GB2064135A - Interference suppression in measuring apparatus - Google Patents

Interference suppression in measuring apparatus Download PDF

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Publication number
GB2064135A
GB2064135A GB8037565A GB8037565A GB2064135A GB 2064135 A GB2064135 A GB 2064135A GB 8037565 A GB8037565 A GB 8037565A GB 8037565 A GB8037565 A GB 8037565A GB 2064135 A GB2064135 A GB 2064135A
Authority
GB
United Kingdom
Prior art keywords
electrode
arrangement according
compensating
field
electrodes
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.)
Withdrawn
Application number
GB8037565A
Other languages
English (en)
Inventor
Karl-Heinz Schmall
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.)
Schmall K H
Original Assignee
Schmall K H
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 Schmall K H filed Critical Schmall K H
Publication of GB2064135A publication Critical patent/GB2064135A/en
Withdrawn legal-status Critical Current

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
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
    • B23K7/102—Auxiliary devices, e.g. for guiding or supporting the torch for controlling the spatial relationship between the workpieces and the gas torch
    • 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
    • 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
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • 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
    • 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
    • G01D5/24—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 capacitance
    • G01D5/241—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 capacitance by relative movement of capacitor electrodes
    • G01D5/2417—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 capacitance by relative movement of capacitor electrodes by varying separation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • 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
    • 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
    • H03K17/9502—Measures for increasing reliability
    • 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
    • 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
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960705—Safety of capacitive touch and proximity switches, e.g. increasing reliability, fail-safe

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB8037565A 1979-11-30 1980-11-24 Interference suppression in measuring apparatus Withdrawn GB2064135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1064979A CH656702A5 (en) 1979-11-30 1979-11-30 Arrangement for compensating disturbing radiation of electromagnetic radio-frequency oscillations in contactless scanning devices

Publications (1)

Publication Number Publication Date
GB2064135A true GB2064135A (en) 1981-06-10

Family

ID=4365377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8037565A Withdrawn GB2064135A (en) 1979-11-30 1980-11-24 Interference suppression in measuring apparatus

Country Status (3)

Country Link
CH (1) CH656702A5 (enExample)
DE (1) DE3042781A1 (enExample)
GB (1) GB2064135A (enExample)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190100A1 (de) * 1985-01-31 1986-08-06 GET Gesellschaft für Elektronik-Technologie mbH Sensoranordnung für Lichtbogen-Bearbeitungsmaschinen
EP0191000A1 (de) * 1985-02-08 1986-08-13 GET Gesellschaft für Elektronik-Technologie mbH Messanordnung mit einer kapazitiven Messelektrode und Bearbeitungs-Werkzeug mit integrierter Elektrode
DE3916754A1 (de) * 1988-06-09 1989-12-21 Weidmueller C A Gmbh Co Verfahren und vorrichtung zum abgleichen einer anordnung zur beruehrungslosen messung der relativlage
EP0348818A3 (de) * 1988-06-27 1990-10-17 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Schaltungsanordnung zur Übertragung mindestens eines veränderlichen Messwertes von jeweils einem der Räder eines Fahrzeuges zu einer zentralen Überwachungseinheit
EP0536565A1 (de) * 1991-10-01 1993-04-14 Messer Griesheim Gmbh Vorrichtung zum berührungslosen Erfassen von Daten einer thermischen Bearbeitungsmaschine
GB2319615A (en) * 1996-11-26 1998-05-27 United New Technology Limited Position measurement apparatus
WO2006017161A1 (en) * 2004-07-09 2006-02-16 Touchsensor Technologies, Llc Proximity sensor for sensing fluid level in a container
US8380355B2 (en) 2007-03-19 2013-02-19 Wayne/Scott Fetzer Company Capacitive sensor and method and apparatus for controlling a pump using same
US11162496B2 (en) 2016-11-11 2021-11-02 Wayne/Scott Fetzer Company Pump with external electrical components and related methods

