DE2733937A1 - Optical coloured signal generator - has LED located within profiled lens for improved focussing of emergent rays - Google Patents

Optical coloured signal generator - has LED located within profiled lens for improved focussing of emergent rays

Info

Publication number
DE2733937A1
DE2733937A1 DE19772733937 DE2733937A DE2733937A1 DE 2733937 A1 DE2733937 A1 DE 2733937A1 DE 19772733937 DE19772733937 DE 19772733937 DE 2733937 A DE2733937 A DE 2733937A DE 2733937 A1 DE2733937 A1 DE 2733937A1
Authority
DE
Germany
Prior art keywords
signals
led
signal generator
light
cap
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.)
Withdrawn
Application number
DE19772733937
Other languages
German (de)
Inventor
Wilhelm Dipl Phys Kuny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19772733937 priority Critical patent/DE2733937A1/en
Publication of DE2733937A1 publication Critical patent/DE2733937A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/0203—Containers; Encapsulations, e.g. encapsulation of photodiodes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
    • H03J9/06—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification using electromagnetic waves other than radio waves, e.g. light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems

Abstract

An optical signal transmission link uses an LED and photo sensors. In order to provide an improvement in transmission efficiency and reduce the effect of external disturbances, the LED lens is formed to provide improved focussing. The LED is located at the centre of a transparent dome (4) of constant thickness. A transparent cover of variable thickness (5) provides a greater degree of convergence of the transmitted light. The transparent cover is attached to the inner dome by a peripheral rib (9) on the dome engaging a corresp. dimple (8) in the cover.

Description

Vorrichtung zur Ubertragung von SignalenDevice for the transmission of signals

Die Erfindung betrifft eine Vorrichtung zur Ubertragung von Signalen, mit wenigstens einer Signalquelle und wenigstens einem durch die Signale ansteuerbaren Signalempfänger, bei der die Signale insbesondere IR-Signale sind.The invention relates to a device for the transmission of signals, with at least one signal source and at least one controllable by the signals Signal receiver in which the signals are in particular IR signals.

Infrarot-Ubertragungs- und Fernbedienungsstrecken werden in letzter Zeit zunehmend verstärkt eingesetzt. Die im allgemeinen bei beweglichen Einrichtungen, zum Beispiel Fernsteuerungen, bevorzugte Abstrahlungscharakteristik ist kugelförmig, weil hier nur eine geringe Zielgenauigkeit erwünscht ist. Ein Nachteil besteht aber darin, daß relativ hohe Leistungen von der Signalquelle aufgebracht werden müssen, um den Befehl sicher zu übertragen. Bei fest installierten Ubertragungsstrecken, wie sie zum Beispiel bei der Fernsehübertragung von der Antennendose zum Fernsehschirm oder bei Stereoanlagen vom Steuergerät zu den Lautsprecherboxen vorliegen, ist dagegen eine stärkere Strahlbündelung von Vorteil, weil mit derselben Leistung der Signalquelle am Empfangsort ein größerer Rauschabstand erzielt werden kann. Dies gilt auch für den Signalempfänger, da hier gegebenenfalls Störlicht besser ausgeblendet werden kann.Infrared transmission and remote control routes are the last Time increasingly used. In general, in the case of movable equipment, for example remote controls, preferred radiation pattern is spherical, because here only a low level of accuracy is desired. However, there is one disadvantage in that relatively high powers have to be applied by the signal source, to safely transmit the command. In the case of permanently installed transmission links, such as when broadcasting television from the antenna socket to the television screen or, in the case of stereo systems, from the control unit to the loudspeaker boxes, is against it a stronger beam bundling is an advantage, because with the same power of the signal source a greater signal-to-noise ratio can be achieved at the receiving location. This also applies to the signal receiver, since interfering light can be better suppressed here can.

