WO1988003662A1 - Opto-electronic transformer with connecting element for beam waveguides - Google Patents
Opto-electronic transformer with connecting element for beam waveguides Download PDFInfo
- Publication number
- WO1988003662A1 WO1988003662A1 PCT/EP1987/000640 EP8700640W WO8803662A1 WO 1988003662 A1 WO1988003662 A1 WO 1988003662A1 EP 8700640 W EP8700640 W EP 8700640W WO 8803662 A1 WO8803662 A1 WO 8803662A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- converter
- housing
- optical waveguide
- converter according
- adapter
- 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.)
- Ceased
Links
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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3888—Protection from over-extension or over-compression
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4239—Adhesive bonding; Encapsulation with polymer material
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
Definitions
- the invention relates to an opto-electronic converter with a connecting element for an optical waveguide.
- each transducer is mounted in a transducer housing in such a way that the free end section of an optical waveguide is arranged perpendicular to the optical measured value receiving surface and is guided by a capillary-like opening in an adapter of the transducer housing which is detachably but fixedly mounted and is tension-free attached to the end section of the converter housing facing away from the converter with a clamp connection.
- FIG. 2 shows the optoelectronic converter according to FIG. 1 in a schematic transverse view in section
- Fig. 3 shows an adapter block for the opto-electronic converter of FIG. 1 in a plan view in partial section.
- Lower housing part 36 has a recess 17 for each transducer 1, each of which is assigned an adapter 35 in a further recess 37.
- the optical waveguide 12 is guided through the adapter 35.
- a clamping member 38 is provided in it, by means of which the optical waveguide cable 13 can be clamped in such a way that the optical waveguide cable is guided in the adapter 35 or in the converter housing 32 without tension.
- the adapter 35 is designed as a one-piece molding so that it rests releasably but in a fixed manner in the recess 33 of the lower housing part.
- a capillary-like opening 6 is formed in the adapter 35, through which the optical waveguide 12 is guided.
- the capillary-like opening 6 can merge into a conical extension VI. This simplifies the insertion of the optical waveguide 12 into the capillary-like opening 6. It is also possible to use conical instead
- Each transducer 1 is mounted in its recess 17 in such a way that the optical measurement area 4 is assigned to the free end section 10 of the optical waveguide 12 over the entire area.
- Each transducer 1 can be fixed in position in the recess 17 by means of a connecting means 8.
- a connecting means 8 z. B. an adhesive layer or the like.
- the attachment of the optical fiber cable 13 by means of the clamping member 38 ensures that the end section of the optical fiber 12 assigned to the measured value receiving surface 4 is permanently in contact with the optical measured value receiving surface 4, so that interference-free signal transmission is ensured.
- the curvature of the section of the optical waveguide 12 or optical waveguide cable 13 located between the connecting member 5 designed as an adapter 35 and the clamping member 38 > which, owing to the specific elasticity of the optical waveguide 12 or optical waveguide cable 13, has its free end section 10 on the brings optical measurement surface 4 to the system.
- the curvature of the optical waveguide 12 or optical waveguide cable 13 serves as a tension reserve for any mechanical loads acting on the optical waveguide cable 13 outside the clamping member 38.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
Opto-elektroniscner Wandler mit einem Ansehlussglied für einen Licht ellenleiter Optoelectronic converter with a connection element for an optical fiber
Die Erfindung betrifft einen opto-elektronischen Wandler mit einem Anschlußglied für einen Lichtwellenleiter.The invention relates to an opto-electronic converter with a connecting element for an optical waveguide.
Bei bekannten Anschlußgliedern für lösbare Lichtwellen- leiterverbindungen erfordern die Steck- und Anschlußver¬ bindungen die Justierung und optische Bearbeitung im oder Anschlußteil. Ferner bestehen diese Steck- und Anschlu߬ verbindungen aus mehreren Teilen, so daß die gesamte Ausführung hoch präzise sein muß, um addierende Toleranzen zu vermeiden. In den meisten Fällen ist es erforderlich, i diese Steck- und Anschlußverbindungen die Lichtwellenleite einzukleben, so daß eine Wiederverwendung ausgeschlossen ist. Eine örtliche Justierung und Fixierung stößt regelmäß auf große Schwierigkeiten, da diese Verbindungen bei unterschiedlichsten Bedingungen wie staubhaltiger Umge¬ bungsluft oder witterungsbedingten Unbilden hergestellt werden müssen.In the case of known connecting members for detachable optical fiber connections, the plug and connection connections require the adjustment and optical processing in or the connecting part. Furthermore, these plug and connection connections consist of several parts, so that the entire design must be highly precise in order to avoid additive tolerances. In most cases, it is necessary to glue the optical fiber into these plug and connection connections so that reuse is impossible. A local adjustment and fixation regularly encounters great difficulties, since these connections have to be made under the most varied of conditions, such as dusty ambient air or bad weather conditions.