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723485A1 (de) * 1987-07-16 1989-01-26 Thomson Brandt Gmbh Induktive kochstelle
CH673420A5 (en) * 1987-07-20 1990-03-15 Weidmueller C A Gmbh Co Contact spacing regulator - made of permeable magnet and two hall generators
DE3838545A1 (de) * 1988-11-14 1990-05-17 Klotz Gmbh Spezialgeraete Magnetkupplung
DE4132651C1 (en) * 1991-10-01 1992-10-08 Messer Griesheim Gmbh, 6000 Frankfurt, De Data monitoring device for thermal workpiece machining - has transformer for amplifying voltage of AC voltage signal, inserted between AC voltage generator and workpiece
DE4240739C2 (de) * 1991-12-03 1998-11-12 Roman Koller Verfahren zur Verlustmessung, Nachweisverfahren oder Funktionsprüfverfahren für ein solches Verfahren sowie eine Anordnung zur Durchführung dieser Verfahren
DE19919485A1 (de) * 1999-04-29 2000-11-09 Messer Cutting & Welding Ag Induktiver Sensor für thermische Bearbeitungsmaschinen
DE10082058B4 (de) * 1999-07-15 2018-10-31 Roman Koller Verfahren und Schaltung zur Verlustmessung
DE102007027822B4 (de) * 2007-06-13 2013-12-12 Micro-Epsilon Messtechnik Gmbh & Co. Kg Induktiv arbeitende Sensoranordnung und Verfahren zum Beeinflussen des Messverhaltens einer Messspule
DE102010044820B4 (de) * 2010-09-09 2015-01-22 Ident Technology Ag Sensoreinrichtung sowie Verfahren zur Annäherungs- und Berührungsdetektion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1341727A (en) * 1971-02-25 1973-12-25 Electricity Council Non-destructive testing
DE2705515C2 (de) * 1977-02-10 1985-11-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bildwiedergabegerät mit einer Bildröhre und einem Netztrafo

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190100A1 (de) * 1985-01-31 1986-08-06 GET Gesellschaft für Elektronik-Technologie mbH Sensoranordnung für Lichtbogen-Bearbeitungsmaschinen
US4677275A (en) * 1985-01-31 1987-06-30 Get Gesellschaft Fur Elektronik-Technologie Mbh Method and sensor arrangement for tool/workpiece spacing control in electric arc processing machines
EP0191000A1 (de) * 1985-02-08 1986-08-13 GET Gesellschaft für Elektronik-Technologie mbH Messanordnung mit einer kapazitiven Messelektrode und Bearbeitungs-Werkzeug mit integrierter Elektrode
DE3916754A1 (de) * 1988-06-09 1989-12-21 Weidmueller C A Gmbh Co Verfahren und vorrichtung zum abgleichen einer anordnung zur beruehrungslosen messung der relativlage
EP0348818A3 (de) * 1988-06-27 1990-10-17 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Schaltungsanordnung zur Übertragung mindestens eines veränderlichen Messwertes von jeweils einem der Räder eines Fahrzeuges zu einer zentralen Überwachungseinheit
EP0536565A1 (de) * 1991-10-01 1993-04-14 Messer Griesheim Gmbh Vorrichtung zum berührungslosen Erfassen von Daten einer thermischen Bearbeitungsmaschine
GB2319615A (en) * 1996-11-26 1998-05-27 United New Technology Limited Position measurement apparatus
WO2006017161A1 (en) * 2004-07-09 2006-02-16 Touchsensor Technologies, Llc Proximity sensor for sensing fluid level in a container
US7373817B2 (en) 2004-07-09 2008-05-20 Touchsensor Technologies, Llc Solid state fluid level sensor
US8024967B2 (en) 2004-07-09 2011-09-27 Touchsensor Technologies, Llc Solid state fluid level sensor
US8291761B2 (en) 2004-07-09 2012-10-23 Touchsensor Technologies, Llc Solid state fluid level sensor
US8844351B2 (en) 2004-07-09 2014-09-30 Touchsensor Technologies, Llc Solid state fluid level sensor
US9441624B2 (en) 2004-07-09 2016-09-13 Touchsensor Technologies, Llc Solid state fluid level sensor
US8380355B2 (en) 2007-03-19 2013-02-19 Wayne/Scott Fetzer Company Capacitive sensor and method and apparatus for controlling a pump using same
US11162496B2 (en) 2016-11-11 2021-11-02 Wayne/Scott Fetzer Company Pump with external electrical components and related methods

Also Published As

Publication number Publication date
DE3042781C2 (enExample) 1989-07-13
CH656702A5 (en) 1986-07-15
DE3042781A1 (de) 1981-08-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)