NO860432L - Fordelt avfoeler og fremgangsmaate som anvender sammenhengsmultipleksing av fiber-optiske interferometriske avfoelere. - Google Patents
Fordelt avfoeler og fremgangsmaate som anvender sammenhengsmultipleksing av fiber-optiske interferometriske avfoelere.Info
- Publication number
- NO860432L NO860432L NO860432A NO860432A NO860432L NO 860432 L NO860432 L NO 860432L NO 860432 A NO860432 A NO 860432A NO 860432 A NO860432 A NO 860432A NO 860432 L NO860432 L NO 860432L
- Authority
- NO
- Norway
- Prior art keywords
- optical
- light
- fiber
- paths
- interferometer
- Prior art date
Links
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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
-
- 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
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/14—Mode converters
-
- 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
-
- 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
-
- 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
- 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
- G02B6/2843—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 the couplers having polarisation maintaining or holding properties
-
- 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
- G02B6/2861—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 fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/002—Coherencemultiplexing
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69984185A | 1985-02-08 | 1985-02-08 | |
| US06/738,678 US4699513A (en) | 1985-02-08 | 1985-05-28 | Distributed sensor and method using coherence multiplexing of fiber-optic interferometric sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO860432L true NO860432L (no) | 1986-08-11 |
Family
ID=27106504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO860432A NO860432L (no) | 1985-02-08 | 1986-02-07 | Fordelt avfoeler og fremgangsmaate som anvender sammenhengsmultipleksing av fiber-optiske interferometriske avfoelere. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4699513A (fr) |
| EP (1) | EP0191588B1 (fr) |
| JP (1) | JPH0781888B2 (fr) |
| KR (1) | KR970001415B1 (fr) |
| AT (1) | ATE87363T1 (fr) |
| AU (1) | AU5270886A (fr) |
| CA (1) | CA1276078C (fr) |
| DE (1) | DE3688091T2 (fr) |
| NO (1) | NO860432L (fr) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768851A (en) * | 1983-11-30 | 1988-09-06 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic modal coupler, interferometer and method of coupling spatial modes using same |
| US4873989A (en) * | 1984-03-08 | 1989-10-17 | Optical Technologies, Inc. | Fluid flow sensing apparatus for in vivo and industrial applications employing novel optical fiber pressure sensors |
| 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 |
| DE3505636A1 (de) * | 1985-02-19 | 1986-08-21 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Optisches bauelement |
| DE3605248A1 (de) * | 1986-02-19 | 1987-09-03 | Standard Elektrik Lorenz Ag | Optischer sende/empfangsmodul |
| FR2595820B1 (fr) * | 1986-03-13 | 1990-01-05 | Bertin & Cie | Dispositif a fibres optiques pour la detection a distance d'une grandeur physique, en particulier de la temperature |
| US4768880A (en) * | 1986-06-23 | 1988-09-06 | The Board Of Trustees Of The Leland Stanford Junior University | System and method for accurate loop length determination in fiber-optic sensors and signal processors |
| 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 |
| US4868381A (en) * | 1986-10-03 | 1989-09-19 | Optical Technologies, Inc. | Fiber optic interferometric thermometer |
| US4775216A (en) * | 1987-02-02 | 1988-10-04 | Litton Systems, Inc. | Fiber optic sensor array and method |
| US4915468A (en) * | 1987-02-20 | 1990-04-10 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus using two-mode optical waveguide with non-circular core |
| US4843586A (en) * | 1987-04-28 | 1989-06-27 | Hewlett-Packard Company | Distributed sampling of electrical and optical signals using coded switched electrode travelling wave modulators |
| US4779975A (en) * | 1987-06-25 | 1988-10-25 | The Board Of Trustees Of The Leland Stanford Junior University | Interferometric sensor using time domain measurements |
| 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 |
| US4866698A (en) * | 1987-11-17 | 1989-09-12 | The Boeing Company | Multiplexed optical communication system |
| FR2626367B1 (fr) * | 1988-01-25 | 1990-05-11 | Thomson Csf | Capteur de temperature multipoints a fibre optique |
