EP1538059B1 - Light signal - Google Patents

Light signal Download PDF

Info

Publication number
EP1538059B1
EP1538059B1 EP04090427A EP04090427A EP1538059B1 EP 1538059 B1 EP1538059 B1 EP 1538059B1 EP 04090427 A EP04090427 A EP 04090427A EP 04090427 A EP04090427 A EP 04090427A EP 1538059 B1 EP1538059 B1 EP 1538059B1
Authority
EP
European Patent Office
Prior art keywords
optical system
led
light
focal point
light signal
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.)
Not-in-force
Application number
EP04090427A
Other languages
German (de)
French (fr)
Other versions
EP1538059A1 (en
Inventor
Jörg Liebscher
Dirk Zimmermann
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
Publication of EP1538059A1 publication Critical patent/EP1538059A1/en
Application granted granted Critical
Publication of EP1538059B1 publication Critical patent/EP1538059B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1845—Optical systems, lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B61L2207/02—Features of light signals using light-emitting diodes [LEDs]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a light signal according to the preamble of claim 1.
  • a light bulb In known light signals, a light bulb is predominantly used as an incandescent lamp whose light is directed by means of an optical system into a defined solid angle.
  • the optical system includes Fresnel lenses or aspherical lenses, in whose light-entry-side focal point the incandescent filament of the incandescent lamp is arranged.
  • Modern light sources have a completely different emission characteristic, so that the mere replacement of the incandescent lamp, for example by an LED arrangement, is associated with light losses in the solid angle relevant to the representation of the signal term.
  • the entire optical system usually has to be replaced by a specific for the new light source optical system, such as in EP 1 457 945 A1 and US Pat. No. 6,249,375 B1.
  • the invention is therefore an object of the invention to provide a light signal of the generic type, which allows the reuse of the existing optical system for light sources of different types.
  • the new light source is an LED arrangement. Often luminous signs or light signals, which are so far equipped with incandescent lamps, are to be converted on the basis of LED, since LEDs are comparatively inexpensive, durable and bright.
  • Known LED light signals consist essentially of a grid-like arrangement of several LED, which are each equipped with a reflector, wherein a lichtbündelndes optical element and optionally a windscreen are provided.
  • the optical element must be suitable as possible for different mounting and observation points, curve radii of the rail track and detection distances. In order to be able to dispense with the development and installation of such optical elements, the invention provides only an optical adaptation to the proven optical system for incandescent filament bulbs.
  • This adaptive second optical system can be constructed comparatively simply because only the light has to be focused into a focal point and no consideration of near and far range, curve radii and other parameters is required.
  • a second optical system which generates an image of the light source in the light entry side focal point of the existing optical system, there is the possibility of the signal housing together with bundling optics without loss of quality in terms of illuminating solid angle reuse. It is only necessary to focus a majority of the amount of light emitted by the new illuminants on a focal point that coincides with the focal point of the first optical system.
  • This second optical system may be a simple converging lens or even a Fresnel plate, to which no special quality requirements must be made.
  • the high-quality first optical system ensures the optimal illumination of the relevant spatial angle for the visibility of the signal concept, in particular by the operating personnel of the rail-bound means of transport. Particularly advantageous is the reusability of the first optical system in suitability of the same for the far and short range representation of signal terms, ie in the presence of special optics, for example, at the bottom of the first optical system, for light scattering down, ie in the bottom direction.
  • the LED array may be according to claim 2, a single LED with focusing lens, which forms the second optical system.
  • an LED matrix can also be equipped with a plurality of LED modules to form a predetermined emission surface.
  • each module contains a specific number of individual LEDs, which are connected in such a way that a safety concept with respect to LED failure can be realized.
  • each LED module can be equipped with its own optical element. The totality of the optical elements of all LED modules of the LED matrix then form the second optical system according to the invention.
  • the LED modules together with optical elements are preferably housed in a housing which is sealingly inserted in the vicinity of the light exit surface in a matrix plate.
  • the LED can, for example, accordingly the modules are arranged in groups on a board and are energized together.
  • FIG. 1 illustrates the functional principle of a prior art incandescent light signal.
  • the incandescent filament 1 of an incandescent lamp 2 is arranged at the focal point of an optical system 3 of the focal length f1.
  • Characteristic of the incandescent filament 1 is a radiation cone 4 whose opening angle determines the diameter and the optical axis 5 of the optical system 3.
  • the optical system 3 is usually calculated for Fresnel and / or aspherical lens shape such that there is a high light intensity for the far field and for the obliquely downward short-range, with site-specific parameters, such as the track radius at the site, are taken into account.
  • a second optical system 6 is provided in the form of a focusing lens, as shown in Figure 2.
  • the light of an LED matrix 7, which is equipped with a plurality of LEDs 8, is focused by this second optical system 6 of the focal length f2 to a focal point 9, which coincides with the focal point of the first optical system 3 and thus with the incandescent layer in FIG ,
  • a glühwendeltechnikr light spot is quasi produced by the upstream second optical system 6 in the focal point 9, which is scattered by means of the acquired first optical system 3 in the desired long-range and by means of an indicated lens segment 10 in the vicinity.
  • the invention is not limited to the embodiment given above. Rather, a number of variants are conceivable, which make use of the features of the invention even with fundamentally different type of execution.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Silicon Polymers (AREA)
  • Cookers (AREA)
  • Details Of Television Scanning (AREA)