Die Aufgabe der Erfindung besteht darin, einen opto-elek- tronischen Wandler mit einem Anschlußglied für Lichtwellen¬ leiter zu schaffen, mit dem auf einfache Weise auch unter erschwerten Bedingungen ein Lichtwellenleiter mit einem Wandler in Kontakt gebracht werden kann, wobei bei Mög¬ lichkeit einer Wiederverwendung der Lichtwellenleiterver- bindung deren Genauigkeit gegenüber bekannten Lichtwellen¬ leiterverbindungen gesteigert werden soll.The object of the invention is to provide an optoelectronic transducer with a connecting element for optical waveguides, with which an optical waveguide can be brought into contact with a transducer in a simple manner even under difficult conditions, with one being possible Reuse of the optical waveguide connection, the accuracy of which is to be increased compared to known optical waveguide connections.
Erfindungsgem. erfolgt die Lösung der Aufgabe dadurch, daß jeder Wandler derart in einem Wandlergehäuse gelagert ist, daß senkrecht zur optischen Meßwertaufnahmefläche der freie Endabschnitt eines Lichtwellenleiters angeordnet ist, der durch eine kapillarartige Durchbrechung eines in einer Ausnehmung des Wandlergehäuses lösbar aber ortsfest ge¬ lagerten Adapters geführt und spannungsfrei an dem dem Wandler abgewandten Endabschnitt des Wandlergehäuses mit einer Klemmverbindung befestigt ist. Weitere Ausgestaltungen der Erfindung werden in abhängigen Ansprüchen beschrieben und nachstehend am Beispiel des in den Zeichnungen schematisch dargestellten opto-elek- tronischen Wandlers näher erläuter. Es zeigtAccording to the invention. The object is achieved in that each transducer is mounted in a transducer housing in such a way that the free end section of an optical waveguide is arranged perpendicular to the optical measured value receiving surface and is guided by a capillary-like opening in an adapter of the transducer housing which is detachably but fixedly mounted and is tension-free attached to the end section of the converter housing facing away from the converter with a clamp connection. Further refinements of the invention are described in the dependent claims and are explained in more detail below using the example of the optoelectronic converter shown schematically in the drawings. It shows
Fig. 1 einen opto-elektronischen Wandler in einer schematischen Draufsicht im Schnitt,1 shows an optoelectronic converter in a schematic plan view in section,
Fig. 2 den opto-elektronischen Wandler nach Fig. 1 in einer schematischen Queransicht im Schnitt,2 shows the optoelectronic converter according to FIG. 1 in a schematic transverse view in section,
Fig. 3 einen Adapterblock für den opto-elektronischen Wandler nach Fig. 1 in einer Draufsicht im teilweisen Schnitt.Fig. 3 shows an adapter block for the opto-electronic converter of FIG. 1 in a plan view in partial section.
