EP2929233A1 - Portable hand lamp - Google Patents

Portable hand lamp

Info

Publication number
EP2929233A1
EP2929233A1 EP13799211.1A EP13799211A EP2929233A1 EP 2929233 A1 EP2929233 A1 EP 2929233A1 EP 13799211 A EP13799211 A EP 13799211A EP 2929233 A1 EP2929233 A1 EP 2929233A1
Authority
EP
European Patent Office
Prior art keywords
light
light source
portable
housing
circuit board
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.)
Granted
Application number
EP13799211.1A
Other languages
German (de)
French (fr)
Other versions
EP2929233B1 (en
Inventor
Christian GERBIG
Johannes Frücht
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Protection Systems IP GmbH and Co KG
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 Eaton Protection Systems IP GmbH and Co KG filed Critical Eaton Protection Systems IP GmbH and Co KG
Publication of EP2929233A1 publication Critical patent/EP2929233A1/en
Application granted granted Critical
Publication of EP2929233B1 publication Critical patent/EP2929233B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
    • 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 portable flashlight with a lamp housing and arranged on the lamp housing handle.
  • this housing has two light exit openings, each of which is assigned a light source and a lens device inside the housing.
  • the respective light source is at least one LED (light emitting diode).
  • the light sources can be arranged together on a printed circuit board for electrical supply and control. This results in a compact flashlight with the realization of search light and work light in a flashlight, with search light and work light each using a separate light exit opening and a separate light source.
  • the construction of the hand lamp is simplified as a whole, whereby this is provided with a printed circuit board for the electrical supply and control of both light sources.
  • the printed circuit board can be arranged on a heat sink.
  • a heat sink may have cooling fins or the like.
  • printed circuit board and heat sink may be connected to a lens holder for holding the lens device.
  • the connection can be made by, for example, that the heat sink is formed integrally with the lens holder, and only the printed circuit board is to be arranged accordingly on the heat sink.
  • Other possibilities for connecting the printed circuit board and heat sink with the lens holder are also possible.
  • the lens device can be designed in different ways.
  • the lens device may have two lenses each associated with one of the light exit openings. That is, the one 2
  • Lens with associated LED allows the search light and the other lens with associated LED allows the working light.
  • the lenses are arranged at different distances to the respective light source and held by the lens holder.
  • the arrangement need not be static, but may be variable to change the focus.
  • the lens holder can be detachably arranged inside the housing.
  • Such a detachable arrangement can be carried out, for example, by screwing the lens holder into the housing or by other fastening measures.
  • the lens holder with lenses, heat sink and printed circuit board is designed as an exchange module. That is, the entire replacement module is both easy to use in the flashlight and possibly interchangeable. Furthermore, the corresponding replacement module can be composed of individual parts, s. the above embodiments and in particular printed circuit board, heat sink and lens holder and held by the lens holder lenses as individual parts.
  • a heat conducting device such as heat conducting foil, heat paste or the like may be arranged between them.
  • a distance between the lens and the associated light source can be fixed. This can apply to both search light and work light or even only one of these lights. In other words, with such a fixed distance, focusing is not necessary, but the lens is in each case arranged such that, for example, the corresponding light source is already arranged in the focal point of the lens.
  • the flashlight can then be recharged via a corresponding charger.
  • the battery capacity indicator light can be used as the battery capacity indicator light.
  • the hand lamp is used directly, there is an indication of a battery capacity in a critical area in which, for example, search light or work light operate in the flashing mode. Then the user of the flashlight can perform a corresponding charge.
  • the flashing mode may include a continuous flashing or even a brief flashing.
  • a brief flashing there is accordingly only a brief interruption of the search light or work light which otherwise operates in continuous operation.
  • the printed circuit board has already been stated that this is designed for electrical supply and control of the corresponding light sources.
  • Such a controller may include a monitoring of the flashlight, so that, for example, in particular after switching on the flashlight, a self-test is feasible.
  • an automatic reduction of the light intensity takes place, which, for example, is possible if a user of the flashlight has become accustomed to a diminished ambient brightness after a certain time by adapting his eyes.
  • the lamp housing can be formed from an upper lamp head housing part to a lower battery housing part, which are in particular pivotally connected to each other.
  • the lamp head part could be pivoted relative to the battery housing part without the battery housing part taking part in the pivoting movement.