Abstract

The signal unit consists of a lamp and a first optical system (3), and a second optical system (6) between the two. The focal point (9) of the second system mainly coincides with the light entry-sided focal point of the first system. The lamp is an LED unit, e.g. single LED with a focusing lens to form the second optical system, or an LED matrix (7) with a number of mainly similar LED modules (8), which define a mainly circular light surface.

Description

Die Erfindung betrifft ein Lichtsignal gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a light signal according to the preamble of claim 1.

Die nachstehenden Erläuterungen beziehen sich im Wesentlichen auf Leuchtzeichen oder Lichtsignale zur Darstellung von Signalbegriffen bei schienengebundenen Verkehrswegen, ohne dass der beanspruchte erfinderische Gegenstand auf diese Anwendung beschränkt sein soll.The following explanations relate essentially to illuminated signs or light signals for the representation of signal terms in rail-bound traffic routes, without the claimed inventive subject matter being restricted to this application.

Bei bekannten Lichtsignalen wird als Leuchtmittel überwiegend eine Glühlampe verwendet, deren Licht mittels eines optischen Systems in einen definierten Raumwinkel gerichtet wird. Das optische System beinhaltet in der Regel Fresnellinsen oder asphärische Linsen, in deren lichteintrittsseitigem Brennpunkt die Glühwendel der Glühlampe angeordnet ist. Mit der Einführung neuartiger Leuchtmittel, insbesondere auf der Basis von LED (lichtemittierende Dioden) ergibt sich zunehmend die Notwendigkeit, Glühlampen durch modernere Leuchtmittel zu ersetzen. Problematisch dabei ist vor allem die optische Anpassung, da das vorhandene optische System auf die spezielle Abstrahlcharakteristik der Glühlampe abgestimmt ist. Moderne Leuchtmittel besitzen eine gänzlich andere Abstrahlcharakteristik, so dass der bloße Ersatz der Glühlampe, beispielsweise durch eine LED-Anordnung, mit Lichtverlusten in dem für die Darstellung des Signalbegriffs relevanten Raumwinkel verbunden ist. Um gleichwertige optische Eigenschaften des Lichtsignals zu gewährleisten, muss daher in der Regel das komplette optische System durch ein für das neue Leuchtmittel spezifisches optisches System ersetzt werden, wie beispielsweise in der EP 1 457 945 A1 und der US 6,249,375 B1 beschrieben.In known light signals, a light bulb is predominantly used as an incandescent lamp whose light is directed by means of an optical system into a defined solid angle. As a rule, the optical system includes Fresnel lenses or aspherical lenses, in whose light-entry-side focal point the incandescent filament of the incandescent lamp is arranged. With the introduction of novel illuminants, in particular based on LEDs (light-emitting diodes), there is an increasing need to replace incandescent lamps with more modern illuminants. The problem here is especially the optical adjustment, since the existing optical system is tuned to the specific emission characteristics of the light bulb. Modern light sources have a completely different emission characteristic, so that the mere replacement of the incandescent lamp, for example by an LED arrangement, is associated with light losses in the solid angle relevant to the representation of the signal term. In order to ensure equivalent optical properties of the light signal, therefore, the entire optical system usually has to be replaced by a specific for the new light source optical system, such as in EP 1 457 945 A1 and US Pat. No. 6,249,375 B1.