Der opto-elektronische Wandler 30 besteht aus einem Wand¬ lergehäuse 32, in das die Wandler 1 so eingesetzt sind, daß bei Verbindung mit den zugehörigen Lichtwellenleitern 12 die elektrischen Kontakte 2 im Bereich des Endabschnittes 19 des Lichtwellenleiters 30 für weitere elektrische Anschlußver¬ bindungen zugänglich sind (Fig. 1). Das Wandlergehäuse 32 besteht aus einem Gehäuseunterteil 36 und einem Gehäuse¬ deckel 39, der mittels einer Schraubverbindung 0 mit dem Gehäuseunterteil 36 lösbar verbunden ist (Fig. 2). In demThe optoelectronic converter 30 consists of a converter housing 32, into which the converters 1 are inserted so that when connected to the associated optical waveguides 12, the electrical contacts 2 in the region of the end section 19 of the optical waveguide 30 are accessible for further electrical connection connections are (Fig. 1). The converter housing 32 consists of a lower housing part 36 and a housing cover 39 which is detachably connected to the lower housing part 36 by means of a screw connection 0 (FIG. 2). By doing
Gehäuseunterteil 36 ist für jeden Wandler 1 eine Ausnehmung 17 ausgebildet, der jeweils ein Adapter 35 in einer weiteren Ausnehmung 37 zugeordnet ist. Durch den Adapter 35 wird der Lichtwellenleiter 12 geführt. Im Bereich des den Wandlern 1 abgewandten Endabschnitts 20 des Wandlergehäuses 32 ist in diesem ein Klemmglied 38 vorgesehen, durch das das Licht¬ wellenleiterkabel 13 so festgeklemmt werden kann, daß das Lichtwellenleiterkabel in dem Adpater 35 bzw. in dem Wandlergehäuse 32 spannungsfrei geführt ist. Der Adapter 35 ist als einstückiges Formstück so ausge¬ bildet, daß er in der Ausnehmung 33 des Gehäuseunterteils lösbar aber ortsfest anliegt. In dem Adapter 35 ist eine kapillarartige Durchbrechung 6 ausgebildet, durch die der Lichtwellenleiter 12 geführt ist. An dem dem Lichtwellen¬ leiter 41 abgewandten Endabschnitt 9 des Adapters 35 kann die kapillarartige Durchbrechung 6 in eine konische Er¬ weiterung VI übergehen. Hierdurch wird das Einführen des Lichtwellenleiters 12 in die kapillarartige Durchbrechung 6 erleichtert. Es ist auch möglich, statt der konischenLower housing part 36 has a recess 17 for each transducer 1, each of which is assigned an adapter 35 in a further recess 37. The optical waveguide 12 is guided through the adapter 35. In the area of the end section 20 of the converter housing 32 facing away from the transducers 1, a clamping member 38 is provided in it, by means of which the optical waveguide cable 13 can be clamped in such a way that the optical waveguide cable is guided in the adapter 35 or in the converter housing 32 without tension. The adapter 35 is designed as a one-piece molding so that it rests releasably but in a fixed manner in the recess 33 of the lower housing part. A capillary-like opening 6 is formed in the adapter 35, through which the optical waveguide 12 is guided. At the end section 9 of the adapter 35 facing away from the light waveguide 41, the capillary-like opening 6 can merge into a conical extension VI. This simplifies the insertion of the optical waveguide 12 into the capillary-like opening 6. It is also possible to use conical instead
Erweiterung 11 einen Abschnitt der kapillarartigen Durch¬ brechung 6 durch eine erweiterte Durchbrechung 1 zu ersetzen, die ebenfalls das Einführen des Lichtwellenleiter 12 erleichtert. Beide Varianten sind schematisch in Fig. 3 dargestellt.Extension 11 to replace a section of the capillary-like opening 6 by an enlarged opening 1, which likewise facilitates the insertion of the optical waveguide 12. Both variants are shown schematically in FIG. 3.
Sofern der opto-elektronische Wandler 30 mehrere Wandler 1 aufnehmen soll, ist es möglich, in dem Wandlergehäuse 32 eine entsprechende Anzahl von Ausnehmungen 17 zur Aufnahme der Wandler 1 vorzusehen. In diesem Fall sind ferner die Adapter 35 zweckmäßigerweise zu einem Adapterblock 45 mittels eines Verbindungstegs 44 verbunden, wobei die Ausnehmung 33 entsprechend angepaßt ist. Der Adapterblock 4 kann als Spritzgußteil od. dgl. bestehend aus einer größere Anzahl von Adaptern 35 hergestellt werden. In diesem Fall ist an den Verbindungsstegen 44 jeweils eine Material¬ schwächung 3 wie Nut od. dgl. auszubilden, die als Soll¬ bruchstelle dient. Hierdurch kann die jeweils erforderliche Anzahl von Adaptern 35 von dem Adapterblock 45 durch einen Trennschnitt oder durch Abbrechen gelöst werden.If the optoelectronic transducer 30 is to accommodate a plurality of transducers 1, it is possible to provide a corresponding number of recesses 17 in the transducer housing 32 for receiving the transducers 1. In this case, the adapters 35 are also expediently connected to an adapter block 45 by means of a connecting web 44, the recess 33 being adapted accordingly. The adapter block 4 can be manufactured as an injection molded part or the like, consisting of a larger number of adapters 35. In this case, a material weakening 3 such as a groove or the like is to be formed on the connecting webs 44, which serves as a predetermined breaking point. As a result, the number of adapters 35 required in each case can be released from the adapter block 45 by a separating cut or by breaking off.