  • This can be realized by a pivot axis between the two housing parts or by a gimbal connection between them.
  • FIG. 1 is a perspective view of a portable handheld light according to the invention from one side and
  • FIG. 2 shows a longitudinal section through the flashlight according to FIG. 1.
  • FIG. 1 shows a perspective side view of an exemplary embodiment of a portable hand lamp 1 according to the invention.
  • This has a luminaire housing 2, which is composed of an upper lamp head housing part 19 and a lower battery housing part 20. Between the two housing parts 19, 20 a pivot bearing 21 is arranged, which allows pivoting of the two housing parts relative to each other.
  • a corresponding number of batteries and in particular rechargeable batteries is arranged. Recharging can be done by means of a charger.
  • a handle 3 is arranged, which allows a carrying the hand lamp 1 by a user.
  • a switch 22 is arranged in the region of the handle 3, which allows a switching on and off of the portable flashlight 1 in a simple manner.
  • the light exit opening 4 allows, for example, search light and the light exit opening 5 work light.
  • FIG. 2 shows a longitudinal section through the portable hand lamp 1 according to FIG.
  • Battery housing part 20 pivotally connected to the upper lamp head housing part 19.
  • two light sources 6, 7 are arranged, which are each formed by an LED 10, 11.
  • the two LEDs are spaced apart from each other together on a printed circuit board 12. This is used for electrical supply and control not only of the LEDs, but also other parts and applications of the portable flashlight. 1
  • the printed circuit board 12 is arranged on a heat sink 13, wherein between these a heat conducting device 18 in the form, for example.
  • a heat conducting foil or thermal paste can be arranged.
  • Printed circuit board and heat sink have essentially the same dimensions.
  • a spacer 23 may be arranged on the side facing the light exit opening 4, 5 which is annular and at its end remote from the printed circuit board holds a lens device 8 in the form of two lenses 15 and 16.
  • the two lenses 15, 16 are arranged at a different distance from the respective light source 6, 7.
  • the combination of lens 15 with LED 10 as the light source 6 serves to provide an add-on light and the combination of lens 16 with LED 11 as a further light source 7 to provide a working light.
  • a lens holder 14 For the attachment of spacers 23 and thus also printed circuit board 12 and heat sink 13 within the housing interior 9 is a lens holder 14. This is within the lamp housing 2, for example. Screwed with a screw 25. By the corresponding spacer 23, a distance between the corresponding lens 15 or 16 and associated light source 6 or 7 is predetermined. Manual focusing is not necessary.
  • Light sources 6, 7, lens device 8, printed circuit board 12, and heat sink 13 may be summarized in a replacement module 17, so that they are overall handled and interchangeable. Another part of the replacement module may be the lens holder 14. D. h., The entire exchange module can be used by means of the lens holder 14 within the flashlight 1 and can be arranged there in the appropriate position.
  • one of the light sources 6, 7 fails while it is currently in use, it is possible, in particular, to switch over automatically to the other light source.
  • the search light and thus the light source 6, can be converted to working light and light source 7 P2013 / 003603
  • At least one light source can be used as a battery capacity indicator light.
  • the battery capacity of the batteries 24 drops below a predetermined desired value
  • one of the light sources can be switched to a flashing mode.
  • the flashing frequency may be in relation to the remaining battery capacity, so that, for example, a faster flashing takes place with a further decrease in the battery capacity.
  • This flashing can also be done when using the flashlight, which in this context is advantageous if the flashing is done only over a period of time and not as a continuous flash.
  • the printed circuit board and the electronics arranged thereon it is still possible to carry out a self-test, in particular after switching on the flashlight.
  • This may include, for example, the battery capacity, the functionality of the light sources and also reviews of other parts of the flashlight.
  • the portable hand lamp according to the invention a plurality of LEDs for each of the light sources 6, 7 are used. This also applies to only one light source. Furthermore, it is conceivable that, at least prior to insertion of the corresponding exchange module 17, the focusing of the respective light source is changed by changing the distance of the lens to ⁇ ordered. Furthermore, it should be noted that the corresponding light exit openings 4 and 5 may be closed by a transparent pane ⁇ nen, for example, to protect lenses or other parts of the portable flashlight inside the housing from shock or contamination.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Endoscopes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention relates to a portable lamp (1) comprising a lamp housing (2) and a handle (3) disposed on the lamp housing (2). In the lamp housing (2) light outlet openings (4, 5) are formed, each of which light outlet opening (4, 5) is associated with at least one light source (6, 7) and a lens unit (8) for light focussing in the interior of the housing (9). The respective light source (6, 7) is at least one LED. In this way a hand lamp is obtained having a compact shape and providing searchlight and working light in one hand lamp, wherein the searchlight and working light each have a separate light outlet opening and a separate light source.

