2 (en) * | 1975-03-06 | 1982-06-16 | Hans Heinrich Prof. Dr.-Ing. 3300 Braunschweig Emschermann | Temperature protection vessel for measuring devices or parts of measuring devices |
-
1979
- 1979-05-18 JP JP54061634A patent/JPS6041815B2/en not_active Expired
-
1980
- 1980-05-08 DE DE19803017577 patent/DE3017577A1/en active Granted
- 1980-05-16 GB GB8016251A patent/GB2054157B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3017577A1 (en) | 1980-11-20 |
DE3017577C2 (en) | 1987-01-02 |
JPS6041815B2 (en) | 1985-09-19 |
GB2054157A (en) | 1981-02-11 |
JPS55154023A (en) | 1980-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930516 |