DE3017577A1 - Detektor sowie verfahren zu seiner herstellung - Google Patents

Detektor sowie verfahren zu seiner herstellung

Info

Publication number
DE3017577A1
DE3017577A1 DE19803017577 DE3017577A DE3017577A1 DE 3017577 A1 DE3017577 A1 DE 3017577A1 DE 19803017577 DE19803017577 DE 19803017577 DE 3017577 A DE3017577 A DE 3017577A DE 3017577 A1 DE3017577 A1 DE 3017577A1
Authority
DE
Germany
Prior art keywords
housing
evacuation
core
coil
detector
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.)
Granted
Application number
DE19803017577
Other languages
German (de)
English (en)
Other versions
DE3017577C2 (US20110009641A1-20110113-C00256.png
Inventor
Hiroyuki Amemori
Goro Momoya
Yoshio Senoo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokico Ltd
Original Assignee
Tokico Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokico Ltd filed Critical Tokico Ltd
Publication of DE3017577A1 publication Critical patent/DE3017577A1/de
Application granted granted Critical
Publication of DE3017577C2 publication Critical patent/DE3017577C2/de
Granted legal-status Critical Current

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)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (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)
DE19803017577 1979-05-18 1980-05-08 Detektor sowie verfahren zu seiner herstellung Granted DE3017577A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54061634A JPS6041815B2 (ja) 1979-05-18 1979-05-18 近接スイツチ

Publications (2)

Publication Number Publication Date
DE3017577A1 true DE3017577A1 (de) 1980-11-20
DE3017577C2 DE3017577C2 (US20110009641A1-20110113-C00256.png) 1987-01-02

Family

ID=13176816

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803017577 Granted DE3017577A1 (de) 1979-05-18 1980-05-08 Detektor sowie verfahren zu seiner herstellung

Country Status (3)

Country Link
JP (1) JPS6041815B2 (US20110009641A1-20110113-C00256.png)
DE (1) DE3017577A1 (US20110009641A1-20110113-C00256.png)
GB (1) GB2054157B (US20110009641A1-20110113-C00256.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062597A2 (en) * 1981-04-02 1982-10-13 Abex Corporation Proximity switch

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677423B2 (ja) * 1984-05-17 1994-09-28 オムロン株式会社 近接センサ
IT1199159B (it) * 1984-07-13 1988-12-30 Centro Speriment Metallurg Sonda per il controllo dei difetti superficiali di corpi metallici ad alta temperatura
JPH02228519A (ja) * 1989-03-02 1990-09-11 Murata Mfg Co Ltd 振動子の支持構造
DE4038017A1 (de) * 1990-11-29 1992-06-04 Ego Elektro Blanc & Fischer Elektrokochplatte

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE822169C (de) * 1950-03-22 1951-11-22 Eduard Vogel Dipl Ing Wasser- und luftdichtes Gehaeuse fuer Uhren und andere Instrumente
DE1111706B (de) * 1958-07-07 1961-07-27 Elektro App Werke J W Stalin V Elektrisches Relais oder elektrischer Schalter in gekapselter Ausfuehrung
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
DE2027488A1 (de) * 1969-06-03 1970-12-10 Europäische Atomgemeinschaft (EURA-TO), Europazentrum, Kirchberg (Luxemburg) Gerät zur Bestimmung von Blasen in einem flüssigen Metall und zur Bestimmung von Metallteilchen in Leitungen aus Metall
DE2509787A1 (de) * 1975-03-06 1976-09-16 Hans Heinrich Prof Emschermann Temperatur-schutzgefaess fuer messeinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4845653U (US20110009641A1-20110113-C00256.png) * 1971-09-30 1973-06-14

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE822169C (de) * 1950-03-22 1951-11-22 Eduard Vogel Dipl Ing Wasser- und luftdichtes Gehaeuse fuer Uhren und andere Instrumente
DE1111706B (de) * 1958-07-07 1961-07-27 Elektro App Werke J W Stalin V Elektrisches Relais oder elektrischer Schalter in gekapselter Ausfuehrung
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
DE2027488A1 (de) * 1969-06-03 1970-12-10 Europäische Atomgemeinschaft (EURA-TO), Europazentrum, Kirchberg (Luxemburg) Gerät zur Bestimmung von Blasen in einem flüssigen Metall und zur Bestimmung von Metallteilchen in Leitungen aus Metall
DE2509787A1 (de) * 1975-03-06 1976-09-16 Hans Heinrich Prof Emschermann Temperatur-schutzgefaess fuer messeinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062597A2 (en) * 1981-04-02 1982-10-13 Abex Corporation Proximity switch
EP0062597A3 (en) * 1981-04-02 1984-01-11 Abex Corporation Proximity switch

Also Published As

Publication number Publication date
GB2054157A (en) 1981-02-11
JPS55154023A (en) 1980-12-01
GB2054157B (en) 1983-09-21
DE3017577C2 (US20110009641A1-20110113-C00256.png) 1987-01-02
JPS6041815B2 (ja) 1985-09-19

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee