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BR7708011A - Sistema de transmissao de dados por fibras oticas - Google Patents

Sistema de transmissao de dados por fibras oticas

Info

Publication number
BR7708011A
BR7708011A BR7708011A BR7708011A BR7708011A BR 7708011 A BR7708011 A BR 7708011A BR 7708011 A BR7708011 A BR 7708011A BR 7708011 A BR7708011 A BR 7708011A BR 7708011 A BR7708011 A BR 7708011A
Authority
BR
Brazil
Prior art keywords
optical fiber
data transmission
transmission system
fiber data
optical
Prior art date
Application number
BR7708011A
Other languages
English (en)
Inventor
M Chown
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BR7708011A publication Critical patent/BR7708011A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2587—Arrangements specific to fibre transmission using a single light source for multiple stations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
BR7708011A 1976-12-07 1977-12-01 Sistema de transmissao de dados por fibras oticas BR7708011A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50962/76A GB1540907A (en) 1976-12-07 1976-12-07 System for obtaining data from a plurality of condition responsive optical devices

Publications (1)

Publication Number Publication Date
BR7708011A true BR7708011A (pt) 1979-06-05

Family

ID=10458115

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7708011A BR7708011A (pt) 1976-12-07 1977-12-01 Sistema de transmissao de dados por fibras oticas

Country Status (5)