Der Erfindung liegt deshalb die Aufgabe zugrunde, ein Lichtsignal der gattungsgemäßen Art anzugeben, das für Leuchtmittel unterschiedlicher Art die Weiterverwendung des vorhandenen optischen Systems ermöglicht.The invention is therefore an object of the invention to provide a light signal of the generic type, which allows the reuse of the existing optical system for light sources of different types.

Erfindungsgemäß wird die Aufgabe mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst. Dabei ist das neue Leuchtmittel eine LED-Anordnung. Häufig sollen Leuchtzeichen oder Lichtsignale, die bisher mit Glühlampen ausgestattet sind, auf der Basis von LED umgerüstet werden, da LED vergleichsweise preiswert, langlebig und lichtstark sind. Bekannte LED-Lichtsignale bestehen im Wesentlichen aus einer rasterartigen Anordnung mehrerer LED, welche jeweils mit einem Reflektor ausgestattet sind, wobei ein lichtbündelndes optisches Element und gegebenenfalls eine Frontscheibe vorgesehen sind. Das Optikelement muss dabei möglichst für unterschiedliche Anbringungs- und Beobachtungspunkte, Kurvenradien des Schienenweges und Erkennungsweiten geeignet sein. Um auf die Entwicklung und den Einbau derartiger Optikelemente verzichten zu können, ist erfindungsgemäß lediglich eine optische Anpassung auf das bewährte optische System für Glühwendel-Leuchtmittel vorgesehen. Dieses zur Anpassung dienende zweite optische System kann vergleichsweise einfach aufgebaut sein, da lediglich das Licht in einen Brennpunkt fokussiert werden muss und keine Berücksichtigung von Nah- und Fernbereich, Kurvenradien und anderen Parametern erforderlich ist. Durch die Zwischenschaltung eines zweiten optischen Systems, das ein Abbild des Leuchtmittels im lichteintrittsseitigen Brennpunkt des vorhandenen optischen Systems erzeugt, ergibt sich die Möglichkeit, das Signalgehäuse samt bündelnder Optik ohne Qualitätseinbußen hinsichtlich des auszuleuchtenden Raumwinkels weiterzuverwenden. Es ist lediglich erforderlich, einen Großteil der von den neuen Leuchtmittel abgestrahlten Lichtmenge auf einen Brennpunkt zu fokussieren, der mit dem Brennpunkt des ersten optischen Systems übereinstimmt. Dieses zweite optische System kann eine einfache Sammellinse oder auch eine Fresnel- Platte sein, an die keine besonderen Qualitätsanforderungen gestellt werden müssen. Das qualitativ hochwertige erste optische System sorgt für die optimale Ausleuchtung des für die Sichtbarkeit des Signalbegriffes, insbesondere durch das Bedienungspersonal der schienengebundenen Verkehrsmittel, maßgeblichen Raumwinkels. Besonders vorteilhaft ist die Weiterverwendbarkeit des ersten optischen Systems bei Eignung desselben für die Fernbereichs- und die Nahbereichsdarstellung von Signalbegriffen, d. h. bei Vorhandensein einer Spezialoptik, zum Beispiel am unteren Rand des ersten optischen Systems, zur Lichtstreuung nach unten, d. h. in Bodenrichtung.According to the invention the object is achieved with the characterizing features of claim 1. The new light source is an LED arrangement. Often luminous signs or light signals, which are so far equipped with incandescent lamps, are to be converted on the basis of LED, since LEDs are comparatively inexpensive, durable and bright. Known LED light signals consist essentially of a grid-like arrangement of several LED, which are each equipped with a reflector, wherein a lichtbündelndes optical element and optionally a windscreen are provided. The optical element must be suitable as possible for different mounting and observation points, curve radii of the rail track and detection distances. In order to be able to dispense with the development and installation of such optical elements, the invention provides only an optical adaptation to the proven optical system for incandescent filament bulbs. This adaptive second optical system can be constructed comparatively simply because only the light has to be focused into a focal point and no consideration of near and far range, curve radii and other parameters is required. Through the interposition of a second optical system, which generates an image of the light source in the light entry side focal point of the existing optical system, there is the possibility of the signal housing together with bundling optics without loss of quality in terms of illuminating solid angle reuse. It is only necessary to focus a majority of the amount of light emitted by the new illuminants on a focal point that coincides with the focal point of the first optical system. This second optical system may be a simple converging lens or even a Fresnel plate, to which no special quality requirements must be made. The high-quality first optical system ensures the optimal illumination of the relevant spatial angle for the visibility of the signal concept, in particular by the operating personnel of the rail-bound means of transport. Particularly advantageous is the reusability of the first optical system in suitability of the same for the far and short range representation of signal terms, ie in the presence of special optics, for example, at the bottom of the first optical system, for light scattering down, ie in the bottom direction.