Description

n en e
European Patent Attorneys European Patent Attorneys
Hans Hilgers Hans Hilgers
Thomas Schuster  Thomas Schuster
Dr. Klara Goldbach  Dr. Klara Goldbach
Martin Aufenanger, LL.M. Martin Aufenanger, LL.M.
Gottfried Klitzsch Gottfried Klitzsch
Dr. Heike Vogelsang-Wenke Dr. Heike Vogelsang-Wenke
Reinhard Knauer Reinhard Knauer
Grünecker Leopoldstr. 4 80802 München Germany Dietmar Kühl  Grünecker Leopoldstr. 4 80802 Munich Germany Dietmar Kühl
Dr. Franz-Josef Zimmer Dr. Franz-Josef Zimmer
Bettina K. Reichelt Bettina K. Reichelt
Dr. Anton K. Pfau  Dr. Anton K. Peacock
Dr. Udo Weigelt  Dr. Udo Weigelt
Rainer Bertram  Rainer Bertram
Jens C. Koch, M.S. (U of PA) Jens C. Koch, M.S. (U of PA)
Bernd Rothaemel Bernd Rothaemel
Thomas W. Laubenthal Thomas W. Laubenthal
Dr. Andreas KayserDr. Andreas Kayser
Dr. Jens Hammer Dr. Jens Hammer
Dr. Thomas Eickelkamp Dr. Thomas Eickelkamp
Dr. Peter Miltenyi 1 Dr. Peter Miltenyi 1
Dr. Moritz Höffe  Dr. Moritz Höffe
Gero Maatz-Jansen Gero Maatz-Jansen
Michael Heise Michael Heise
Christian Meisinger Christian Meisinger
Ihr Zeichen / Your Ref. Unser Zeichen / Our Ref. Datum / Date Dr. Martin Ahr Your Sign / Your Ref. Our Sign / Our Ref. Date / Date Martin Ahr
Dr. Wolfgang Neubeck Dr. Wolfgang Neubeck
PCT77116HHBRgsc 28. November 2013 Steven M. Zeman, Ph. D. PCT77116HHBRgsc November 28, 2013 Steven M. Zeman, Ph. D.
Andre Nickel, LL.M.  Andre Nickel, LL.M.
Felix Kahr  Felix Kahr
Dr. Alexander Stumvoll Dr. Stefano Marchini 2 Dr. Stefano Cerrito 2 Edoardo Feira 2 Dr. Alexander Stumvoll Stefano Marchini 2 Stefano Cerrito 2 Edoardo Feira 2
Rechtsanwälte  Lawyers
Attorneys-at-Law  Attorneys-at-Law
Dr. Helmut Eichmann  Dr. Helmut Eichmann
Anmelder: Cooper Crouse-Hinds GmbH Gerhard Barth  Applicant: Cooper Crouse-Hinds GmbH Gerhard Barth
Dr. Ulrich Blumenröder, LL.M. Senator-Schwartz-Ring 26 Christa Rohnke  Dr. Ulrich Blumenröder, LL.M. Senator Schwartz ring 26 Christa Rohnke
Prof. Dr. Maximilian Kinkeldey, LL.M 59494 Soest Dr. Karsten Brandt  Prof. Dr. Maximilian Kinkeldey, LL.M 59494 Soest Karsten Brandt
Anja Franke, LL.M.  Anja Franke, LL.M.