Gegenwärtig sind Leuchtdioden und Fotoelemente mit stark unterschiedlichen Strahlungscharakteristiken erhältlich, wie zum Beispiel kugelförmige oder keulenförmige Leuchtdioden mit einem Öffnungswinkel unter 400. Für die oben aufgezeigten Anwendungen sind diese Leuchtdioden Jedoch wenig geeignet, da zum Beispiel in Wohnräumen andere Richtcharakteristiken mit zusätzlich unterschiedlichen vertikalen und horizontalen Formen besser angepaßt sind. Es ist nun möglich, durch Einbau von Leuchtdioden in entsprechende Spiegel- und Linsensysteme oder durch angemessene Formgebung der Lichtöffnungen dieser Bauteile die oben aufgezeigten Forderungen zu erfüllen. Dies ist jedoch im ersten Fall aufwendig und im zweiten Fall unwirtschaftlich.At present, light-emitting diodes and photo elements are very different Radiation characteristics available, such as spherical or club-shaped Light emitting diodes with one Opening angle less than 400. For the ones shown above However, these light-emitting diodes are not very suitable for applications, for example in living spaces other directional characteristics with additionally different vertical and horizontal ones Shapes are better adapted. It is now possible by installing light emitting diodes in corresponding mirror and lens systems or by appropriately shaping the light openings these components to meet the requirements outlined above. However, this is in the the first case costly and in the second case uneconomical.

Es ist daher Aufgabe der Erfindung, eine Vorrichtung zur Ubertragung von Signalen anzugeben, die ohne großen Aufwand an die Umgebungsbedingungen anpaßbar ist.It is therefore the object of the invention to provide a device for transmission Specify signals that can be adapted to the ambient conditions without great effort is.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine auf die Signalquelle aufsetzbare Kappe, deren Lichteintritts- und Lichtaustrittsflächen der angestrebten Bündelung der Signale angepaßt sind.According to the invention, this object is achieved by a signal source attachable cap, the light entry and light exit surfaces of which are the desired Bundling of the signals are adapted.

Auf die üblichen Leuchtdioden werden also passende aufsteckbare Kappen aufgebracht. Diese Kappen können in verschiedenen Formen auf einfache Weise hergestellt werden.Matching plug-on caps are therefore placed on the usual light-emitting diodes upset. These caps can be easily made in various shapes will.

Eine Weiterbildung der Erfindung besteht darin, daß die Lichteintrittsfläche halbkugelfdrmig ist.A further development of the invention consists in that the light entry surface is hemispherical.

Bekanntlich haben die üblichen Leuchtdioden eine halbkugelförmige Oberfläche, so daß hierauf eine Kappe mit konkaver halbkugelförmiger Lichteintrittsfläche besonders einfach aufsetzbar ist.As is known, the usual light-emitting diodes have a hemispherical shape Surface, so that on it a cap with a concave hemispherical light entry surface is particularly easy to put on.

Eine andere Weiterbildung der Erfindung besteht darin, daß die Kappe teilweise verspiegelt oder zusätzlich für andere Strahlungen absorbierend eingefärbt ist.Another development of the invention is that the cap partially mirrored or colored to absorb other radiation is.

Da sich die benachbarten Oberflächen der Leuchtdioden und der Kappen mit modernen Fertigungsmethoden in hohem Maße reproduzieren lassen, können diese beiden Teile ohne große Reflexionsver- luste trocken aufeinandergesteckt oder wie bei optischen Geräten mit einem transparenten Harz verklebt werden.Because the adjacent surfaces of the light emitting diodes and the caps can be reproduced to a high degree with modern production methods two parts without much reflection losses dryly stacked on top of each other or glued with a transparent resin, as is the case with optical devices.

Nachfolgend wird die Erfindung an Hand der Zeichnung näher erläutert. Es zeigen: Fig. 1 eine herkömmliche Leuchtdiode, und Fig. 2 die Leuchtdiode der Fig. 1 mit der Kappe nach der Erfindung.The invention is explained in more detail below with reference to the drawing. 1 shows a conventional light-emitting diode, and FIG. 2 shows the light-emitting diode of the Fig. 1 with the cap according to the invention.