Die LED-Anordnung kann dabei gemäß Anspruch 2 eine einzelne LED mit fokussierender Linse, welche das zweite optische System bildet, sein.The LED array may be according to claim 2, a single LED with focusing lens, which forms the second optical system.

Gemäß Anspruch 3 kann aber auch eine LED-Matrix zur Bildung einer vorgegebenen Abstrahlfläche mit mehreren LED-Modulen bestückt sein. Vorzugsweise enthält jedes Modul eine bestimmte Anzahl einzelner LED, die derart verschaltet sind, dass ein Sicherheitskonzept bezüglich LED-Ausfall realisierbar ist. Außerdem kann jedes LED-Modul mit einem eigenen Optikelement ausgestattet sein. Die Gesamtheit der Optikelemente aller LED-Module der LED-Matrix bilden dann das erfindungsgemäße zweite optische System. Die LED-Module samt Optikelementen sind bevorzugt in einem Gehäuse untergebracht, welches in der Nähe der Lichtaustrittsfläche in einer Matrixplatte dichtend eingesetzt ist. Die LED können beispielsweise entsprechend der Module gruppenweise auf einer Platine angeordnet sein und gemeinsam bestromt werden. Weitere konstruktive Maßnahmen können zur Berücksichtigung der Betriebsparameter der LED, beispielsweise hinsichtlich der Temperierung, vorgesehen sein. Ein Optimum bezüglich Lichtleistung, Ausnutzung und Lebensdauer liegt bei einem Betriebszustand etwas unterhalb der empfohlenen Werte. Unter solchen Bedingungen verbessert sich - im Gegensatz zur Glühlampe - auch die relative Lichtausbeute, d. h. die Helligkeit je eingesetzter Leistungseinheit.However, according to claim 3, an LED matrix can also be equipped with a plurality of LED modules to form a predetermined emission surface. Preferably, each module contains a specific number of individual LEDs, which are connected in such a way that a safety concept with respect to LED failure can be realized. In addition, each LED module can be equipped with its own optical element. The totality of the optical elements of all LED modules of the LED matrix then form the second optical system according to the invention. The LED modules together with optical elements are preferably housed in a housing which is sealingly inserted in the vicinity of the light exit surface in a matrix plate. The LED can, for example, accordingly the modules are arranged in groups on a board and are energized together. Further constructional measures can be provided for the consideration of the operating parameters of the LED, for example with regard to the temperature control. An optimum in terms of light output, utilization and service life in an operating state is slightly below the recommended values. Under such conditions - in contrast to incandescent lamps - the relative luminous efficiency, ie the brightness per unit of power used, also improves.

Als moderne Leuchtmittel, die für den Glühlampenersatz infrage kommen, können gemäß Anspruch 4 auch flächige Leuchtelemente auf der Basis organischer LED vorgesehen sein. Auch für diese ist durch den Einsatz einer Lichtbündeloptik, die keine Abbildungsqualität aufweisen muss, die Weiterverwendung der Hauptoptik ermöglicht.As modern lamps, which come into question for the incandescent lamp, according to claim 4 also flat light elements can be provided on the basis of organic LED. For these too, the use of a light bundle optics, which need not have any imaging quality, enables the further use of the main optics.

Nachfolgend wird die Erfindung anhand figürlicher Darstellungen näher erläutert. Es zeigen:

Figur 1
den prinzipiellen Aufbau eines herkömmlichen Glühlampen-Signals und
Figur 2
ein Signalaufbau mit LED-Matrix.
The invention will be explained in more detail with reference to figurative representations. Show it:
FIG. 1
the basic structure of a conventional light bulb signal and
FIG. 2
a signal structure with LED matrix.

