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
Links
- 230000003287 optical effect Effects 0.000 title abstract 8
- 230000007613 environmental effect Effects 0.000 title 1
- 238000005259 measurement Methods 0.000 title 1
- 230000010287 polarization Effects 0.000 abstract 3
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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measuring Magnetic Variables (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.
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)
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)
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. |
-
1996
- 1996-10-17 IT IT96TO000850A patent/IT1288763B1/it active IP Right Grant
-
1997
- 1997-10-17 KR KR1019990703329A patent/KR20000049227A/ko not_active Application Discontinuation
- 1997-10-17 ES ES97910449T patent/ES2170370T3/es not_active Expired - Lifetime
- 1997-10-17 EP EP97910449A patent/EP0932818B1/en not_active Expired - Lifetime
- 1997-10-17 AU AU47824/97A patent/AU721687B2/en not_active Ceased
- 1997-10-17 DE DE69709385T patent/DE69709385T2/de not_active Expired - Fee Related
- 1997-10-17 JP JP10518936A patent/JP2001502798A/ja active Pending
- 1997-10-17 US US09/284,548 patent/US6404503B1/en not_active Expired - Fee Related
- 1997-10-17 CA CA002268913A patent/CA2268913C/en not_active Expired - Fee Related
- 1997-10-17 WO PCT/EP1997/005725 patent/WO1998017976A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US6404503B1 (en) | 2002-06-11 |
ITTO960850A1 (it) | 1998-04-17 |
AU4782497A (en) | 1998-05-15 |
JP2001502798A (ja) | 2001-02-27 |
DE69709385T2 (de) | 2002-08-14 |
IT1288763B1 (it) | 1998-09-24 |
EP0932818A1 (en) | 1999-08-04 |
KR20000049227A (ko) | 2000-07-25 |
WO1998017976A1 (en) | 1998-04-30 |
DE69709385D1 (de) | 2002-01-31 |
CA2268913A1 (en) | 1998-04-30 |
CA2268913C (en) | 2005-12-06 |
EP0932818B1 (en) | 2001-12-19 |
AU721687B2 (en) | 2000-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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