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BR9005337A - Dispositivo para executar a medicao de uma grandeza fisica e a transmissao a distancia do valor obtido desta - Google Patents

Dispositivo para executar a medicao de uma grandeza fisica e a transmissao a distancia do valor obtido desta

Info

Publication number
BR9005337A
BR9005337A BR909005337A BR9005337A BR9005337A BR 9005337 A BR9005337 A BR 9005337A BR 909005337 A BR909005337 A BR 909005337A BR 9005337 A BR9005337 A BR 9005337A BR 9005337 A BR9005337 A BR 9005337A
Authority
BR
Brazil
Prior art keywords
medication
execute
transmission
distance
value obtained
Prior art date
Application number
BR909005337A
Other languages
English (en)
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
Publication of BR9005337A publication Critical patent/BR9005337A/pt

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/06Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/344Mechanical 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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BR909005337A 1989-10-17 1990-10-17 Dispositivo para executar a medicao de uma grandeza fisica e a transmissao a distancia do valor obtido desta BR9005337A (pt)

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 (1)

Publication Number Publication Date
BR9005337A true BR9005337A (pt) 1991-09-17

Family

ID=11190601

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (5)

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

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
FR2653254B1 (fr) 1995-05-24
GB2237634A (en) 1991-05-08
IT1237074B (it) 1993-05-13
GB9022527D0 (en) 1990-11-28
IT8922041A1 (it) 1991-04-17
GB2237634B (en) 1993-07-28
ES2024936A6 (es) 1992-03-01
FR2653254A1 (fr) 1991-04-19
IT8922041A0 (it) 1989-10-17

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 17/10/2005