Ute Stephani  Ute Stephani
Dr. Bernd Allekotte, LL.M. 4 Dr. Elvira Bertram, LL.M. Babett Ertle Dr. Bernd Allekotte, LL.M. 4 dr. Elvira Bertram, LL.M. Babett Ertle
Christine Neuhierl  Christine Neuhierl
Sabine Brandstätter Cornelia Schmitt  Sabine Brandstätter Cornelia Schmitt
Petra Lübbe  Petra Lübbe
Dr. Holger Gauss  Dr. Holger Gauss
Tragbare Handleuchte Dr. Nicolas Schmitz  Portable Hand Lamp Dr. Nicolas Schmitz
Marina Schlumberger Kirsten Hammerstingl Andreas Wagner  Marina Schlumberger Kirsten Hammerstingl Andreas Wagner
Sebastian Clotten, LL.M. Jennifer Springer, LL.M. Ina Schwerter-Strumpf Mark Peters  Sebastian Clotten, LL.M. Jennifer Springer, LL.M. Ina swords stocking Mark Peters
BERLIN  BERLIN
Patentanwälte  patent attorneys
European Patent Attorneys European Patent Attorneys
Dr. Patrick P. Erk, M.S. (MIT) Dr. Svenja Sethmann Tino Rumpold Dr. Patrick P. Erk, M.S. (MIT) Svenja Sethmann Tino Rumpold
KÖLN  COLOGNE
Patentanwälte  patent attorneys
European Patent Attorneys European Patent Attorneys
Dr. Martin Dropmann Dr. Martin Dropmann
Rechtsanwälte  Lawyers
Attorneys-at-Law  Attorneys-at-Law
llka Bittner, LL.M.  llka Bittner, LL.M.
PARIS 5 PARIS 5
Conseil en Propriete Industrielle European Patent Attorney Conseil en Propriete Industrial European Patent Attorney
Dr. Wolfgang Neubeck Dr. Wolfgang Neubeck
Grünecker Kinkeldey Stockmair & Schwanhäusser Deutsche Bank München Grünecker Kinkeldey Stockmair & Schwanhäusser Deutsche Bank Munich
Leopoldstr. 4 Tel. +49 (0) 89 21 23 50 Konto / Account: 175 1734 00  Leopoldstr. 4 Tel. +49 (0) 89 21 23 50 Account / Account: 175 1734 00
80802 München Fax +49 (0) 89 22 02 87 BLZ / Bank Code: 700 700 10 '  80802 Munich Fax +49 (0) 89 22 02 87 BLZ / Bank Code: 700 700 10 '
Germany [email protected] SWIFT / BIC-code: DEUT DE MM  Germany [email protected] SWIFT / BIC-code: DEUT EN MM
www.grunecker.de IBAN: DE 47 7007 0010 0175 173400 1 www.grunecker.de IBAN: DE 47 7007 0010 0175 173400 1
Tragbare Handleuchte Portable hand lamp
Die Erfindung betrifft eine tragbare Handleuchte mit einem Leuchtengehäuse und einem am Leuchtengehäuse angeordneten Handgriff. The invention relates to a portable flashlight with a lamp housing and arranged on the lamp housing handle.
Um in einfacher Weise sowohl ein Suchlicht als auch ein Arbeitslicht mittels der Hand- leuchte zu realisieren, weist dieses Gehäuse zwei Lichtaustrittsöffnungen auf, denen jeweils eine Lichtquelle und eine Linseneinrichtung im Gehäuseinneren zugeordnet ist. Die jeweilige Lichtquelle ist zumindest eine LED (lichtemittierende Diode). Die Lichtquellen können gemeinsam auf einer Leiterkarte zur elektrischen Versorgung und Steuerung angeordnet sein. Dadurch ergibt sich eine kompakte Handleuchte mit der Realisierung von Suchlicht und Arbeitslicht in einer Handleuchte, wobei Suchlicht und Arbeitslicht jeweils eine separate Lichtaustrittsöffnung und eine separate Lichtquelle verwenden. In order to realize both a search light and a work light by means of the hand lamp in a simple manner, this housing has two light exit openings, each of which is assigned a light source and a lens device inside the housing. The respective light source is at least one LED (light emitting diode). The light sources can be arranged together on a printed circuit board for electrical supply and control. This results in a compact flashlight with the realization of search light and work light in a flashlight, with search light and work light each using a separate light exit opening and a separate light source.
Durch die Verwendung nur einer Leiterkarte wird insgesamt der Aufbau der Handleuchte vereinfacht, wobei diese eine Leiterkarte zur elektrischen Versorgung und Steuerung bei- der Lichtquellen vorgesehen ist. By using only one printed circuit board, the construction of the hand lamp is simplified as a whole, whereby this is provided with a printed circuit board for the electrical supply and control of both light sources.