Der dem Lichtwellenleiteraustritt 41 jeweils zugewandte Abschnitt 42 des Adapters 35 ist als konisches Führungsstück 46 ausgebildet, das in einem konischen Abschnitt 47 der Ausnehmung 33 anliegt. Der konische Abschnitt 47 ist über eine Durchbrechung 50 mit der Ausnehmung 17 verbunden. Die Stirnflächen 48 eines jeden Führungsstücks 46 sind senkrecht zur Längsachse 49 der jeweiligen kapillarartigen Durch¬ brechung 6 plan geschliffen. Hierdurch wird ein optimaler Lichtübergang zwischen dem Lichtwellenleiteraustritt 41 und der optischen Meßwertaufnahmefläche 4 des jeweiligen Wandlers 1 sichergestellt.The section 42 of the adapter 35 facing the optical waveguide outlet 41 is designed as a conical guide piece 46, which rests in a conical section 47 of the recess 33. The conical section 47 is connected to the recess 17 via an opening 50. The End faces 48 of each guide piece 46 are ground flat perpendicular to the longitudinal axis 49 of the respective capillary-like opening 6. This ensures an optimal light transition between the optical waveguide outlet 41 and the optical measurement surface 4 of the respective transducer 1.
Jeder Wandler 1 wird in seiner Ausnehmung 17 derart ausge¬ richtet gelagert, daß die optische Meßwertaufnahmefläche 4 dem freien Endabschnitt 10 des Lichtwellenleiters 12 ganzflächig zugeordnet ist. Jeder Wandler 1 kann in der Ausnehmung 17 mittels eines Verbindungsmittels 8 lagefixiert werden. Als Verbindungsmittel 8 kann z. B. eine Klebschicht od. dgl. dienen. Durch die Befestigung des Lichtwellen- leiterkabels 13 mittels des Klemmglieds 38 ist sicherge¬ stellt, daß der der Meßwertaufnahmefläche 4 zugeordnete Endabschnitt des Lichtwellenleiters 12 dauerhaft an der optischen Meßwertaufnahmefläche 4 anliegt, so daß eine störungsfreie Signalübertragung sichergestellt ist. Ursäch- lieh hierfür ist die Krümmung des zwischen dem als Adapter 35 ausgebildeten Anschlußglied 5 und dem Klemmglied 38 befindlichen Abschnitts des Lichtwellenleiters 12 bzw. Lichtwellenleiterkabels 13> die aufgrund der spezifischen Elastizität des Lichtwellenleiters 12 bzw. Lichtwellen- leiterkabels 13 dessen freien Endabschnitt 10 an der optischen Meßwertaufnahmefläche 4 zur Anlage bringt. Außerdem dient die Krümmung des Lichtwellenleiters 12 bzw. Lichtwellenleiterkabels 13 als Zugreserve für eventuelle auf das Lichtwellenleiterkabel 13 außerhalb des Klemmglieds 38 einwirkende mechanische Belastungen. Each transducer 1 is mounted in its recess 17 in such a way that the optical measurement area 4 is assigned to the free end section 10 of the optical waveguide 12 over the entire area. Each transducer 1 can be fixed in position in the recess 17 by means of a connecting means 8. As a connecting means 8 z. B. an adhesive layer or the like. Serve. The attachment of the optical fiber cable 13 by means of the clamping member 38 ensures that the end section of the optical fiber 12 assigned to the measured value receiving surface 4 is permanently in contact with the optical measured value receiving surface 4, so that interference-free signal transmission is ensured. The reason for this is the curvature of the section of the optical waveguide 12 or optical waveguide cable 13 located between the connecting member 5 designed as an adapter 35 and the clamping member 38 > which, owing to the specific elasticity of the optical waveguide 12 or optical waveguide cable 13, has its free end section 10 on the brings optical measurement surface 4 to the system. In addition, the curvature of the optical waveguide 12 or optical waveguide cable 13 serves as a tension reserve for any mechanical loads acting on the optical waveguide cable 13 outside the clamping member 38.