In Figur 1 ist das Funktionsprinzip eines Glühlampensignals nach dem Stand der Technik veranschaulicht. Die Glühwendel 1 einer Glühlampe 2 ist dabei im Brennpunkt eines optischen Systems 3 der Brennweite f1 angeordnet. Charakteristisch für die Glühwendel 1 ist ein Strahlungskegel 4, dessen Öffnungswinkel den Durchmesser und die optische Achse 5 des optischen Systems 3 bestimmt. Das optische System 3 ist dabei üblicherweise für Fresnel- und/oder asphärische Linsenform derart berechnet, dass sich eine hohe Lichtintensität für den Fernbereich und für den schräg nach unten gerichteten Nahbereich ergibt, wobei standortspezifische Parameter, wie beispielsweise der Gleisradius am Aufstellungsort, berücksichtigt sind.FIG. 1 illustrates the functional principle of a prior art incandescent light signal. The incandescent filament 1 of an incandescent lamp 2 is arranged at the focal point of an optical system 3 of the focal length f1. Characteristic of the incandescent filament 1 is a radiation cone 4 whose opening angle determines the diameter and the optical axis 5 of the optical system 3. The optical system 3 is usually calculated for Fresnel and / or aspherical lens shape such that there is a high light intensity for the far field and for the obliquely downward short-range, with site-specific parameters, such as the track radius at the site, are taken into account.

Um dieses hochwertige optische System auch für andere Leuchtmittel anstelle der Glühwendel 1 verwenden zu können, ist ein zweites optisches System 6 in Form eine fokussierenden Linse vorgesehen, wie aus Figur 2 ersichtlich. Das Licht einer LED-Matrix 7, die mit mehreren LED 8 bestückt ist, wird durch dieses zweite optische System 6 der Brennweite f2 auf einen Brennpunkt 9 fokussiert, der mit dem Brennpunkt des ersten optischen Systems 3 und damit mit der Glühwendellage in Figur 1 übereinstimmt. Auf diese Weise wird durch das vorgelagerte zweite optische System 6 im Brennpunkt 9 quasi ein glühwendelartiger Lichtfleck erzeugt, der mittels des übernommenen ersten optischen Systems 3 in den gewünschten Fernbereich und mittels eines angedeuteten Linsensegmentes 10 in den Nahbereich gestreut wird.In order to use this high-quality optical system for other lamps instead of the filament 1, a second optical system 6 is provided in the form of a focusing lens, as shown in Figure 2. The light of an LED matrix 7, which is equipped with a plurality of LEDs 8, is focused by this second optical system 6 of the focal length f2 to a focal point 9, which coincides with the focal point of the first optical system 3 and thus with the incandescent layer in FIG , In this way, a glühwendelartiger light spot is quasi produced by the upstream second optical system 6 in the focal point 9, which is scattered by means of the acquired first optical system 3 in the desired long-range and by means of an indicated lens segment 10 in the vicinity.

Die Erfindung beschränkt sich nicht auf das vorstehend angegebene Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche auch bei grundsätzlich anders gearteter Ausführung von den Merkmalen der Erfindung Gebrauch machen. The invention is not limited to the embodiment given above. Rather, a number of variants are conceivable, which make use of the features of the invention even with fundamentally different type of execution.

Claims (4)

  1. Light signal with a luminous means and a first optical system (3), which is designed to radiated the light of a luminous means in the form of an incandescent lamp in a defined solid angle, in particular for the display of signal indications on rail-bound traffic routes, characterized in that the luminous means is formed as an LED arrangement, between the LED arrangement and the first optical system (3) there being arranged a second optical system (6), the focal point (9) of which essentially coincides with the focal point of the first optical system (3) on the light entry side.
  2. Light signal according to Claim 1, characterized in that the LED arrangement comprises a single LED which has a focusing lens as a second optical system.
  3. Light signal according to Claim 1, characterized in that the LED arrangement is formed as an LED matrix (7) with a plurality of essentially identical LED modules, which define an essentially circular radiation area.
  4. Light signal according to Claim 1, characterized in that the LED arrangement is formed as an essentially circular luminous area based on organic LEDs.
EP04090427A 2003-12-05 2004-11-09 Light signal Not-in-force EP1538059B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10358053A DE10358053A1 (en) 2003-12-05 2003-12-05 light signal
DE10358053 2003-12-05

Publications (2)

Publication Number Publication Date
EP1538059A1 EP1538059A1 (en) 2005-06-08
EP1538059B1 true EP1538059B1 (en) 2006-07-26

Family

ID=34442516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04090427A Not-in-force EP1538059B1 (en) 2003-12-05 2004-11-09 Light signal

Country Status (5)