Um in diesem Zusammenhang in einfacher Weise die Lichtquellen und auch die Leiterkarte ausreichend kühlen zu können, kann die Leiterkarte auf einem Kühlkörper angeordnet sein. Ein solcher Kühlkörper kann Kühllamellen oder dergleichen aufweisen. In order to be able to sufficiently cool the light sources and also the printed circuit board in this connection, the printed circuit board can be arranged on a heat sink. Such a heat sink may have cooling fins or the like.
Um die Anordnung von Leiterkarte und Kühlkörper innerhalb des Gehäuseinneren zu ver- einfachen, können Leiterkarte und Kühlkörper mit einem Linsenhalter zur Halterung der Linseneinrichtung verbunden sein. Die Verbindung kann dadurch erfolgen, dass bspw. der Kühlkörper integral mit dem Linsenhalter ausgebildet ist, und nur die Leiterkarte entsprechend auf dem Kühlkörper anzuordnen ist. Ebenfalls denkbar ist ein Verschrauben von bspw. Kühlkörper und Linsenhalter, wobei die Leiterkarte auf dem Kühlkörper angeordnet ist. Andere Möglichkeiten zur Verbindung von Leiterkarte und Kühlkörper mit dem Linsenhalter sind ebenfalls möglich. In order to simplify the arrangement of printed circuit board and heat sink within the housing interior, printed circuit board and heat sink may be connected to a lens holder for holding the lens device. The connection can be made by, for example, that the heat sink is formed integrally with the lens holder, and only the printed circuit board is to be arranged accordingly on the heat sink. Also conceivable is a screwing of, for example, heat sink and lens holder, wherein the printed circuit board is arranged on the heat sink. Other possibilities for connecting the printed circuit board and heat sink with the lens holder are also possible.
Die Linseneinrichtung kann in unterschiedlicher Weise ausgebildet sein. Um eine Fokus- sierung für Suchlicht und Arbeitslicht zu vereinfachen, kann die Linseneinrichtung zwei jeweils einer der Lichtaustrittsöffnungen zugeordnete Linsen aufweisen. D. h., die eine 2 The lens device can be designed in different ways. In order to simplify focusing for search light and work light, the lens device may have two lenses each associated with one of the light exit openings. That is, the one 2
Linse mit zugeordneter LED ermöglicht das Suchlicht und die andere Linse mit zugeordneter LED das Arbeitslicht.  Lens with associated LED allows the search light and the other lens with associated LED allows the working light.
In diesem Zusammenhang besteht die Möglichkeit, dass die Linsen in unterschiedlichen Entfernungen zur jeweiligen Lichtquelle angeordnet und vom Linsenhalter gehalten sind. Die Anordnung muss nicht statisch sein, sondern kann ggf. zur Änderung der Fokussie- rung variabel sein. In this context, there is the possibility that the lenses are arranged at different distances to the respective light source and held by the lens holder. The arrangement need not be static, but may be variable to change the focus.
Um den Linsenhalter in einfacher Weise im Gehäuseinneren anordnen zu können, kann der Linsenhalter im Gehäuseinnern lösbar angeordnet sein. Eine solche lösbare Anordnung kann bspw. durch Einschrauben des Linsenhalters in das Gehäuse oder durch an- dere Befestigungsmaßnahmen erfolgen. In order to be able to arrange the lens holder in a simple manner inside the housing, the lens holder can be detachably arranged inside the housing. Such a detachable arrangement can be carried out, for example, by screwing the lens holder into the housing or by other fastening measures.
Dabei ist es insbesondere als vorteilhaft anzusehen, wenn ggf. der Linsenhalter mit Linsen, Kühlkörper und Leiterkarte als Austauschmodul ausgebildet ist. D. h., das gesamte Austauschmodul ist sowohl einfach in die Handleuchte einsetzbar als auch ggf. austauschbar. Weiterhin ist das entsprechende Austauschmodul aus Einzelteilen zusammen- setzbar, s. die obigen Ausführungen und insbesondere Leiterkarte, Kühlkörper und Linsenhalter sowie vom Linsenhalter gehaltene Linsen als Einzelteile. It is particularly advantageous if, if necessary, the lens holder with lenses, heat sink and printed circuit board is designed as an exchange module. That is, the entire replacement module is both easy to use in the flashlight and possibly interchangeable. Furthermore, the corresponding replacement module can be composed of individual parts, s. the above embodiments and in particular printed circuit board, heat sink and lens holder and held by the lens holder lenses as individual parts.