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK370188A DK370188A (en) | 1986-11-05 | 1988-07-04 | OPTO-ELECTRICAL CONVERSION WITH A CONNECTOR TO A FILTER |
| FI883180A FI883180A0 (en) | 1986-11-05 | 1988-07-04 | OPERATED ELECTRONIC EQUIPMENT WITHOUT AN EXHAUST SYSTEM IN THE ENVIRONMENT. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3637746.5 | 1986-11-05 | ||
| DE19863637746 DE3637746A1 (en) | 1986-11-05 | 1986-11-05 | OPTO-ELECTRONIC CONVERTER WITH A CONNECTOR FOR A LIGHT-WAVE GUIDE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1988003662A1 true WO1988003662A1 (en) | 1988-05-19 |
Family
ID=6313261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1987/000640 Ceased WO1988003662A1 (en) | 1986-11-05 | 1987-10-28 | Opto-electronic transformer with connecting element for beam waveguides |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0288530A1 (en) |
| JP (1) | JPH01502613A (en) |
| DE (1) | DE3637746A1 (en) |
| FI (1) | FI883180A0 (en) |
| WO (1) | WO1988003662A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9215027U1 (en) * | 1992-11-09 | 1993-01-14 | Inotec electronics GmbH, 7100 Heilbronn | Housing for the electrical connection of a connector with an electrical cable |
| DE19830148C5 (en) * | 1998-07-06 | 2011-09-15 | Harting Electric Gmbh & Co. Kg | Connection element for a fiber optic cable |
| JP3958891B2 (en) * | 1999-04-23 | 2007-08-15 | 矢崎総業株式会社 | Optical connector |
| JP2002107570A (en) * | 2000-07-24 | 2002-04-10 | Auto Network Gijutsu Kenkyusho:Kk | Optical connector |
| US20020114583A1 (en) * | 2001-02-19 | 2002-08-22 | Autonetworks Technologies, Ltd. | Optical connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2810762A1 (en) * | 1978-03-13 | 1979-09-20 | Siemens Ag | Optical cable coupling block with opto-electronic element - which is split longitudinally into two halves and has fitting for lens mounting |
| US4184741A (en) * | 1978-02-27 | 1980-01-22 | Corning Glass Works | Filament-to-device coupler |
| EP0112458A2 (en) * | 1982-10-26 | 1984-07-04 | Kabushiki Kaisha Toshiba | Duplex optical communication device |
| EP0154781A2 (en) * | 1981-03-16 | 1985-09-18 | Amp Incorporated | Optical waveguide connector |
| EP0168023A1 (en) * | 1984-07-11 | 1986-01-15 | SMH-ALCATEL Société anonyme dite: | Opto-electronic device for detecting the passage of objects |
| FR2569279A3 (en) * | 1984-08-14 | 1986-02-21 | Alsthom Cgee | JUNCTION BLOCK FOR OPTICAL FIBERS |
-
1986
- 1986-11-05 DE DE19863637746 patent/DE3637746A1/en not_active Withdrawn
-
1987
- 1987-10-28 JP JP62506763A patent/JPH01502613A/en active Pending
- 1987-10-28 EP EP87907317A patent/EP0288530A1/en not_active Withdrawn
- 1987-10-28 WO PCT/EP1987/000640 patent/WO1988003662A1/en not_active Ceased
-
1988
- 1988-07-04 FI FI883180A patent/FI883180A0/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184741A (en) * | 1978-02-27 | 1980-01-22 | Corning Glass Works | Filament-to-device coupler |
| DE2810762A1 (en) * | 1978-03-13 | 1979-09-20 | Siemens Ag | Optical cable coupling block with opto-electronic element - which is split longitudinally into two halves and has fitting for lens mounting |
| EP0154781A2 (en) * | 1981-03-16 | 1985-09-18 | Amp Incorporated | Optical waveguide connector |
| EP0112458A2 (en) * | 1982-10-26 | 1984-07-04 | Kabushiki Kaisha Toshiba | Duplex optical communication device |
| EP0168023A1 (en) * | 1984-07-11 | 1986-01-15 | SMH-ALCATEL Société anonyme dite: | Opto-electronic device for detecting the passage of objects |
| FR2569279A3 (en) * | 1984-08-14 | 1986-02-21 | Alsthom Cgee | JUNCTION BLOCK FOR OPTICAL FIBERS |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3637746A1 (en) | 1988-05-11 |
| FI883180A7 (en) | 1988-07-04 |
| JPH01502613A (en) | 1989-09-07 |
| EP0288530A1 (en) | 1988-11-02 |
| FI883180A0 (en) | 1988-07-04 |
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