Country Link
US (1) US20050122719A1 (en)
EP (1) EP1538059B1 (en)
CN (1) CN1624376A (en)
AT (1) ATE334031T1 (en)
DE (2) DE10358053A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2113439A2 (en) 2008-04-30 2009-11-04 Siemens Aktiengesellschaft Light signal
EP2113712A1 (en) 2008-04-30 2009-11-04 Siemens Aktiengesellschaft Light signal
EP2163455A2 (en) 2008-09-15 2010-03-17 Siemens Aktiengesellschaft Light signal

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008061556A1 (en) * 2008-12-11 2009-09-24 Daimler Ag Lighting device for vehicle, has optically effective correction element changing path of rays of light between source of light matrix and optically effective element such that virtual curvature of flat carrier plate is caused
JP2010157381A (en) 2008-12-26 2010-07-15 Helios Techno Holding Co Ltd Light-emitting device
DE102009039704A1 (en) * 2009-08-31 2011-03-17 Siemens Aktiengesellschaft light signal
DE102009039703A1 (en) * 2009-08-31 2011-03-17 Siemens Aktiengesellschaft light signal
DE202010002125U1 (en) * 2010-02-10 2011-08-30 Zumtobel Lighting Gmbh Arrangement for emitting light with punctiform light sources and reflector
DE102010024381A1 (en) * 2010-06-16 2011-12-22 Siemens Aktiengesellschaft light signal
GB2495120B (en) * 2011-09-29 2015-11-18 Howells Group Plc Railway light signals
DE102011054233B4 (en) * 2011-10-06 2019-06-19 HELLA GmbH & Co. KGaA Transformation optics assembly
DE102015200246A1 (en) * 2015-01-12 2016-07-14 Siemens Aktiengesellschaft light signal
CN114333334B (en) * 2022-03-11 2022-05-17 南京企朋软件技术有限公司 Automatic road monitoring method and system and network side server

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787935A (en) * 1946-09-30 1957-04-09 Nippon Kogaku Kk Optical projection condensing lens system of variable magnification of the cross section of the light ray bundle
DE3226580A1 (en) * 1981-12-08 1983-06-16 Robert Bosch Gmbh, 7000 Stuttgart HEADLIGHTS FOR MOTOR VEHICLES
US4770518A (en) * 1987-04-08 1988-09-13 Cambridge Instruments Inc. Apparatus for indicating intensity of an illuminator in an optical instrument
JP2870790B2 (en) * 1989-03-17 1999-03-17 ミノルタ株式会社 Lighting system for micro reader printer
KR19980028035A (en) * 1995-10-25 1998-07-15 윌리엄 이. 힐러 Lighting system for hard copy devices
KR100449129B1 (en) * 1995-10-25 2005-01-24 인스트루먼츠 인코포레이티드 텍사스 Investigation system
US5833355A (en) * 1996-12-06 1998-11-10 Dialight Corporation Led illuminated lamp assembly
GB2329011B (en) * 1997-09-04 2001-12-19 Howells Railway Products Ltd Plural-LED lights
AT500056B8 (en) * 1998-01-19 2007-02-15 Swarco Futurit Verkehrssignals OPTIC ELEMENT FOR TRAFFIC SIGNS, INDICATOR TABLES OR DGL.
US6106137A (en) * 1998-02-20 2000-08-22 Lorin Industries, Inc. Reflector for automotive exterior lighting
US6019493A (en) * 1998-03-13 2000-02-01 Kuo; Jeffrey High efficiency light for use in a traffic signal light, using LED's
US6722771B1 (en) * 1999-05-18 2004-04-20 Eugene Stephens Hand held traffic control light
DE10046840A1 (en) * 2000-09-20 2002-07-04 Goodrich Hella Aerospace Ls Reading light for a vehicle interior
US6789928B2 (en) * 2001-11-13 2004-09-14 Mohammed John Fitzgerald Khan Automatic mechetronic wheel light device
KR100450815B1 (en) * 2002-02-01 2004-10-01 삼성전자주식회사 Illumination system and projection display device employing it
US6911915B2 (en) * 2002-09-04 2005-06-28 Leotek Electronics Corporation Compact light emitting diode retrofit lamp and method for traffic signal lights
JP4040955B2 (en) * 2002-11-06 2008-01-30 株式会社小糸製作所 Vehicle headlamp and manufacturing method thereof
ITFI20030017A1 (en) * 2003-01-22 2004-07-23 Ceo Ct Di Eccellenza Optronica TRAFFIC ADJUSTMENT DEVICE

