ATA43689A - Vorrichtung zur leitung von elektromagnetischen wellen - Google Patents

Vorrichtung zur leitung von elektromagnetischen wellen

Info

Publication number
ATA43689A
ATA43689A AT43689A AT43689A ATA43689A AT A43689 A ATA43689 A AT A43689A AT 43689 A AT43689 A AT 43689A AT 43689 A AT43689 A AT 43689A AT A43689 A ATA43689 A AT A43689A
Authority
AT
Austria
Prior art keywords
conducting electromagnetic
electromagnetic shafts
shafts
conducting
electromagnetic
Prior art date
Application number
AT43689A
Other languages
English (en)
Inventor
Alfred Ing Scherz
Original Assignee
Siemens Ag Oesterreich
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 Siemens Ag Oesterreich filed Critical Siemens Ag Oesterreich
Priority to AT43689A priority Critical patent/ATA43689A/de
Priority to DE19904004728 priority patent/DE4004728A1/de
Priority to FR9002254A priority patent/FR2643710A1/fr
Publication of ATA43689A publication Critical patent/ATA43689A/de

Links

Classifications

    • 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G01D5/34723—Scale reading or illumination devices involving light-guides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT43689A 1989-02-28 1989-02-28 Vorrichtung zur leitung von elektromagnetischen wellen ATA43689A (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT43689A ATA43689A (de) 1989-02-28 1989-02-28 Vorrichtung zur leitung von elektromagnetischen wellen
DE19904004728 DE4004728A1 (de) 1989-02-28 1990-02-15 Vorrichtung zur leitung von elektromagnetischen wellen
FR9002254A FR2643710A1 (fr) 1989-02-28 1990-02-23 Dispositif pour guider des ondes electromagnetiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT43689A ATA43689A (de) 1989-02-28 1989-02-28 Vorrichtung zur leitung von elektromagnetischen wellen

Publications (1)

Publication Number Publication Date
ATA43689A true ATA43689A (de) 1991-05-15

Family

ID=3490559

Family Applications (1)

Application Number Title Priority Date Filing Date
AT43689A ATA43689A (de) 1989-02-28 1989-02-28 Vorrichtung zur leitung von elektromagnetischen wellen

Country Status (3)

Country Link
AT (1) ATA43689A (de)
DE (1) DE4004728A1 (de)
FR (1) FR2643710A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4113720C2 (de) * 1991-04-26 1996-01-11 Daimler Benz Ag Gabellichtschranke
DE4437348C2 (de) * 1994-10-19 2003-11-06 Schleicher & Co Int Ag Dokumentenvernichter mit einem Schneidwerk und einer Lichtschranke
US6995356B2 (en) 2002-04-11 2006-02-07 Agilent Technologies, Inc. Optical encoder device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1219833A (en) * 1968-02-29 1971-01-20 Lumenition Ltd Improvements in ignition systems for internal combustion engines
DE2034344A1 (de) * 1970-07-10 1972-01-13 Ulrich H Einrichtung zur Messung physikalischer Großen durch Messung der Intensität eines Lichtstrahlenbundels
DE3630396A1 (de) * 1986-09-06 1988-03-17 Bbc Brown Boveri & Cie Anordnung zur fuellstandsmessung und -ueberwachung einer fluessigkeit in einem behaelter

Also Published As

Publication number Publication date
DE4004728A1 (de) 1990-08-30
FR2643710A1 (fr) 1990-08-31

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
A1J Withdrawal paragraph 166 lit. 6