ES2170370T3 - Aparato con circuito optico con trayectoria de retroceso para la medicion de magnitudes fisicas, poseyendo elevado grado de rechazo de ruidos ambientales. - Google Patents

Aparato con circuito optico con trayectoria de retroceso para la medicion de magnitudes fisicas, poseyendo elevado grado de rechazo de ruidos ambientales.

Info

Publication number
ES2170370T3
ES2170370T3 ES97910449T ES97910449T ES2170370T3 ES 2170370 T3 ES2170370 T3 ES 2170370T3 ES 97910449 T ES97910449 T ES 97910449T ES 97910449 T ES97910449 T ES 97910449T ES 2170370 T3 ES2170370 T3 ES 2170370T3
Authority
ES
Spain
Prior art keywords
optical circuit
optical
rejection
measurement
environmental noises
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES97910449T
Other languages
English (en)
Inventor
Umberto Sardo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefo Sistemi Srl
Original Assignee
Telefo Sistemi Srl
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 Telefo Sistemi Srl filed Critical Telefo Sistemi Srl
Application granted granted Critical
Publication of ES2170370T3 publication Critical patent/ES2170370T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01D5/32—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
    • 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)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

APARATO PARA MEDIR CANTIDADES FISICAS DEL TIPO QUE UTILIZA UN TRANSDUCTOR OPTICO PARA TRANSFORMAR LAS VARIACIONES DE UNA CANTIDAD FISICA O PERTURBACION EN UNA VARIACION DEL ESTADO DE POLARIZACION DE UN HAZ DE LUZ POLARIZADO EN EL QUE: SE INSERTA EL TRANSDUCTOR (38; 48A; 58A; 68; 78) EN UN CIRCUITO OPTICO (I) DOTADO DE DIVISORES DE HACES POLARIZADORES (33A, 33B; 43A; 43B; 53A; 53B; 63A; 63B; 73A; 73B) PARA DIVIDIR EL HAZ DE LUZ EN COMPONENTES CON DISTINTO ESTADO DE POLARIZACION Y PARA ENVIARLOS A LO LARGO DE UNA PRIMERA TRAYECTORIA OPTICA (A) Y UNA SEGUNDA TRAYECTORIA OPTICA (B) SIENDO DISTINTOS UNO DE OTRO Y QUE SE RECOMBINAN EN OTROS DIVISORES DE HACES POLARIZADORES (33A, 33B; 43A; 43B; 53A; 53B; 63A; 63B; 73A; 73B) DISPUESTOS EN LA SALIDA DEL CIRCUITO OPTICO (I); SE PROPORCIONA UN ELEMENTO REFLECTOR (6; 16; 36; 76) EN LA SALIDA DEL CIRCUITO OPTICO (I) QUE REFLEJA EL HAZ DE LUZ EN EL CIRCUITO OPTICO (I) CON UN ESTADO DE POLARIZACION DISTINTO.
ES97910449T 1996-10-17 1997-10-17 Aparato con circuito optico con trayectoria de retroceso para la medicion de magnitudes fisicas, poseyendo elevado grado de rechazo de ruidos ambientales. Expired - Lifetime ES2170370T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96TO000850A IT1288763B1 (it) 1996-10-17 1996-10-17 Apparecchio a circuito ottico ritracciante per la misura di grandezze fisiche insensibile a perturbazioni ambientali

Publications (1)

Publication Number Publication Date
ES2170370T3 true ES2170370T3 (es) 2002-08-01

Family

ID=11414971

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97910449T Expired - Lifetime ES2170370T3 (es) 1996-10-17 1997-10-17 Aparato con circuito optico con trayectoria de retroceso para la medicion de magnitudes fisicas, poseyendo elevado grado de rechazo de ruidos ambientales.

Country Status (10)

Country Link
US (1) US6404503B1 (es)
EP (1) EP0932818B1 (es)
JP (1) JP2001502798A (es)
KR (1) KR20000049227A (es)
AU (1) AU721687B2 (es)
CA (1) CA2268913C (es)
DE (1) DE69709385T2 (es)
ES (1) ES2170370T3 (es)
IT (1) IT1288763B1 (es)
WO (1) WO1998017976A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8387138B2 (en) 2006-03-21 2013-02-26 At&T Intellectual Property I, L.P. Security scanning system and method
CN102565496A (zh) * 2011-11-23 2012-07-11 哈尔滨工业大学 双向传输的光学电流传感器
US8781266B2 (en) * 2011-12-23 2014-07-15 General Electric Company Distributed, multiplexed fiber optic current transducer using optical power division
KR101889977B1 (ko) * 2016-12-19 2018-08-20 (주)에프비지코리아 광섬유 격자센서를 이용한 변위 측정장치 및 그의 감도 및 내구성 조절방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228128A (ja) * 1983-06-09 1984-12-21 Hitachi Cable Ltd 偏波面保存光フアイバを用いた光センサ
DE3607462A1 (de) * 1986-03-07 1987-09-10 Philips Patentverwaltung Anordnung zur messung der spannungsdoppelbrechung eines optischen sensors
DE8908763U1 (de) * 1989-07-19 1990-11-15 MWB Messwandler-Bau AG, 8600 Bamberg Faseroptischer Stromwandler zum Messen der Stärke eines elektrischen Stromes
FR2657161B1 (fr) * 1990-01-12 1994-05-27 Bertin & Cie Dispositif de detection a distance d'une grandeur physique, fonctionnant en reflexion.
DE4311328A1 (de) * 1993-04-06 1994-10-13 Siemens Ag Optische Meßanordnung zum Messen eines elektrischen Stromes mit verflochtenen Übertragungsleitungen
ES1033613Y (es) * 1995-09-19 1997-03-16 Hierro Jose Miguel Perez Sistema modular bi/tridimensionalizable articulable.

Also Published As

Publication number Publication date
CA2268913A1 (en) 1998-04-30
IT1288763B1 (it) 1998-09-24
AU4782497A (en) 1998-05-15
CA2268913C (en) 2005-12-06
US6404503B1 (en) 2002-06-11
KR20000049227A (ko) 2000-07-25
AU721687B2 (en) 2000-07-13
WO1998017976A1 (en) 1998-04-30
ITTO960850A1 (it) 1998-04-17
DE69709385D1 (de) 2002-01-31
EP0932818B1 (en) 2001-12-19
DE69709385T2 (de) 2002-08-14
JP2001502798A (ja) 2001-02-27
EP0932818A1 (en) 1999-08-04

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