BR9101838A - Aparelho e metodo de medicao optica de sinal - Google Patents

Aparelho e metodo de medicao optica de sinal

Info

Publication number
BR9101838A
BR9101838A BR919101838A BR9101838A BR9101838A BR 9101838 A BR9101838 A BR 9101838A BR 919101838 A BR919101838 A BR 919101838A BR 9101838 A BR9101838 A BR 9101838A BR 9101838 A BR9101838 A BR 9101838A
Authority
BR
Brazil
Prior art keywords
signal optical
medication apparatus
medication
optical
signal
Prior art date
Application number
BR919101838A
Other languages
English (en)
Inventor
Paul Laurence Scrivener
Andrew Paul Appleyard
Original Assignee
Pirelli General Plc
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 General Plc filed Critical Pirelli General Plc
Publication of BR9101838A publication Critical patent/BR9101838A/pt

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
    • G01D5/268—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Transform (AREA)
BR919101838A 1990-05-01 1991-04-30 Aparelho e metodo de medicao optica de sinal BR9101838A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9009751A GB2243679B (en) 1990-05-01 1990-05-01 Measuring apparatus and method

Publications (1)

Publication Number Publication Date
BR9101838A true BR9101838A (pt) 1991-12-17

Family

ID=10675272

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919101838A BR9101838A (pt) 1990-05-01 1991-04-30 Aparelho e metodo de medicao optica de sinal

Country Status (4)

Country Link
EP (1) EP0455461A1 (pt)
BR (1) BR9101838A (pt)
CA (1) CA2041550A1 (pt)
GB (1) GB2243679B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628200B4 (de) * 1996-07-12 2007-03-01 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung zur Durchführung interferometrischer Messungen
AU5367399A (en) * 1998-08-28 2000-03-21 E-Tek Electrophotonics Solutions Corporation Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
US6600846B2 (en) * 2001-01-15 2003-07-29 Coretek, Inc. Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461387A (en) * 1973-11-02 1977-01-13 Ilford Ltd Comparative photometer having an automaitc gain control
US4006358A (en) * 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
SE418997B (sv) * 1978-06-26 1981-07-06 Asea Ab Fiberoptisk temeraturgivare baserad pa metning av den temperaturberoende, spektrala absorptionsformagan hos ett material
DE2910240A1 (de) * 1979-03-15 1980-09-25 Rolf Dr Bartke Vorrichtung zur ermittelung des reflexionsvermoegens der oberflaeche eines messobjektes
GB2105460A (en) * 1981-09-10 1983-03-23 Racal Security Ltd Radiation detectors
SE458160B (sv) * 1984-08-09 1989-02-27 Daimler Benz Ag Foerfarande foer fiberoptisk spektralkodad oeverfoeri ng av maetvaerden och anordningar foer utoevande av foerfarandet
US4709145A (en) * 1986-08-20 1987-11-24 Simmonds Precision Products, Inc. Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor by using a dual wavelength optical source and matched polarizer

Also Published As

Publication number Publication date
CA2041550A1 (en) 1991-11-02
GB2243679B (en) 1994-05-25
EP0455461A1 (en) 1991-11-06
GB2243679A (en) 1991-11-06
GB9009751D0 (en) 1990-06-20

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FD3 Appl. lapsed due to non-payment of renewal fee