NO850379L - Fiberoptisk modulator og datamultiplekser. - Google Patents
Fiberoptisk modulator og datamultiplekser.Info
- Publication number
- NO850379L NO850379L NO850379A NO850379A NO850379L NO 850379 L NO850379 L NO 850379L NO 850379 A NO850379 A NO 850379A NO 850379 A NO850379 A NO 850379A NO 850379 L NO850379 L NO 850379L
- Authority
- NO
- Norway
- Prior art keywords
- fiber
- section
- signal
- optical fiber
- return
- Prior art date
Links
- 239000000835 fiber Substances 0.000 claims description 214
- 239000013307 optical fiber Substances 0.000 claims description 54
- 230000003287 optical effect Effects 0.000 claims description 44
- 230000008878 coupling Effects 0.000 claims description 40
- 238000010168 coupling process Methods 0.000 claims description 40
- 238000005859 coupling reaction Methods 0.000 claims description 40
- 230000000694 effects Effects 0.000 claims description 36
- 230000004044 response Effects 0.000 claims description 35
- 238000005253 cladding Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001902 propagating effect Effects 0.000 claims description 8
- 238000013480 data collection Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 14
- 229920001971 elastomer Polymers 0.000 description 12
- 239000012530 fluid Substances 0.000 description 11
- 238000002310 reflectometry Methods 0.000 description 10
- 230000001052 transient effect Effects 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001808 coupling effect Effects 0.000 description 5
- 229920002379 silicone rubber Polymers 0.000 description 5
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- 238000003491 array Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 4
- 230000036962 time dependent Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
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- 239000013013 elastic material Substances 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
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- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
- G02B6/283—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
-
- 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
- G01D5/353—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 influencing the transmission properties of an optical fibre
- G01D5/35383—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 influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Selective Calling Equipment (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Communication System (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/596,889 US4545253A (en) | 1983-08-29 | 1984-04-05 | Fiber optical modulator and data multiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO850379L true NO850379L (no) | 1985-10-07 |
Family
ID=24389148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO850379A NO850379L (no) | 1984-04-05 | 1985-01-31 | Fiberoptisk modulator og datamultiplekser. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4545253A (es) |
| JP (1) | JPS60243586A (es) |
| AU (1) | AU4089885A (es) |
| CA (1) | CA1213990A (es) |
| ES (1) | ES8603668A1 (es) |
| FR (1) | FR2562741A1 (es) |
| GB (1) | GB2157014B (es) |
| NL (1) | NL8500718A (es) |
| NO (1) | NO850379L (es) |
Families Citing this family (74)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2156513B (en) * | 1984-03-28 | 1988-05-25 | Plessey Co Plc | Temperature measuring arrangements |
| DE3432239A1 (de) * | 1984-09-01 | 1986-03-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Optischer multiplexer/demultiplexer |
| GB2166020B (en) * | 1984-09-29 | 1988-05-18 | Plessey Co Plc | Otdr-uses multiple frequencies to detect distortions in an optical fibre |
| US4634858A (en) * | 1984-10-17 | 1987-01-06 | Sperry Corporation | Variable coupler fiberoptic sensor |
| GB2170593B (en) * | 1985-02-01 | 1988-09-14 | Central Electr Generat Board | Temperature measurement |
| US4770535A (en) * | 1985-02-08 | 1988-09-13 | The Board Of Trustees Of The Leland Stanford Junior University | Distributed sensor array and method using a pulsed signal source |
