ES8105480A1 - Transductor optico para la deteccion y medida del movimiento - Google Patents
Transductor optico para la deteccion y medida del movimientoInfo
- Publication number
- ES8105480A1 ES8105480A1 ES494423A ES494423A ES8105480A1 ES 8105480 A1 ES8105480 A1 ES 8105480A1 ES 494423 A ES494423 A ES 494423A ES 494423 A ES494423 A ES 494423A ES 8105480 A1 ES8105480 A1 ES 8105480A1
- Authority
- ES
- Spain
- Prior art keywords
- fibre
- arrangement
- strain
- transmission times
- fibre bundle
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/126—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a housing, e.g. a box, a safe, or a room
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
- G01F1/325—Means for detecting quantities used as proxy variables for swirl
- G01F1/3259—Means for detecting quantities used as proxy variables for swirl for detecting fluid pressure oscillations
- G01F1/3266—Means for detecting quantities used as proxy variables for swirl for detecting fluid pressure oscillations by sensing mechanical vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Abstract
TRANSDUCTOR OPTICO PARA LA DETECCION Y MEDIDA DEL MOVIMIENTO. COMPRENDE UNA FUENTE DE LUZ COHERENTE CONSISTENTE EN UN LASER SEMICONDUCTOR, UNO O MAS DIODOS PIN DE SILICIO DE DETECCION OPTICA Y, ACOPLADA ENTRE LA FUENTE DE LUZ Y LOS DIODOS DE DETECCION, UNA FIBRA OPTICA DE MODOS MULTIPLES QUE GENERAN UNA CANTIDAD DE CAMINOS PARA LA LUZ. EN LA ZONA DE LOS DIODOS SE CREA UN DIAGRAMA DE MANCHAS DE INTERFERENCIAS EN EL CUAL UNA FLEXION EN LA LINEA DE TRANSMISION CAMBIA LA LONGITUD RELATIVA DE LOS CITADOS CAMINOS PARA LA LUZ, CAUSANDO CON ELLO UN DESPLAZAMIENTO EN DICHOS DIAGRAMAS DE MANCHAS Y PRODUCIENDO LA SALIDA DE LOS DIODOS PIN.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7929353A GB2057120B (en) | 1979-08-23 | 1979-08-23 | Fibre optic transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
ES494423A0 ES494423A0 (es) | 1981-06-16 |
ES8105480A1 true ES8105480A1 (es) | 1981-06-16 |
Family
ID=10507381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES494423A Expired ES8105480A1 (es) | 1979-08-23 | 1980-08-22 | Transductor optico para la deteccion y medida del movimiento |
Country Status (3)
Country | Link |
---|---|
US (1) | US4339661A (es) |
ES (1) | ES8105480A1 (es) |
GB (1) | GB2057120B (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2116701B (en) * | 1982-03-02 | 1985-09-25 | Itt Ind Ltd | Fluid flowmeter |
US4525626A (en) * | 1982-03-24 | 1985-06-25 | Sperry Corporation | Fiber optic vibration modal sensor |
FR2535457A1 (fr) * | 1982-10-29 | 1984-05-04 | Petron Ltd | Dispositif de mesure de charge |
JPS62192633A (ja) * | 1986-02-19 | 1987-08-24 | Ngk Spark Plug Co Ltd | アルコ−ル混合燃料の混合比センサ |
US4854706A (en) * | 1987-07-27 | 1989-08-08 | Virginia Tech Intellectual Properties, Inc. | Modal domain optical fiber sensors |
US4794800A (en) * | 1987-10-01 | 1989-01-03 | General Dynamics Corporation | Wire sensing and measurement apparatus |
NO166379C (no) * | 1987-12-18 | 1991-07-10 | Sensorteknikk As | Fremgangsmaate for registrering av flerfase stroemninger gjennom et transportsystem. |
US4863270A (en) * | 1988-08-31 | 1989-09-05 | Simmonds Precision Products, Inc. | Multi-mode optical fiber sensor and method |
GB2238380A (en) * | 1989-11-23 | 1991-05-29 | Hughes Microelectronics Ltd | Vortex shedding flowmeter |
US5212379A (en) * | 1991-12-06 | 1993-05-18 | Alamed Corporation | Fiber optical monitor for detecting motion based on changes in speckle patterns |
US5291013A (en) * | 1991-12-06 | 1994-03-01 | Alamed Corporation | Fiber optical monitor for detecting normal breathing and heartbeat motion based on changes in speckle patterns |
US5827976A (en) * | 1995-06-12 | 1998-10-27 | Bowles Fluidics Corporation | Fluidic flow meter with fiber optic sensor |
US6170338B1 (en) | 1997-03-27 | 2001-01-09 | Rosemont Inc. | Vortex flowmeter with signal processing |
CN100523742C (zh) | 2004-03-25 | 2009-08-05 | 罗斯蒙德公司 | 用于测量管道内的过程流体的特性的系统 |
US9391216B2 (en) * | 2008-06-06 | 2016-07-12 | Orbital Atk, Inc. | Optical coupled sensors for harsh environments |
US8345229B2 (en) * | 2009-09-28 | 2013-01-01 | At&T Intellectual Property I, L.P. | Long distance optical fiber sensing system and method |
DE102011118921B4 (de) * | 2011-11-21 | 2014-02-27 | Krohne Messtechnik Gmbh | Vortex-Durchflussmessgerät und diesbezügliche Faserdurchführung |
DE102015100213B3 (de) * | 2015-01-09 | 2016-05-25 | Helmholtz-Zentrum Dresden - Rossendorf E.V. | Anordnung zum Erfassen des Strömungsgeschwindigkeits-Feldes einer Fluidströmung in einem Strömungsquerschnitt |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297684A (en) * | 1979-03-26 | 1981-10-27 | Honeywell Inc. | Fiber optic intruder alarm system |
-
1979
- 1979-08-23 GB GB7929353A patent/GB2057120B/en not_active Expired
-
1980
- 1980-07-11 US US06/167,407 patent/US4339661A/en not_active Expired - Lifetime
- 1980-08-22 ES ES494423A patent/ES8105480A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES494423A0 (es) | 1981-06-16 |
US4339661A (en) | 1982-07-13 |
GB2057120A (en) | 1981-03-25 |
GB2057120B (en) | 1983-05-25 |
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