| WO1989011110A1 (fr) * | 1988-05-12 | 1989-11-16 | The Commonwealth Of Australia Of Department Of Def | Reseau de fibres optiques interferometrique |
| FR2634080B1 (fr) * | 1988-07-08 | 1991-04-19 | Thomson Csf | Dispositif de lecture par coherence de capteur optique |
| 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 |
| US4904082A (en) * | 1988-12-27 | 1990-02-27 | United Technologies Corporation | Fringe visibility enhancement arrangement and method |
| FR2647560B1 (fr) * | 1989-05-23 | 1994-01-28 | Thomson Csf | Dispositif de lecture de capteurs polarimetriques et interferometriques |
| US5028801A (en) * | 1990-01-16 | 1991-07-02 | Sperry Marine Inc. | Apparatus and method for multiplexing fiber optic sensors |
| JPH03237314A (ja) * | 1990-02-14 | 1991-10-23 | Tokyo Electric Power Co Inc:The | 光ファイバ多点計測システム |
| JPH03248299A (ja) * | 1990-02-27 | 1991-11-06 | Tokyo Electric Power Co Inc:The | 光ファイバ多点計測システム |
| 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 |
| FR2673023B1 (fr) * | 1991-02-14 | 1993-06-11 | Bertin & Cie | Recepteur de demultiplexage sequentiel pour un reseau de capteurs optiques a codage de modulation spectrale. |
| FR2673022B1 (fr) * | 1991-02-14 | 1993-06-11 | Bertin & Cie | Recepteur de demultiplexage parallele pour un reseau de capteurs optiques a codage de modulation spectrale. |
| US5173743A (en) * | 1991-05-28 | 1992-12-22 | Litton Systems, Inc. | Fiber optical time-division-multiplexed unbalanced pulsed interferometer with polarization fading compensation |
| US5194847A (en) * | 1991-07-29 | 1993-03-16 | Texas A & M University System | Apparatus and method for fiber optic intrusion sensing |
| US5361313A (en) * | 1993-05-11 | 1994-11-01 | Martin Marietta Corporation | Two-mode remote fiber optic sensor |
| US5473459A (en) * | 1993-12-03 | 1995-12-05 | Optimux Systems Corporation | Optical telecommunications system using phase compensation interferometry |
| US5459600A (en) * | 1994-03-08 | 1995-10-17 | Optimux Systems Corporation | Optical telecommunications system employing multiple phase-compensated optical signals |
| US6307895B1 (en) | 1998-04-01 | 2001-10-23 | The United States Of America As Represented By The Secretary Of The Navy | Complex Fourier coefficient extractor |
| US6278657B1 (en) * | 1998-04-03 | 2001-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Folded sagnac sensor array |
| US6034924A (en) * | 1998-04-03 | 2000-03-07 | The Board Of Trustees Of The Leland Stanford Junior Univerisity | Folded sagnac sensor array |
| EP1496723B1 (fr) | 1998-04-03 | 2010-07-07 | The Board Of Trustees Of The Leland Stanford Junior University | Réseau de capteurs a fibres optiques utilisant un interféromètre Sagnac |
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| US8010703B2 (en) | 2000-03-30 | 2011-08-30 | Prashtama Wireless Llc | Data conversion services and associated distributed processing system |
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| WO2003027625A1 (fr) | 2001-09-21 | 2003-04-03 | Yamatake Corporation | Procede de mesure d'une grandeur physique et dispositif associe |
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| US8392138B2 (en) * | 2008-08-08 | 2013-03-05 | The Regents Of The University Of Colorado | System and method for correcting sampling errors associated with radiation source tuning rate fluctuations in swept-wavelength interferometry |
| GB0815523D0 (en) * | 2008-08-27 | 2008-10-01 | Qinetiq Ltd | Phase based sensing |
| US8120781B2 (en) | 2008-11-26 | 2012-02-21 | Zygo Corporation | Interferometric systems and methods featuring spectral analysis of unevenly sampled data |
| EP4174448A3 (fr) * | 2009-05-27 | 2023-07-26 | Silixa Ltd. | Procédé et appareil de détection optique |
| GB0917150D0 (en) | 2009-09-30 | 2009-11-11 | Qinetiq Ltd | Phase based sensing |
| JP2013518256A (ja) | 2010-01-22 | 2013-05-20 | デユーク・ユニバーシテイ | 分光光コヒーレンストモグラフィ（ｏｃｔ）およびフーリエドメイン低コヒーレンス干渉法のための多重ウィンドウ処理スキーム |
| US9823127B2 (en) | 2010-01-22 | 2017-11-21 | Duke University | Systems and methods for deep spectroscopic imaging of biological samples with use of an interferometer and spectrometer |
| JP5398009B2 (ja) * | 2010-03-17 | 2014-01-29 | 学校法人北里研究所 | オプティカル・コヒーレンス・トモグラフィー装置及び断層像の撮影方法 |
| DE102011055735A1 (de) | 2011-11-25 | 2013-05-29 | Precitec Optronik Gmbh | Multimesskopfvorrichtung zum Prüfen von Materialdicken oder Profilverläufen eines Objektes |
| JP5118246B1 (ja) * | 2011-11-25 | 2013-01-16 | 白山工業株式会社 | 光ファイバセンサ |
