IT999049B - IMPROVEMENT TO STATIC PROXIMITY DETECTOR DEVICES - Google Patents

IMPROVEMENT TO STATIC PROXIMITY DETECTOR DEVICES

Info

Publication number
IT999049B
IT999049B IT3068673A IT3068673A IT999049B IT 999049 B IT999049 B IT 999049B IT 3068673 A IT3068673 A IT 3068673A IT 3068673 A IT3068673 A IT 3068673A IT 999049 B IT999049 B IT 999049B
Authority
IT
Italy
Prior art keywords
improvement
proximity detector
detector devices
static proximity
static
Prior art date
Application number
IT3068673A
Other languages
Italian (it)
Original Assignee
Cem Comp Electro Mec
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 Cem Comp Electro Mec filed Critical Cem Comp Electro Mec
Application granted granted Critical
Publication of IT999049B publication Critical patent/IT999049B/en

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
    • H03K17/9525—Proximity switches using a magnetic detector using inductive coils controlled by an oscillatory signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2053—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/9401—Calibration techniques
    • H03K2217/94015—Mechanical, e.g. by displacement of a body, a shielding element, or a magnet, in or out of the sensing area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
IT3068673A 1972-11-20 1973-10-29 IMPROVEMENT TO STATIC PROXIMITY DETECTOR DEVICES IT999049B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7241084A FR2207594A5 (en) 1972-11-20 1972-11-20

Publications (1)

Publication Number Publication Date
IT999049B true IT999049B (en) 1976-02-20

Family

ID=9107374

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3068673A IT999049B (en) 1972-11-20 1973-10-29 IMPROVEMENT TO STATIC PROXIMITY DETECTOR DEVICES

Country Status (4)

Country Link
DE (1) DE2356783A1 (en)
FR (1) FR2207594A5 (en)
GB (1) GB1452132A (en)
IT (1) IT999049B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2618163C2 (en) * 1976-04-26 1985-08-08 Eckart Dr.Rer.Nat. 2300 Kiel Hiss Coil arrangement for proximity switches
WO1982001630A1 (en) * 1980-10-29 1982-05-13 Harris Geoffrey J Proximity switch
DE4011729A1 (en) * 1990-04-11 1991-10-17 Fev Motorentech Gmbh & Co Kg POSITION SENSOR
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
CA2189959C (en) * 1994-05-14 2005-11-15 Andrew N. Dames Position encoder
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
DE69832274T2 (en) 1997-05-28 2006-08-03 Synaptics (Uk) Ltd., Harston METHOD AND WIREBOND DEVICE FOR PRODUCING A TRANSDUCER
GB9720954D0 (en) 1997-10-02 1997-12-03 Scient Generics Ltd Commutators for motors
GB9721891D0 (en) 1997-10-15 1997-12-17 Scient Generics Ltd Symmetrically connected spiral transducer
GB9811151D0 (en) 1998-05-22 1998-07-22 Scient Generics Ltd Rotary encoder
GB2353361A (en) * 1999-08-18 2001-02-21 Walton Green Andrew John Scott Proximity switch comprising relatively movable tuned circuits
EP1412912B1 (en) 2001-05-21 2008-06-18 Synaptics (UK) Limited Position sensor
DE10125278C2 (en) * 2001-05-23 2003-04-10 Cherry Gmbh Inductive position switching device
US7907130B2 (en) 2002-06-05 2011-03-15 Synaptics (Uk) Limited Signal transfer method and apparatus
GB0319945D0 (en) 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
DE102004049024B3 (en) * 2004-09-20 2006-04-13 K.A. Schmersal Holding Kg Position monitoring device
GB2435518B (en) * 2006-02-28 2009-11-18 Alexy Davison Karenowska Position sensor
US8570028B2 (en) 2007-05-10 2013-10-29 Cambridge Integrated Circuits Limited Transducer for a position sensor
GB2488389C (en) 2010-12-24 2018-08-22 Cambridge Integrated Circuits Ltd Position sensing transducer
GB2503006B (en) 2012-06-13 2017-08-09 Cambridge Integrated Circuits Ltd Position sensing transducer
DE102021114948A1 (en) * 2021-06-10 2022-12-15 Turck Holding Gmbh proximity sensor

Also Published As

Publication number Publication date
FR2207594A5 (en) 1974-06-14
GB1452132A (en) 1976-10-13
DE2356783A1 (en) 1974-06-06

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