CH625374A5 - - Google Patents

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Publication number
CH625374A5
CH625374A5 CH1496277A CH1496277A CH625374A5 CH 625374 A5 CH625374 A5 CH 625374A5 CH 1496277 A CH1496277 A CH 1496277A CH 1496277 A CH1496277 A CH 1496277A CH 625374 A5 CH625374 A5 CH 625374A5
Authority
CH
Switzerland
Prior art keywords
fiber
devices
optical
receiver
sensor
Prior art date
Application number
CH1496277A
Other languages
German (de)
English (en)
Inventor
Martin 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 CH625374A5 publication Critical patent/CH625374A5/de

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)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CH1496277A 1976-12-07 1977-12-07 CH625374A5 (fr)

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
CH625374A5 true CH625374A5 (fr) 1981-09-15

Family

ID=10458115

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1496277A CH625374A5 (fr) 1976-12-07 1977-12-07

Country Status (5)

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

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US4495656A (en) * 1982-09-13 1985-01-22 Stanford Junior University Fiber optic word generator
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JPS61501363A (ja) * 1984-03-05 1986-07-03 アメリカン テレフオン アンド テレグラフ カムパニ− 光デ−タ流のビット速度の向上
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
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EP0206901B1 (fr) * 1985-06-19 1989-09-20 Framatome Dispositif de conduite et de surveillance d'une installation industrielle par transmission d'informations et d'ordres par voie optique
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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
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GB2385665B (en) * 2001-10-19 2004-06-02 Visteon Global Tech Inc Engine combustion monitoring and control with intergrated cylinder head gasket combustion sensor
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WO2005031385A1 (fr) * 2003-09-26 2005-04-07 Mbda Uk Limited Systeme d'imagerie optique comprenant des lignes a retard optique
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
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Also Published As

Publication number Publication date
US4182935A (en) 1980-01-08
BR7708011A (pt) 1979-06-05
AU509982B2 (en) 1980-06-05
AU3113677A (en) 1979-06-07
GB1540907A (en) 1979-02-21

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PL Patent ceased