| US4648082A (en) * | 1985-03-04 | 1987-03-03 | Western Geophysical Company Of America | Marine acoustic gradient sensor |
| GB8511688D0 (en) * | 1985-05-09 | 1985-06-19 | British Telecomm | Frequency locking electromagnetic signals |
| GB8520827D0 (en) * | 1985-08-20 | 1985-09-25 | York Ventures & Special Optica | Fibre-optic sensing devices |
| US6515939B1 (en) * | 1985-09-04 | 2003-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Pulse sampled optical fiber hydrophone array (U) |
| GB8525413D0 (en) * | 1985-10-15 | 1985-11-20 | Plessey Co Plc | Optical communications system |
| US4649529A (en) * | 1985-12-02 | 1987-03-10 | Exxon Production Research Co. | Multi-channel fiber optic sensor system |
| GB8609732D0 (en) * | 1986-04-22 | 1986-05-29 | Plessey Co Plc | Optical fibre sensing systems |
| US4777661A (en) * | 1986-09-22 | 1988-10-11 | Simmonds Precision Products, Inc. | Apparatus and method for self-referencing and multiplexing intensity modulating fiber optic sensors |
| US4787741A (en) * | 1986-10-09 | 1988-11-29 | Mcdonnell Douglas Corporation | Fiber optic sensor |
| US4748686A (en) * | 1986-10-15 | 1988-05-31 | United Technologies Corporation | Coherence multiplexed optical position transducer |
| GB2196424A (en) * | 1986-10-24 | 1988-04-27 | Boc Group Plc | Detecting swelling beneath the skin |
| US4775216A (en) * | 1987-02-02 | 1988-10-04 | Litton Systems, Inc. | Fiber optic sensor array and method |
| US4784453A (en) * | 1987-02-02 | 1988-11-15 | Litton Systems, Inc. | Backward-flow ladder architecture and method |
| US4778239A (en) * | 1987-02-02 | 1988-10-18 | Litton Systems, Inc. | Feed-backward lattice architecture and method |
| DE3776157D1 (de) * | 1987-06-04 | 1992-02-27 | Walter Lukosz | Optisches modulations- und mess-verfahren. |
| WO1989001614A1 (en) * | 1987-07-28 | 1989-02-23 | Grumman Aerospace Corporation | Discrete strain sensor |
| US4947693A (en) * | 1987-07-28 | 1990-08-14 | Grumman Aerospace Corporation | Discrete strain sensor |
| US4799752A (en) * | 1987-09-21 | 1989-01-24 | Litton Systems, Inc. | Fiber optic gradient hydrophone and method of using same |
| US4818064A (en) * | 1987-09-24 | 1989-04-04 | Board Of Trustees Stanford Junior University | Sensor array and method of selective interferometric sensing by use of coherence synthesis |
| FR2626429B1 (fr) * | 1988-01-25 | 1990-05-11 | Thomson Csf | Hydrophone a fibre optique et antenne associant une serie d'hydrophones |
| US4889986A (en) * | 1988-08-18 | 1989-12-26 | The United States Of America As Represented By The Secretary Of The Navy | Serial interferometric fiber-optic sensor array |
| GB2228641B (en) * | 1989-02-28 | 1994-03-23 | Megger Instr Ltd | Measuring instrument |
| US4986671A (en) * | 1989-04-12 | 1991-01-22 | Luxtron Corporation | Three-parameter optical fiber sensor and system |
| US5039221A (en) * | 1989-07-03 | 1991-08-13 | Litton Systems, Inc. | Interferometer calibration for fiber optic sensor arrays |
| US5671191A (en) * | 1989-07-06 | 1997-09-23 | Sperry Marine Inc. | Variable coupler fiber optic sensor hydrophone |
| US5787053A (en) * | 1989-07-07 | 1998-07-28 | The United States Of America As Represented By The Secretary Of The Navy | Continuous fiber pulse reflecting means |
| GB8919799D0 (en) * | 1989-09-01 | 1989-10-18 | British Telecomm | Optical coupler |
| GB2252176B (en) * | 1989-09-01 | 1993-11-17 | British Telecomm | Optical coupler |
| GB8928237D0 (en) * | 1989-12-14 | 1990-02-21 | British Telecomm | Lossless optical component |
| US5475216A (en) * | 1990-05-22 | 1995-12-12 | Danver; Bruce A. | Fiber optic sensor having mandrel wound reference and sensing arms |
| US5155548A (en) * | 1990-05-22 | 1992-10-13 | Litton Systems, Inc. | Passive fiber optic sensor with omnidirectional acoustic sensor and accelerometer |
| GB2248928A (en) * | 1990-10-19 | 1992-04-22 | Marconi Gec Ltd | Optical fibre reflector |
| US5140154A (en) * | 1991-01-16 | 1992-08-18 | The United States Of America As Represented By The Secretary Of The Navy | Inline fiber optic sensor arrays with delay elements coupled between sensor units |