In Fig. 1 ist eine eigentliche Leuchtdiode 1, die als Kugelstrahler wirkt, in einem Gehäuse 2 aus einer Halterung 3 und einem Fenster 4 vorgesehen. Von der Leuchtdiode 1 werden Lichtstrahlen 10 ausgesandt.In Fig. 1 is an actual light emitting diode 1, which is used as a spherical emitter acts, provided in a housing 2 from a holder 3 and a window 4. Light beams 10 are emitted from the light-emitting diode 1.

Fig. 2 zeigt auf dieser Anordnung in der linken Hälfte eine stark bündelnde Kappe 5 und in der rechten Hälfte eine flach bündelnde Kappe 6. Die Kappe 5 (beziehungsweise 6) ist Jeweils mit ihrer Strahleneintrittsfläche 7 auf das Fenster 4 und die Halterung 3 aufgesteckt. Zur Befestigung dient eine Nut 8 oder eine Rille 9, wie dies in der linken beziehungsweise rechten Hälfte der Fig. 2 gezeigt ist. Die Kappe 5 (beziehungsweise 6) besteht aus transparentem Material und kann auf ihrer Oberfläche verspiegelt oder mit einem Farbstoff eingefärbt sein.Fig. 2 shows a strong on this arrangement in the left half bundling cap 5 and in the right half a flat bundling cap 6. The cap 5 (or 6) is in each case with its beam entry surface 7 on the window 4 and the bracket 3 attached. A groove 8 or a groove is used for fastening 9, as shown in the left and right halves of FIG. The cap 5 (or 6) is made of transparent material and can on their surface mirrored or colored with a dye.

5 Patentansprüche 2 Figuren5 claims 2 figures

Claims (5)

Patentansorüche 1. Vorrichtung zur Ubertragung von Signalen, mit wenigstens einer Signalquelle und wenigstens einem durch die Signale ansteuerbaren Signalempfänger, bei der die Signale insbesondere IR-Signale sind, gekennzeichnet durch eine auf die Signalquelle (1) aufsetzbare Kappe (5, 6), deren Lichteintritts- und Lichtaustrittsflächen der angestrebten Bündelung der Signale angepaßt sind.Patent claims 1. Device for the transmission of signals, with at least a signal source and at least one signal receiver controllable by the signals, in which the signals are in particular IR signals, characterized by a the signal source (1) attachable cap (5, 6), their light entry and light exit surfaces are adapted to the desired bundling of the signals. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Lichteintrittsfläche halbkugelförmig ist.2. Apparatus according to claim 1, characterized in that the light entry surface is hemispherical. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kappe (5, 6) teilweise verspiegelt ist.3. Apparatus according to claim 1 or 2, characterized in that the cap (5, 6) is partially mirrored. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das transparente Material der Kappe (5, 6) mit Farbstoffen versehen ist.4. Device according to one of claims 1 to 3, characterized in that that the transparent material of the cap (5, 6) is provided with dyes. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Kappe auf die Signalquelle aufgesetzt oder mit Harz aufgeklebt ist.5. Device according to one of claims 1 to 4, characterized in that that the cap is placed on the signal source or glued with resin.
DE19772733937 1977-07-27 1977-07-27 Optical coloured signal generator - has LED located within profiled lens for improved focussing of emergent rays Withdrawn DE2733937A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772733937 DE2733937A1 (en) 1977-07-27 1977-07-27 Optical coloured signal generator - has LED located within profiled lens for improved focussing of emergent rays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772733937 DE2733937A1 (en) 1977-07-27 1977-07-27 Optical coloured signal generator - has LED located within profiled lens for improved focussing of emergent rays

Publications (1)

