CH421237A - Näherungsdetektor - Google Patents

Näherungsdetektor

Info

Publication number
CH421237A
CH421237A CH132764A CH132764A CH421237A CH 421237 A CH421237 A CH 421237A CH 132764 A CH132764 A CH 132764A CH 132764 A CH132764 A CH 132764A CH 421237 A CH421237 A CH 421237A
Authority
CH
Switzerland
Prior art keywords
proximity detector
proximity
detector
Prior art date
Application number
CH132764A
Other languages
English (en)
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH132764A priority Critical patent/CH421237A/de
Priority to DE19641448793D priority patent/DE1448793B1/de
Priority to FR1045A priority patent/FR1425592A/fr
Priority to NL6500952A priority patent/NL134379C/xx
Priority to US429559A priority patent/US3350660A/en
Publication of CH421237A publication Critical patent/CH421237A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • G01V3/102—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
CH132764A 1964-02-05 1964-02-05 Näherungsdetektor CH421237A (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH132764A CH421237A (de) 1964-02-05 1964-02-05 Näherungsdetektor
DE19641448793D DE1448793B1 (de) 1964-02-05 1964-12-15
FR1045A FR1425592A (fr) 1964-02-05 1965-01-06 Détecteur de proximité
NL6500952A NL134379C (de) 1964-02-05 1965-01-26
US429559A US3350660A (en) 1964-02-05 1965-02-01 Vicinity detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH132764A CH421237A (de) 1964-02-05 1964-02-05 Näherungsdetektor

Publications (1)

Publication Number Publication Date
CH421237A true CH421237A (de) 1966-09-30

Family

ID=4207855

Family Applications (1)

Application Number Title Priority Date Filing Date
CH132764A CH421237A (de) 1964-02-05 1964-02-05 Näherungsdetektor

Country Status (5)

Country Link
US (1) US3350660A (de)
CH (1) CH421237A (de)
DE (1) DE1448793B1 (de)
FR (1) FR1425592A (de)
NL (1) NL134379C (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413673A1 (fr) * 1977-12-27 1979-07-27 Centre Rech Metallurgique Dispositif pour detecter la presence d'un produit metallique la mine, en mouvement
US4806882A (en) * 1985-06-20 1989-02-21 Siemens Aktiengesellschaft Oscillator/demodulator circuit for an inductive proximity switch
EP0399563A2 (de) * 1989-05-26 1990-11-28 Omron Corporation Näherungsschalter des Hochfrequenzschwingungstyps

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1245249A (en) * 1967-12-01 1971-09-08 Mirrlees Nat Ltd Improvements in or relating to temperature responsive devices for moving parts of a mechanism
US3619805A (en) * 1969-01-09 1971-11-09 Reliance Electric & Eng Co Noncontacting displacement transducer including an oscillator with cable-connected inductive probe
DE1914876C3 (de) * 1969-03-24 1978-10-26 Messer Griesheim Gmbh, 6000 Frankfurt Einrichtung zum Schutz einer Anordnung zur kapazitiven Abstandsmessung
US3747012A (en) * 1972-09-21 1973-07-17 R Buck Contactless oscillator-type proximity sensor with adjustable hysteresis
DE3514833A1 (de) * 1985-04-24 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Induktiver annaeherungsschalter
CH672383A5 (de) * 1986-10-29 1989-11-15 Baumer Electric Ag
US4839602A (en) * 1986-11-04 1989-06-13 Philip Morris Incorporated Means for detecting metal in a stream of particulate matter
US4804054A (en) * 1987-06-01 1989-02-14 Intelligent Medicine, Inc. Device and method for precise subcutaneous placement of a medical instrument
US7528597B2 (en) * 2004-03-08 2009-05-05 Digisensors, Inc. Induction sensor
US7511476B2 (en) * 2005-01-04 2009-03-31 Digisensors, Inc. Electromagnetic sensor systems and methods of use thereof
US7898244B2 (en) * 2005-03-07 2011-03-01 Digisensors, Inc. Electromagnetic sensor systems
US7816911B2 (en) * 2005-03-07 2010-10-19 Digisensors, Inc. Electromagnetic sensor systems
US8025668B2 (en) * 2005-04-28 2011-09-27 C. R. Bard, Inc. Medical device removal system
US20100147832A1 (en) * 2008-12-16 2010-06-17 Barker Iii Charles R Induction cookware identifying

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405526A (en) * 1945-01-13 1946-08-06 Rca Corp Automatic stop for phonographs
US2573172A (en) * 1947-11-01 1951-10-30 Robert V Funk Tank bleeder
US2600928A (en) * 1948-11-30 1952-06-17 Wheelco Instr Company Flame detector
US2611020A (en) * 1949-03-16 1952-09-16 Westinghouse Electric Corp Crystal oscillator ultramicrometer
US2977414A (en) * 1957-12-06 1961-03-28 Peter G S Mero Control system
US3034022A (en) * 1958-01-16 1962-05-08 Fielden Electronics Ltd Switching circuits
US2972116A (en) * 1958-11-28 1961-02-14 Gen Motors Corp Emitter follower transistor oscillator
US3140450A (en) * 1961-02-13 1964-07-07 Edcliff Instr Inc Force controlled variable reactance transducer
US3147408A (en) * 1961-08-07 1964-09-01 Yamamoto Mititaka Proximity switch system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413673A1 (fr) * 1977-12-27 1979-07-27 Centre Rech Metallurgique Dispositif pour detecter la presence d'un produit metallique la mine, en mouvement
US4806882A (en) * 1985-06-20 1989-02-21 Siemens Aktiengesellschaft Oscillator/demodulator circuit for an inductive proximity switch
EP0399563A2 (de) * 1989-05-26 1990-11-28 Omron Corporation Näherungsschalter des Hochfrequenzschwingungstyps
EP0399563A3 (de) * 1989-05-26 1991-07-17 Omron Corporation Näherungsschalter des Hochfrequenzschwingungstyps

Also Published As

Publication number Publication date
NL134379C (de) 1972-06-15
FR1425592A (fr) 1966-01-24
DE1448793B1 (de) 1970-02-12
NL6500952A (de) 1965-08-06
US3350660A (en) 1967-10-31

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