GB2237634B - Device for remote measurement of a physical quantity - Google Patents

Device for remote measurement of a physical quantity

Info

Publication number
GB2237634B
GB2237634B GB9022527A GB9022527A GB2237634B GB 2237634 B GB2237634 B GB 2237634B GB 9022527 A GB9022527 A GB 9022527A GB 9022527 A GB9022527 A GB 9022527A GB 2237634 B GB2237634 B GB 2237634B
Authority
GB
United Kingdom
Prior art keywords
physical quantity
remote measurement
remote
measurement
physical
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 - Lifetime
Application number
GB9022527A
Other versions
GB2237634A (en
GB9022527D0 (en
Inventor
Francesco Simonelli
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.)
Pirelli and C SpA
Original Assignee
Pirelli Cavi SpA
Cavi Pirelli SpA
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 Pirelli Cavi SpA, Cavi Pirelli SpA filed Critical Pirelli Cavi SpA
Publication of GB9022527D0 publication Critical patent/GB9022527D0/en
Publication of GB2237634A publication Critical patent/GB2237634A/en
Application granted granted Critical
Publication of GB2237634B publication Critical patent/GB2237634B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. 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
    • G01D5/344—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 polarisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9022527A 1989-10-17 1990-10-17 Device for remote measurement of a physical quantity Expired - Lifetime GB2237634B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02204189A IT1237074B (en) 1989-10-17 1989-10-17 DEVICE TO PERFORM THE MEASUREMENT OF A PHYSICAL SIZE AND THE TRANSMISSION OF THE RELEVED VALUE OF THIS TO A DISTANCE.

Publications (3)

Publication Number Publication Date
GB9022527D0 GB9022527D0 (en) 1990-11-28
GB2237634A GB2237634A (en) 1991-05-08
GB2237634B true GB2237634B (en) 1993-07-28

Family

ID=11190601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9022527A Expired - Lifetime GB2237634B (en) 1989-10-17 1990-10-17 Device for remote measurement of a physical quantity

Country Status (5)

Country Link
BR (1) BR9005337A (en)
ES (1) ES2024936A6 (en)
FR (1) FR2653254B1 (en)
GB (1) GB2237634B (en)
IT (1) IT1237074B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273840A (en) * 1992-12-09 1994-06-29 Sony Corp Optically transmitting signals between measurement devices

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1121423A (en) * 1967-01-02 1968-07-24 Mullard Ltd Magneto-optical current-measuring apparatus and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356396A (en) * 1980-12-17 1982-10-26 Siemens Corporation Fiber optical measuring device with compensating properties
US4596925A (en) * 1982-10-27 1986-06-24 The Foxboro Company Fiber optic displacement sensor with built-in reference
DE3311809A1 (en) * 1983-03-31 1984-10-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Interferometric calibratable Fabry-Perot sensor system with birefringent monomode optical fibre
JP3175935B2 (en) * 1987-09-30 2001-06-11 株式会社東芝 Optical fiber sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1121423A (en) * 1967-01-02 1968-07-24 Mullard Ltd Magneto-optical current-measuring apparatus and method

Also Published As

Publication number Publication date
IT8922041A0 (en) 1989-10-17
IT8922041A1 (en) 1991-04-17
FR2653254A1 (en) 1991-04-19
IT1237074B (en) 1993-05-13
GB2237634A (en) 1991-05-08
BR9005337A (en) 1991-09-17
FR2653254B1 (en) 1995-05-24
GB9022527D0 (en) 1990-11-28
ES2024936A6 (en) 1992-03-01

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