ZA915876B - Apparatus for measuring a physical variable - Google Patents

Apparatus for measuring a physical variable

Info

Publication number
ZA915876B
ZA915876B ZA915876A ZA915876A ZA915876B ZA 915876 B ZA915876 B ZA 915876B ZA 915876 A ZA915876 A ZA 915876A ZA 915876 A ZA915876 A ZA 915876A ZA 915876 B ZA915876 B ZA 915876B
Authority
ZA
South Africa
Prior art keywords
measuring
physical variable
variable
physical
Prior art date
Application number
ZA915876A
Inventor
Frank J Dr Furrer
J Furrer Dr Frank
Alexander Van Heereveld
Van Heereveld Alexander
Egbert Vogelzang
Vogelzang Egbert
Original Assignee
Sensoptic Optische Sensortechn
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 Sensoptic Optische Sensortechn filed Critical Sensoptic Optische Sensortechn
Publication of ZA915876B publication Critical patent/ZA915876B/en

Links

Classifications

    • 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
    • G01D5/353—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 influencing the transmission properties of an optical fibre
    • G01D5/35303—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 influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
ZA915876A 1990-08-24 1991-07-26 Apparatus for measuring a physical variable ZA915876B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90116200A EP0471881A1 (en) 1990-08-24 1990-08-24 Apparatus for measuring a physical quantity

Publications (1)

Publication Number Publication Date
ZA915876B true ZA915876B (en) 1992-04-29

Family

ID=8204366

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA915876A ZA915876B (en) 1990-08-24 1991-07-26 Apparatus for measuring a physical variable

Country Status (3)

Country Link
EP (1) EP0471881A1 (en)
JP (1) JPH04106423A (en)
ZA (1) ZA915876B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6671150B2 (en) * 2015-11-09 2020-03-25 セイコーエプソン株式会社 Physical quantity detection circuit, electronic equipment and moving object

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555739B1 (en) * 1980-11-07 1986-04-04 Thomson Csf DEVICE FOR MEASURING A NON-RECIPROCAL PHASE GENERATED IN A RING INTERFEROMETER
DE3247013A1 (en) * 1982-12-18 1984-06-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart DEVICE FOR MEASURING ROTATIONAL SPEED
US4545682A (en) * 1983-08-11 1985-10-08 The Singer Company Optical gyroscope
DE3533695A1 (en) * 1985-09-21 1987-03-26 Teldix Gmbh METHOD FOR MEASURING THE ROTATIONAL SPEED
DE3727167A1 (en) * 1987-08-14 1989-02-23 Teldix Gmbh FIBER GYRO
US4883358A (en) * 1987-09-02 1989-11-28 Japan Aviation Electronics Industry Limited Fiber optic gyro stabilized by harmonic components of detected signal
US4776700A (en) * 1987-09-30 1988-10-11 The United States Of America As Represented By The Secretary Of The Navy Switched state fiber optic gyroscope
US4872754A (en) * 1987-10-07 1989-10-10 Ensley Donald L Constant frequency digital closed-loop optical fiber gyro

Also Published As

Publication number Publication date
JPH04106423A (en) 1992-04-08
EP0471881A1 (en) 1992-02-26

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