Country Link
US (1) US4182935A (pt)
AU (1) AU509982B2 (pt)
BR (1) BR7708011A (pt)
CH (1) CH625374A5 (pt)
GB (1) GB1540907A (pt)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450539A1 (fr) * 1979-02-28 1980-09-26 Lyonnaise Transmiss Optiques Multiplexeur temporel
US4334781A (en) 1979-06-08 1982-06-15 Tokyo Shibaura Denki Kabushiki Kaisha Optical sensing system
JPS5683895U (pt) * 1979-12-01 1981-07-06
US4333009A (en) * 1979-12-10 1982-06-01 Bertea Corporation Optical position transducer
BE881812A (nl) * 1979-12-17 1980-06-16 Cerberus Ag Meldingsstelsel
US4302835A (en) * 1980-01-24 1981-11-24 Sperry Corporation Multiple terminal passive multiplexing apparatus
EP0034107A1 (en) * 1980-02-11 1981-08-19 United Technologies Corporation Optical encoder using time domain multi-plexer
US4291976A (en) * 1980-03-10 1981-09-29 Sperry Corporation Digital fiber optic position sensor
US4445110A (en) * 1980-07-28 1984-04-24 Itek Corporation Absolute optical encoder system
DE3041875C2 (de) * 1980-11-06 1984-05-10 Krautkrämer GmbH, 5000 Köln Vorrichtung zur Erzeugung von Ultraschallwellen
EP0053391A1 (en) * 1980-12-01 1982-06-09 Siemens Aktiengesellschaft Fiber optical sensor system, preferably for use in automobile equipment
US4346478A (en) * 1980-12-01 1982-08-24 Siemens Corporation Fiber optical sensor system, preferably for measuring physical parameters
ATE13788T1 (de) * 1980-12-17 1985-06-15 Ici Plc Vorrichtung zum zusammenfassen von daten aus mehreren zustandsabhaengigen optischen sensoren.
US4360247A (en) * 1981-01-19 1982-11-23 Gould Inc. Evanescent fiber optic pressure sensor apparatus
US4387954A (en) * 1981-01-19 1983-06-14 Gould Inc. Method for fabricating an optical waveguide evanescent wave coupler having an interleaved film
DE3127379C2 (de) * 1981-07-10 1987-02-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Erfassung und Übertragung von Sensordaten
US4477725A (en) * 1981-08-27 1984-10-16 Trw Inc. Microbending of optical fibers for remote force measurement
US4459477A (en) * 1981-08-27 1984-07-10 Trw Inc. Microbending of optical fibers for remote force measurement
FR2513049A1 (fr) * 1981-09-15 1983-03-18 Thomson Csf Systeme de communication optique et reseau telephonique comprenant un tel systeme
US4473270A (en) * 1981-10-23 1984-09-25 Leland Stanford Junior University Splice-free fiber optic recirculating memory
FR2518268B1 (fr) * 1981-12-11 1985-07-12 Thomson Csf Dispositif de localisation d'illuminateurs directifs, utilisable pour la detection panoramique de sources lasers
US4467468A (en) * 1981-12-28 1984-08-21 At&T Bell Laboratories Optical communication system
US4702550A (en) * 1982-03-08 1987-10-27 Fuji Electric Company, Ltd. Optical fiber frequency filter and multiplexer using same
SE430437B (sv) * 1982-03-15 1983-11-14 Asea Ab Fiberoptiskt metdon for metning av elektriska och magnetiska storheter
WO1983004150A1 (en) * 1982-05-06 1983-11-24 Nippon Telegraph And Telephone Public Corporation Method and device for separating position of fault in light transmission line
US4588255A (en) * 1982-06-21 1986-05-13 The Board Of Trustees Of The Leland Stanford Junior University Optical guided wave signal processor for matrix-vector multiplication and filtering
US4495656A (en) * 1982-09-13 1985-01-22 Stanford Junior University Fiber optic word generator
GB8311256D0 (en) * 1983-04-26 1983-06-02 Central Electr Generat Board Measuring external parameter
US4676584A (en) * 1983-06-22 1987-06-30 Metatech Corporation Fiber optic light coupling assemblies
JPS6088908A (ja) * 1983-10-20 1985-05-18 Furukawa Electric Co Ltd:The 光ケ−ブル線路
US4571024A (en) * 1983-10-25 1986-02-18 The United States Of America As Represented By The Secretary Of The Air Force Wavelength selective demultiplexer tuner
WO1985004064A1 (en) * 1984-03-05 1985-09-12 American Telephone & Telegraph Company Increased bit rate optical data stream
DE3409809A1 (de) * 1984-03-16 1985-09-19 Siemens AG, 1000 Berlin und 8000 München Sende- und/oder empfangseinrichtung fuer elektromagnetische strahlung
DE3528294A1 (de) * 1984-08-09 1986-02-20 Daimler-Benz Ag, 7000 Stuttgart Verfahren zur faseroptischen, spektral kodierten uebertragung des wertes einer veraenderlichen physikalischen messgroesse
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
US4673246A (en) * 1984-08-24 1987-06-16 Pacific Bell Patch unit for fiber optic distribution network
US4871225A (en) * 1984-08-24 1989-10-03 Pacific Bell Fiber optic distribution network
GB2166020B (en) * 1984-09-29 1988-05-18 Plessey Co Plc Otdr-uses multiple frequencies to detect distortions in an optical fibre
US4681395A (en) * 1985-02-22 1987-07-21 Eldec Corporation Time-domain intensity normalization for fiber optic sensing
WO1986005309A1 (en) * 1985-03-07 1986-09-12 British Telecommunications Public Limited Company Signal generation
DE3510704A1 (de) * 1985-03-23 1986-09-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisches messgeraet
DE3665786D1 (en) * 1985-06-19 1989-10-26 Framatome Sa Arrangement for the control and surveillance of an industrial plant by optical transmission of information and commands
FR2585159B1 (fr) * 1985-07-17 1988-09-16 Framatome Sa Dispositif de conduite et de surveillance d'une installation industrielle par transmission d'informations et d'ordres par voie optique
GB8525413D0 (en) * 1985-10-15 1985-11-20 Plessey Co Plc Optical communications system
GB8531150D0 (en) * 1985-12-18 1986-01-29 Smiths Industries Plc Optical multiplex systems