Publication Number Publication Date
DE2733937A1 true DE2733937A1 (en) 1979-02-08

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ID=6014978

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Application Number Title Priority Date Filing Date
DE19772733937 Withdrawn DE2733937A1 (en) 1977-07-27 1977-07-27 Optical coloured signal generator - has LED located within profiled lens for improved focussing of emergent rays

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8510644U1 (en) * 1985-04-11 1985-05-30 proLogistik Gesellschaft für Informations- u. Steuerungssysteme mbH, 4600 Dortmund Device for the transmission of information from electronic media, in particular by means of infrared radiation
US4638343A (en) * 1985-01-04 1987-01-20 Siemens Aktiengesellschaft Optical radiation source or detector device having plural radiating or receiving characteristics
US4698730A (en) * 1986-08-01 1987-10-06 Stanley Electric Co., Ltd. Light-emitting diode
EP0531045A1 (en) * 1991-09-06 1993-03-10 Minnesota Mining And Manufacturing Company Optical signal emitter assembly
DE4223795A1 (en) * 1992-07-20 1994-02-03 Priesemuth W Optoelectronic component
DE4407911A1 (en) * 1994-03-09 1995-09-14 Telefunken Microelectron Optical system
US5452190A (en) * 1993-07-19 1995-09-19 Priesemuth; Wolfgang Optoelectronic component
DE19535777A1 (en) * 1995-09-26 1997-03-27 Siemens Ag Optoelectronic semiconductor component and method for producing it
EP1508820A1 (en) * 2003-08-21 2005-02-23 Pioneer Corporation Optics for remote control
DE10347541A1 (en) * 2003-10-09 2005-06-02 G.L.I. Global Light Industries Gmbh Method for producing a light-conducting LED body in at least two stages of production

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760237A (en) * 1972-06-21 1973-09-18 Gen Electric Solid state lamp assembly having conical light director

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760237A (en) * 1972-06-21 1973-09-18 Gen Electric Solid state lamp assembly having conical light director

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z.: feinwerktechnik + micronic, 78, 1974, H.2, S.69-73 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638343A (en) * 1985-01-04 1987-01-20 Siemens Aktiengesellschaft Optical radiation source or detector device having plural radiating or receiving characteristics
DE8510644U1 (en) * 1985-04-11 1985-05-30 proLogistik Gesellschaft für Informations- u. Steuerungssysteme mbH, 4600 Dortmund Device for the transmission of information from electronic media, in particular by means of infrared radiation
US4698730A (en) * 1986-08-01 1987-10-06 Stanley Electric Co., Ltd. Light-emitting diode
EP0531045A1 (en) * 1991-09-06 1993-03-10 Minnesota Mining And Manufacturing Company Optical signal emitter assembly
DE4223795A1 (en) * 1992-07-20 1994-02-03 Priesemuth W Optoelectronic component
US5452190A (en) * 1993-07-19 1995-09-19 Priesemuth; Wolfgang Optoelectronic component
DE4407911A1 (en) * 1994-03-09 1995-09-14 Telefunken Microelectron Optical system
DE19535777A1 (en) * 1995-09-26 1997-03-27 Siemens Ag Optoelectronic semiconductor component and method for producing it
US5985696A (en) * 1995-09-26 1999-11-16 Siemens Aktiengesellschaft Method for producing an optoelectronic semiconductor component
USRE37554E1 (en) * 1995-09-26 2002-02-19 Siemens Aktiengesellschaft Method for producing an optoelectronic semiconductor component
EP1508820A1 (en) * 2003-08-21 2005-02-23 Pioneer Corporation Optics for remote control
DE10347541A1 (en) * 2003-10-09 2005-06-02 G.L.I. Global Light Industries Gmbh Method for producing a light-conducting LED body in at least two stages of production
DE10347541B4 (en) * 2003-10-09 2012-02-16 Odelo Led Gmbh Method for producing a light-conducting LED body in at least two stages of production

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