| FR2673713B1 (fr) * | 1991-03-07 | 1993-06-25 | Framatome Sa | Capteur optique, en particulier capteur de pression et procede de mesure optique correspondant. |
| US5201015A (en) * | 1991-09-19 | 1993-04-06 | Litton Systems, Inc. | Conformal fiber optic strain sensor |
| EP0553675A1 (de) * | 1992-01-29 | 1993-08-04 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Überwachung der Temperatur in einem Turbinenbauteil |
| US5247490A (en) * | 1992-06-04 | 1993-09-21 | Martin Marietta Corporation | Pressure-compensated optical acoustic sensor |
| EP0895075A3 (en) * | 1997-07-31 | 1999-10-20 | Litton Systems, Inc. | Time-division multiplexed array of optical non-acoustic pressure sensors |
| US6016702A (en) * | 1997-09-08 | 2000-01-25 | Cidra Corporation | High sensitivity fiber optic pressure sensor for use in harsh environments |
| US5877999A (en) * | 1997-12-15 | 1999-03-02 | Lucent Technologies Inc. | Method and apparatus of interrogating a distributed undersea optical surveillance system |
| US6097486A (en) * | 1998-04-03 | 2000-08-01 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic acoustic sensor array based on Sagnac interferometer |
| US6034924A (en) * | 1998-04-03 | 2000-03-07 | The Board Of Trustees Of The Leland Stanford Junior Univerisity | Folded sagnac sensor array |
| US6678211B2 (en) | 1998-04-03 | 2004-01-13 | The Board Of Trustees Of The Leland Stanford Junior University | Amplified tree structure technology for fiber optic sensor arrays |
| US6667935B2 (en) | 1998-04-03 | 2003-12-23 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array |
| US6278657B1 (en) | 1998-04-03 | 2001-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Folded sagnac sensor array |
| CA2278356C (en) * | 1998-07-31 | 2005-03-22 | David B. Hall | Optical waveguide sensor system for remote detection |
| US6463187B1 (en) | 1998-08-24 | 2002-10-08 | Empirical Technologies Corporation | Variable coupler fiberoptic sensor and sensing apparatus using the sensor |
| US6907148B2 (en) | 1998-08-24 | 2005-06-14 | Empirical Technologies Corporation | Sensing apparatus employing variable coupler fiberoptic sensor |
| US6687424B1 (en) | 1998-08-24 | 2004-02-03 | Empirical Technologies Corporation | Sensing pad assembly employing variable coupler fiberoptic sensor |
| US6723054B1 (en) | 1998-08-24 | 2004-04-20 | Empirical Technologies Corporation | Apparatus and method for measuring pulse transit time |
| US6161433A (en) * | 1999-10-15 | 2000-12-19 | Geosensor Corporation | Fiber optic geophone |
| US6728165B1 (en) | 1999-10-29 | 2004-04-27 | Litton Systems, Inc. | Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
| US6724319B1 (en) | 1999-10-29 | 2004-04-20 | Litton Systems, Inc. | Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
| JP2002082016A (ja) * | 2000-09-06 | 2002-03-22 | Ando Electric Co Ltd | 可変波長光源装置 |
| JP2006251703A (ja) * | 2005-03-14 | 2006-09-21 | Denso Corp | 光ファイバセンサ |
| US7574082B2 (en) * | 2007-03-28 | 2009-08-11 | Verizon Services Organization Inc. | Optical power monitoring with robotically moved macro-bending |
| US8342005B2 (en) * | 2008-12-01 | 2013-01-01 | Lawrence Livermore National Security, Llc | Micro-optical-mechanical system photoacoustic spectrometer |
| FR2946140B1 (fr) * | 2009-05-29 | 2011-12-09 | Ixsea | Hydrophone a fibre a reseau de bragg avec amplificateur a membrane |
| FR2946141B1 (fr) * | 2009-05-29 | 2011-09-30 | Ixsea | Hydrophone a fibre a reseau de bragg avec amplificateur a soufflet |
| CA2782773C (en) * | 2009-12-23 | 2017-04-11 | Shell Internationale Research Maatschappij B.V. | Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly |
| US9109944B2 (en) | 2009-12-23 | 2015-08-18 | Shell Oil Company | Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly |
| FR2974263B1 (fr) * | 2011-04-14 | 2014-10-24 | Thales Sa | Hydrophone tout optique insensible a la temperature et a la pression statique |
| GB201112161D0 (en) * | 2011-07-15 | 2011-08-31 | Qinetiq Ltd | Portal monitoring |
| EP2961085B1 (en) * | 2014-06-26 | 2016-08-17 | ADVA Optical Networking SE | An optical coupler device and an optical monitoring device for monitoring one or more optical point-to-point transmission links |