| US8958665B2 (en) * | 2012-11-13 | 2015-02-17 | Infinera Corporation | Scattering device on an arrayed waveguide grating |
| WO2014121144A1 (fr) * | 2013-02-01 | 2014-08-07 | The Board Of Trustees Of The Leland Stanford Junior University | Guides d'ondes couplés pour applications de capteur de lumière lente |
| US9945979B2 (en) * | 2013-08-02 | 2018-04-17 | Halliburton Energy Services, Inc. | Acoustic sensor metadata dubbing channel |
| CN105953826A (zh) * | 2013-11-21 | 2016-09-21 | 充梦霞 | 采用光纤耦合器和光纤光栅的激光传感器频分复用装置 |
| FR3014200B1 (fr) * | 2013-12-02 | 2017-05-26 | Commissariat Energie Atomique | Controle de structure industrielle |
| US20160327442A1 (en) * | 2015-05-05 | 2016-11-10 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Optical fiber strain sensor system and method |
| US10578440B1 (en) | 2017-08-04 | 2020-03-03 | The United States Of America, As Represented By The Secretary Of The Navy | Atmospheric infrasonic sensing from an aircraft |
| US10365089B1 (en) | 2017-08-04 | 2019-07-30 | The United States Of America, As Represented By The Secretary Of The Navy | Atmospheric infrasonic sensing from an array of aircraft |
| CN111504176B (zh) * | 2020-04-30 | 2021-03-30 | 浙江大学 | 一种基于两级执行器结构的大光程闭环测量系统 |
| CN112229549B (zh) * | 2020-09-03 | 2021-12-28 | 山东科技大学 | 一种智能光纤触觉发声系统及方法 |
| GB202108396D0 (en) * | 2021-06-11 | 2021-07-28 | Optasense Holdings Ltd | Fibre optic sensing |
| WO2023037535A1 (fr) * | 2021-09-13 | 2023-03-16 | 日本電信電話株式会社 | Dispositif et procédé de détection à fibre optique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299490A (en) * | 1978-12-07 | 1981-11-10 | Mcdonnell Douglas Corporation | Phase nulling optical gyro |
| US4372685A (en) * | 1979-01-15 | 1983-02-08 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Method and arrangement for the measurement of rotations |
| JPS55164995A (en) * | 1979-06-08 | 1980-12-23 | Tokyo Shibaura Electric Co | Optical sensing system |
| US4334781A (en) * | 1979-06-08 | 1982-06-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Optical sensing system |
| US4493528A (en) * | 1980-04-11 | 1985-01-15 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic directional coupler |
| DE3044183A1 (de) * | 1980-11-24 | 1982-06-24 | Reinhard Dipl.-Phys. Dr. 7250 Leonberg Ulrich | Verfahren zur optischen messung von laengen und laengenaenderungen und anordnung zur durchfuehrung des verfahrens |
| DE3170955D1 (en) * | 1980-12-17 | 1985-07-18 | Ici Plc | Apparatus for gathering data from a plurality of condition responsive optical sensors |
| US4375680A (en) * | 1981-01-16 | 1983-03-01 | Mcdonnell Douglas Corporation | Optical acoustic sensor |
| US4432599A (en) * | 1981-03-27 | 1984-02-21 | Sperry Corporation | Fiber optic differential sensor |
| GB2106736B (en) * | 1981-09-03 | 1985-06-12 | Standard Telephones Cables Ltd | Optical transmission system |
| JPS58105397A (ja) * | 1981-12-17 | 1983-06-23 | 松下電器産業株式会社 | 光センサ装置 |
| WO1983003684A1 (fr) * | 1982-04-14 | 1983-10-27 | Kino, Gordon, S. | Detecteur a fibre optique ameliore pour detecter des deplacements tres petits d'une surface |
| US4572949A (en) * | 1982-04-14 | 1986-02-25 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic sensor for detecting very small displacements of a surface |
| US4443200A (en) * | 1983-08-08 | 1984-04-17 | Murphy Judith K | Toilet training device |
-
1985
- 1985-05-28 US US06/738,678 patent/US4699513A/en not_active Expired - Lifetime
-
1986
- 1986-01-24 AU AU52708/86A patent/AU5270886A/en not_active Abandoned
- 1986-02-05 EP EP86300751A patent/EP0191588B1/fr not_active Expired - Lifetime
- 1986-02-05 DE DE86300751T patent/DE3688091T2/de not_active Expired - Fee Related
- 1986-02-05 AT AT86300751T patent/ATE87363T1/de not_active IP Right Cessation
- 1986-02-07 CA CA000501351A patent/CA1276078C/fr not_active Expired - Lifetime
- 1986-02-07 JP JP61026641A patent/JPH0781888B2/ja not_active Expired - Lifetime
- 1986-02-07 NO NO860432A patent/NO860432L/no unknown
- 1986-02-07 KR KR1019860000853A patent/KR970001415B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3688091T2 (de) | 1993-10-07 |
| EP0191588A3 (en) | 1990-09-19 |
| DE3688091D1 (de) | 1993-04-29 |
| US4699513A (en) | 1987-10-13 |
| CA1276078C (fr) | 1990-11-13 |
| ATE87363T1 (de) | 1993-04-15 |
| KR970001415B1 (ko) | 1997-02-06 |
| JPH0781888B2 (ja) | 1995-09-06 |
| JPS61210910A (ja) | 1986-09-19 |
| EP0191588B1 (fr) | 1993-03-24 |
| KR860006714A (ko) | 1986-09-13 |
| EP0191588A2 (fr) | 1986-08-20 |
| AU5270886A (en) | 1986-08-14 |
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