FR2427584B1 - Dispositif a fibres optiques pour la mesure de grandeurs physiques telles que la position, la vitesse, la force, la pression et autres grandeurs similaires - Google Patents

Dispositif a fibres optiques pour la mesure de grandeurs physiques telles que la position, la vitesse, la force, la pression et autres grandeurs similaires

Info

Publication number
FR2427584B1
FR2427584B1 FR7913474A FR7913474A FR2427584B1 FR 2427584 B1 FR2427584 B1 FR 2427584B1 FR 7913474 A FR7913474 A FR 7913474A FR 7913474 A FR7913474 A FR 7913474A FR 2427584 B1 FR2427584 B1 FR 2427584B1
Authority
FR
France
Prior art keywords
quantities
force
speed
optical fiber
pressure
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.)
Expired
Application number
FR7913474A
Other languages
English (en)
Other versions
FR2427584A1 (fr
Inventor
Torgnv Brogardh
Leif Stensland
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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
Priority claimed from SE7806486A external-priority patent/SE411955B/sv
Application filed by ASEA AB filed Critical ASEA AB
Publication of FR2427584A1 publication Critical patent/FR2427584A1/fr
Application granted granted Critical
Publication of FR2427584B1 publication Critical patent/FR2427584B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
    • 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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/093—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by photoelectric pick-up

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7913474A 1978-06-02 1979-05-28 Dispositif a fibres optiques pour la mesure de grandeurs physiques telles que la position, la vitesse, la force, la pression et autres grandeurs similaires Expired FR2427584B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7806486A SE411955B (sv) 1978-06-02 1978-06-02 Fiberoptiskt metdon med hogst tva fibrer
SE7812949A SE415397B (sv) 1978-06-02 1978-12-18 Fiberoptiskt metdon

Publications (2)

Publication Number Publication Date
FR2427584A1 FR2427584A1 (fr) 1979-12-28
FR2427584B1 true FR2427584B1 (fr) 1987-03-20

Family

ID=26657059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913474A Expired FR2427584B1 (fr) 1978-06-02 1979-05-28 Dispositif a fibres optiques pour la mesure de grandeurs physiques telles que la position, la vitesse, la force, la pression et autres grandeurs similaires

Country Status (8)

Country Link
US (1) US4281245A (fr)
CA (1) CA1117312A (fr)
CH (1) CH638892A5 (fr)
DE (1) DE2920489A1 (fr)
FR (1) FR2427584B1 (fr)
GB (1) GB2025608B (fr)
IT (1) IT1118707B (fr)
SE (1) SE415397B (fr)

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Also Published As

Publication number Publication date
US4281245A (en) 1981-07-28
SE7812949L (sv) 1979-12-03
DE2920489A1 (de) 1979-12-06
SE415397B (sv) 1980-09-29
GB2025608B (en) 1982-11-10
IT1118707B (it) 1986-03-03
FR2427584A1 (fr) 1979-12-28
GB2025608A (en) 1980-01-23
CH638892A5 (de) 1983-10-14
CA1117312A (fr) 1982-02-02
IT7968185A0 (it) 1979-06-01

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