IT1237074B - Dispositivo per eseguire la misurazione di una grandezza fisica e la trasmissione a distanza del valore rilevato di questa. - Google Patents

Dispositivo per eseguire la misurazione di una grandezza fisica e la trasmissione a distanza del valore rilevato di questa.

Info

Publication number
IT1237074B
IT1237074B IT02204189A IT2204189A IT1237074B IT 1237074 B IT1237074 B IT 1237074B IT 02204189 A IT02204189 A IT 02204189A IT 2204189 A IT2204189 A IT 2204189A IT 1237074 B IT1237074 B IT 1237074B
Authority
IT
Italy
Prior art keywords
releved
measurement
perform
transmission
distance
Prior art date
Application number
IT02204189A
Other languages
English (en)
Other versions
IT8922041A0 (it
IT8922041A1 (it
Inventor
Francesco Simonelli
Original Assignee
Pirelli Cavi 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 filed Critical Pirelli Cavi Spa
Priority to IT02204189A priority Critical patent/IT1237074B/it
Publication of IT8922041A0 publication Critical patent/IT8922041A0/it
Priority to FR9011921A priority patent/FR2653254B1/fr
Priority to ES9002761A priority patent/ES2024936A6/es
Priority to BR909005337A priority patent/BR9005337A/pt
Priority to GB9022527A priority patent/GB2237634B/en
Publication of IT8922041A1 publication Critical patent/IT8922041A1/it
Application granted granted Critical
Publication of IT1237074B publication Critical patent/IT1237074B/it

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)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
IT02204189A 1989-10-17 1989-10-17 Dispositivo per eseguire la misurazione di una grandezza fisica e la trasmissione a distanza del valore rilevato di questa. IT1237074B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT02204189A IT1237074B (it) 1989-10-17 1989-10-17 Dispositivo per eseguire la misurazione di una grandezza fisica e la trasmissione a distanza del valore rilevato di questa.
FR9011921A FR2653254B1 (fr) 1989-10-17 1990-09-27 Dispositif pour effectuer la mesure d'une grandeur physique et la transmission a distance de la valeur relevee de cette grandeur.
ES9002761A ES2024936A6 (es) 1989-10-17 1990-10-15 Dispositivo para medir una magnitud fisica y proporcionar la transmision a distancia del valor de la magnitud fisica detectada.
BR909005337A BR9005337A (pt) 1989-10-17 1990-10-17 Dispositivo para executar a medicao de uma grandeza fisica e a transmissao a distancia do valor obtido desta
GB9022527A GB2237634B (en) 1989-10-17 1990-10-17 Device for remote measurement of a physical quantity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02204189A IT1237074B (it) 1989-10-17 1989-10-17 Dispositivo per eseguire la misurazione di una grandezza fisica e la trasmissione a distanza del valore rilevato di questa.

Publications (3)

Publication Number Publication Date
IT8922041A0 IT8922041A0 (it) 1989-10-17
IT8922041A1 IT8922041A1 (it) 1991-04-17
IT1237074B true IT1237074B (it) 1993-05-13

Family

ID=11190601

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02204189A IT1237074B (it) 1989-10-17 1989-10-17 Dispositivo per eseguire la misurazione di una grandezza fisica e la trasmissione a distanza del valore rilevato di questa.

Country Status (5)

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

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

Family Cites Families (5)

* 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
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 (de) * 1983-03-31 1984-10-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Interferometrisches, eichbares fabry-perot-sensorsystem mit doppelbrechendem monomode-lichtwellenleiter
JP3175935B2 (ja) * 1987-09-30 2001-06-11 株式会社東芝 光ファイバ応用センサ

Also Published As

Publication number Publication date
GB9022527D0 (en) 1990-11-28
BR9005337A (pt) 1991-09-17
FR2653254A1 (fr) 1991-04-19
IT8922041A0 (it) 1989-10-17
GB2237634A (en) 1991-05-08
FR2653254B1 (fr) 1995-05-24
IT8922041A1 (it) 1991-04-17
ES2024936A6 (es) 1992-03-01
GB2237634B (en) 1993-07-28

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971029