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2113439A2 (en) 2008-04-30 2009-11-04 Siemens Aktiengesellschaft Light signal
EP2113712A1 (en) 2008-04-30 2009-11-04 Siemens Aktiengesellschaft Light signal
DE102008022344A1 (en) 2008-04-30 2009-11-05 Siemens Aktiengesellschaft light signal
DE102008022346A1 (en) 2008-04-30 2009-11-05 Siemens Aktiengesellschaft light signal
EP2163455A2 (en) 2008-09-15 2010-03-17 Siemens Aktiengesellschaft Light signal
DE102008047664A1 (en) 2008-09-15 2010-05-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. light signal

Also Published As

Publication number Publication date
DE10358053A1 (en) 2005-07-14
EP1538059A1 (en) 2005-06-08
US20050122719A1 (en) 2005-06-09
CN1624376A (en) 2005-06-08
DE502004001032D1 (en) 2006-09-07
ATE334031T1 (en) 2006-08-15

Similar Documents

Publication Publication Date Title
DE10034594B4 (en) Dental treatment light
EP1538059B1 (en) Light signal
DE102014211874B4 (en) Lighting device of a motor vehicle
DE102005043992B4 (en) Signal light of a vehicle
EP2799761A2 (en) Light module for a motor vehicle headlamp
AT518551B1 (en) Automotive illuminating device
DE102010056313A1 (en) Lighting device for motor vehicle for generating two different light distributions, has two light sources for emitting light and header optics for bundling light emitted from light sources
DE102007044740A1 (en) Vehicle headlight, has LEDs arranged at set of LED fields, and individually switched on and switched off and/or dimmable independently and groupwise, where optical unit is attached to each LED field
EP2307792A1 (en) Luminaire
DE102018113768A1 (en) Motor vehicle headlight with at least two light modules
DE102014221389A1 (en) Light module of a lighting device and lighting device with such a light module
DE10200359A1 (en) Lighting unit for road vehicles has primary and secondary light sources
WO2014165890A1 (en) Lighting unit for a vehicle headlamp
DE102014116983B4 (en) LASER OPTICAL SYSTEM FOR A VEHICLE HEADLIGHT IN WHICH A BEAM LENS FOCUSING A LASER BEAM IS IN DIRECT CONTACT WITH A LUMINOUS BODY EXCITED BY THE LASER BEAM
EP1431158A1 (en) Headlamp and signaling lights for a railway vehicle.
EP2113712A1 (en) Light signal
EP1500868A2 (en) LED module for vehicle headlamps, and vehicle headlamp
EP1577863B1 (en) Display device with optical fibers
DE19930584C1 (en) Optical signalling device for traffic control signal uses light source elements positioned on base plate with their positioning determining beam characteristic or light intensity distribution
DE102020100552A1 (en) Light with a brake light function and a tail light function
DE10052655B4 (en) Lighting device for motor vehicles
DE102014204613A1 (en) Lighting device for a motor vehicle
DE102012201706A1 (en) Operating light has multiple light emitting diodes for determining illumination of operating field and secondary reflector, which directs light emitted by light emitting diode on to operation field
EP3473918B1 (en) Lighting device for a motor vehicle headlight
DE102019123515B4 (en) Motor vehicle headlight with two projection light modules of different focal length and equally wide illuminated light exit lenses

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK YU

17P Request for examination filed

Effective date: 20050704

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20060726

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: CH

Ref legal event code: NV

Representative=s name: SIEMENS SCHWEIZ AG

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 502004001032

Country of ref document: DE

Date of ref document: 20060907

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061026

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061026

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061026

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061106

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20061030

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061130

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061226

ET Fr: translation filed
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20070427

BERE Be: lapsed

Owner name: SIEMENS A.G.

Effective date: 20061130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061027

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061109

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070127

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060726

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCAR

Free format text: SIEMENS SCHWEIZ AG;INTELLECTUAL PROPERTY FREILAGERSTRASSE 40;8047 ZUERICH (CH)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20131119

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20131105

Year of fee payment: 10

Ref country code: IT

Payment date: 20131127

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20141110

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20150209

Year of fee payment: 11

Ref country code: DE

Payment date: 20150119

Year of fee payment: 11

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20150601

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20150731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20141201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20141109

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20151015

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502004001032

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20151109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160601

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151109

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 334031

Country of ref document: AT

Kind code of ref document: T

Effective date: 20161109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161109