GB8615203D0 (en) * 1986-06-21 1986-07-23 Emi Plc Thorn Remote metering
US4750802A (en) * 1986-08-08 1988-06-14 Corning Glass Works Optical fiber dispersion compensator
US5189485A (en) * 1986-09-25 1993-02-23 The United States Of America As Represented By The United States Department Of Energy Wavelength meter having single mode fiber optics multiplexed inputs
DE3638455A1 (de) * 1986-11-11 1988-06-01 Licentia Gmbh Vorrichtung zur stoerungsfreien ermittlung der verstellung bzw. einstellung eines winkels oder weges eines codierte informationen aufweisenden traegers
FR2610104A1 (fr) * 1987-01-23 1988-07-29 Bertin & Cie Dispositif a fibres optiques pour la detection a distance de l'etat d'un parametre physique par rapport a au moins une valeur determinee
US4901306A (en) * 1987-02-24 1990-02-13 American Telephone And Telegraph Company, At&T Bell Laboratories Wavelength-division multiplexed optical fiber network
GB2202102B (en) * 1987-03-06 1991-05-22 Plessey Co Plc A data transmission system
DE3809453A1 (de) * 1987-04-13 1988-11-03 Kollmorgen Corp Optische multiplex-vorrichtung und verfahren zu deren anwendung
US5406553A (en) * 1987-11-27 1995-04-11 British Telecommunications Public Limited Company Apparatus and method for converting a frequency division multiplex to a time division multiplex
DE3820910A1 (de) * 1988-06-21 1989-12-28 Bayerische Motoren Werke Ag Fiberoptisches sensorsystem
DE3821814A1 (de) * 1988-06-29 1990-01-25 Battelle Institut E V Vorrichtung zur uebertragung von signalen zwischen einem sich drehenden teil und einem raumfesten teil
US4842357A (en) * 1988-08-08 1989-06-27 The Boeing Company Integrated wavelength division multiplexed optical sensor
US4956834A (en) * 1989-01-12 1990-09-11 The Boeing Company Coherence multiplexed optical signal transmission system and method
US4890893A (en) * 1989-03-02 1990-01-02 Bell Communications Research, Inc. Dark fiber switched bandwidth filter
US4959540A (en) * 1989-05-15 1990-09-25 International Business Machines Corporation Optical clock system with optical time delay means
US5017771A (en) * 1989-11-20 1991-05-21 The Boeing Company Position sensor using optical fibers and a variable filter
GB2250593B (en) * 1990-12-06 1994-04-27 Marconi Gec Ltd Improvements relating to optical sensing systems
GB9026588D0 (en) * 1990-12-06 1991-04-24 Marconi Gec Ltd Improvements relating to optical sensing systems
US5275053A (en) * 1991-08-21 1994-01-04 Fiberoptic Sensor Technologies, Inc. Fiber optic pressure sensor systems
FR2697910B1 (fr) * 1992-11-09 1995-01-13 Onera (Off Nat Aerospatiale) Dispositif de mesure d'une grandeur physique par codage temporel.
US5640472A (en) * 1995-06-07 1997-06-17 United Technologies Corporation Fiber optic sensor for magnetic bearings
US6256124B1 (en) * 1998-05-08 2001-07-03 All Optical Networks, Inc. Combination photonic time and wavelength division multiplexer
US7072588B2 (en) * 2000-10-03 2006-07-04 Halliburton Energy Services, Inc. Multiplexed distribution of optical power
DE10057178A1 (de) * 2000-11-17 2002-05-23 Lazar Bjelajac Dispersionswandler
US20030095675A1 (en) * 2001-10-19 2003-05-22 Marlow C. Allen Light communication channel-based voice-activated control system and method for implementing thereof
GB2384636A (en) * 2001-10-19 2003-07-30 Visteon Global Tech Inc Communication system with a signal conduction matrix and surface signal router
US20030090161A1 (en) * 2001-10-19 2003-05-15 Marlow C. Allen Light communication channel-based electronics power distribution system
US6949758B2 (en) * 2001-10-19 2005-09-27 Visteon Global Technologies, Inc. LCC-based fluid-level detection sensor
ES2555124T3 (es) * 2003-09-26 2015-12-29 Mbda Uk Limited Sistema óptico de formación de imágenes con líneas ópticas de retardo
CN105806954A (zh) * 2014-12-30 2016-07-27 中核武汉核电运行技术股份有限公司 基于光纤数据传输的分体式多通道超声检查系统
US9917650B2 (en) * 2015-09-25 2018-03-13 Transfert Plus, Société En Commandite Time sampled photodetector devices and methods
US10371559B2 (en) * 2017-04-17 2019-08-06 The Boeing Company Differential spectral liquid level sensor
US11976955B2 (en) 2018-09-21 2024-05-07 Ecolab Usa Inc. Portable fluid level monitoring device and method
FR3138209B1 (fr) * 2022-07-22 2024-07-12 Safran Système de mesure optique d’un niveau de liquide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2406165A (en) * 1944-07-01 1946-08-20 Rca Corp Communication system
BE478615A (pt) * 1946-07-04
US3342941A (en) * 1962-06-18 1967-09-19 Toyo Tsushinki Kabushiki Kaish Multi-channel carrier transmission system
US3603932A (en) * 1969-04-07 1971-09-07 Bell Telephone Labor Inc Party line stations for selective calling systems
US3676684A (en) * 1970-09-23 1972-07-11 Bell Telephone Labor Inc Frequency-division multiplex communication system
US3804988A (en) * 1972-07-14 1974-04-16 Carrier Tel Corp America Inc Carrier system for efficient connection of telephone subscribers to central office
US3838278A (en) * 1973-09-28 1974-09-24 Bell Telephone Labor Inc Optical switching network utilizing organ arrays of optical fibers
US3849604A (en) * 1973-09-28 1974-11-19 Bell Telephone Labor Inc Time-slot interchanger for time division multiplex system utilizing organ arrays of optical fibers

Also Published As

Publication number Publication date
AU3113677A (en) 1979-06-07
AU509982B2 (en) 1980-06-05
GB1540907A (en) 1979-02-21
CH625374A5 (pt) 1981-09-15
US4182935A (en) 1980-01-08

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