| WO2016103201A1 (en) * | 2014-12-23 | 2016-06-30 | Eni S.P.A. | Reflectometric vibration measurement system and relative method for monitoring multiphase flows |
| CN110673202A (zh) * | 2019-09-25 | 2020-01-10 | 山东省科学院激光研究所 | 一种基于光纤激光传感器的远距离大规模传感探测系统 |
| EP3851886A1 (en) * | 2020-01-16 | 2021-07-21 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO | A photonic integrated device for converting a light signal into sound |
| CN114659613B (zh) * | 2022-03-28 | 2023-08-01 | 中国电子科技集团公司第三十四研究所 | 基于相位解调的分布式光纤扰动信号模拟设备及使用方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071753A (en) * | 1975-03-31 | 1978-01-31 | Gte Laboratories Incorporated | Transducer for converting acoustic energy directly into optical energy |
| FR2460582A1 (fr) * | 1979-06-29 | 1981-01-23 | Thomson Csf | Hydrophone a fibre optique monomode fonctionnant par effet elasto-optique |
| US4295738A (en) * | 1979-08-30 | 1981-10-20 | United Technologies Corporation | Fiber optic strain sensor |
| US4286468A (en) * | 1979-09-04 | 1981-09-01 | The United States Of America As Represented By The Secretary Of The Navy | Frustrated total internal reflection fiber-optic small-motion sensor for hydrophone use |
| US4471474A (en) * | 1979-09-28 | 1984-09-11 | Hughes Aircraft Company | Coupled waveguide acousto-optic hydrophone |
| US4268116A (en) * | 1979-10-26 | 1981-05-19 | Optelecom Incorporated | Method and apparatus for radiant energy modulation in optical fibers |
| US4363533A (en) * | 1979-12-26 | 1982-12-14 | Gould Inc. | Concentric fiber optical transducer |
| US4313185A (en) * | 1979-12-31 | 1982-01-26 | General Electric Company | Acoustic vibration sensor and sensing system |
| US4302835A (en) * | 1980-01-24 | 1981-11-24 | Sperry Corporation | Multiple terminal passive multiplexing apparatus |
| US4390974A (en) * | 1981-01-08 | 1983-06-28 | Litton Resources Systems, Inc. | Seismic data telemetric system |
| US4360247A (en) * | 1981-01-19 | 1982-11-23 | Gould Inc. | Evanescent fiber optic pressure sensor apparatus |
| US4432599A (en) * | 1981-03-27 | 1984-02-21 | Sperry Corporation | Fiber optic differential sensor |
| US4461536A (en) * | 1981-09-10 | 1984-07-24 | Board Of Trustees Of Leland Stanford Jr. University | Fiber coupler displacement transducer |
| US4436365A (en) * | 1981-10-21 | 1984-03-13 | Bell Telephone Laboratories, Incorporated | Data link using integrated optics devices |
| US4475033A (en) * | 1982-03-08 | 1984-10-02 | Northern Telecom Limited | Positioning device for optical system element |
| US4486657A (en) * | 1982-05-27 | 1984-12-04 | The United States Of America As Represented By The Secretary Of The Navy | Phase-lock fiber optic interferometer |
| GB2125179B (en) * | 1982-08-03 | 1986-08-06 | Standard Telephones Cables Ltd | Distributed sensors |
| GB2136113B (en) * | 1983-03-05 | 1986-08-06 | Plessey Co Plc | Improvements relating to optical sensing systems |
-
1984
- 1984-04-05 US US06/596,889 patent/US4545253A/en not_active Expired - Fee Related
-
1985
- 1985-01-31 NO NO850379A patent/NO850379L/no unknown
- 1985-02-12 CA CA000474094A patent/CA1213990A/en not_active Expired
- 1985-02-25 ES ES540678A patent/ES8603668A1/es not_active Expired
- 1985-02-28 GB GB08505094A patent/GB2157014B/en not_active Expired
- 1985-03-13 NL NL8500718A patent/NL8500718A/nl not_active Application Discontinuation
- 1985-03-29 JP JP60066388A patent/JPS60243586A/ja active Pending
- 1985-04-04 AU AU40898/85A patent/AU4089885A/en not_active Abandoned
- 1985-04-04 FR FR8505128A patent/FR2562741A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU4089885A (en) | 1985-10-10 |
| GB8505094D0 (en) | 1985-03-27 |
| ES540678A0 (es) | 1985-12-16 |
| GB2157014A (en) | 1985-10-16 |
| US4545253A (en) | 1985-10-08 |
| ES8603668A1 (es) | 1985-12-16 |
| GB2157014B (en) | 1987-10-07 |
| FR2562741A1 (fr) | 1985-10-11 |
| JPS60243586A (ja) | 1985-12-03 |
| NL8500718A (nl) | 1985-11-01 |
| CA1213990A (en) | 1986-11-12 |
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