Um eine entsprechende Wärmeübertragung zwischen Leiterkarte und Kühlkörper zu verbessern, kann eine Wärmeleiteinrichtung wie Wärmeleitfolie, Wärmepaste oder dergleichen zwischen diesen angeordnet sein. Um ggf. auf eine zusätzliche Fokussierung von Suchlicht bzw. Arbeitslicht zu verzichten, kann ein Abstand zwischen Linse und zugehöriger Lichtquelle fest vorgegeben sein. Diese kann für sowohl Suchlicht als auch Arbeitslicht oder auch nur für eins dieser Lichter gelten. D. h., bei einem solchen festen Abstand ist eine Fokussierung nicht notwendig, sonder die Linse ist jeweils so angeordnet, dass bspw. die entsprechende Lichtquelle be- reits im Brennpunkt der Linse angeordnet ist. In order to improve a corresponding heat transfer between printed circuit board and heat sink, a heat conducting device such as heat conducting foil, heat paste or the like may be arranged between them. If necessary, to dispense with an additional focus of search light or work light, a distance between the lens and the associated light source can be fixed. This can apply to both search light and work light or even only one of these lights. In other words, with such a fixed distance, focusing is not necessary, but the lens is in each case arranged such that, for example, the corresponding light source is already arranged in the focal point of the lens.
Bei Einsatz der Handleuchte könnte eine Lichtquelle ausfallen. Um in diesem Zusammenhang zu verhindern, dass weiterhin eine ausreichende Beleuchtung möglich ist, ist es denkbar, dass bei Ausfall einer Lichtquelle auf die andere Lichtquelle insbesondere automatisch umschaltbar ist. 3 When using the flashlight, a light source could fail. In order to prevent in this context that continues to be sufficient lighting is possible, it is conceivable that in case of failure of a light source to the other light source is automatically switched in particular. 3
Es besteht die Möglichkeit, eine zusätzliche optische oder akustische Anzeigeeinrichtung an der Handleuchte vorzusehen, die bspw. bei unzureichender Batteriekapazität ein Signal abgibt. In Reaktion auf ein solches Signal kann dann ein Wiederaufladen der Handleuchte über ein entsprechendes Ladegerät erfolgen. Es besteht ebenfalls die Möglichkeit, dass zumindest eine der Lichtquellen von Suchlicht oder Arbeitslicht als Batteriekapazi- tätsanzeigeleuchte einsetzbar ist. In diesem Zusammenhang kann es insbesondere als vorteilhaft angesehen werden, wenn zumindest eine Lichtquelle bei einer Batteriekapazität unter einem vorgegebenen Sollwert in einen Blinkmodus umschaltbar ist. D. h., auch bei direktem Einsatz der Handleuchte erfolgt ein Hinweis auf eine Batteriekapazität in ei- nem kritischen Bereich, in dem bspw. Suchlicht bzw. Arbeitslicht im Blinkmodus arbeiten. Daraufhin kann der Benutzer der Handleuchte einen entsprechenden Ladevorgang durchführen. Der Blinkmodus kann ein Dauerblinken oder auch nur ein kurzzeitiges Blinken umfassen. Bei einem kurzzeitigen Blinken erfolgt entsprechend nur eine kurzzeitige Unterbrechung des Suchlichtes bzw. Arbeitslichtes, das ansonsten im Dauerbetrieb arbeitet. Hinsichtlich der Leiterkarte wurde bereits ausgesagt, dass diese zur elektrischen Versorgung und auch Steuerung der entsprechenden Lichtquellen ausgebildet ist. Eine solche Steuerung kann eine Überwachung der Handleuchte umfassen, sodass bspw. insbesondere nach einem Einschalten der Handleuchte ein Selbsttest durchführbar ist. Es besteht ebenfalls die Möglichkeit, da zur Verlängerung der Einsatzzeit der Handleuchte eine au- tomatische Reduzierung der Lichtintensität erfolgt, was bspw. dann möglich ist, wenn ein Benutzer der Handleuchte sich nach einer gewissen Zeit durch Adaption seiner Augen an eine verminderte Umgebungshelligkeit gewöhnt hat.  It is possible to provide an additional visual or audible indicator on the flashlight, which emits a signal, for example. In case of insufficient battery capacity. In response to such a signal, the hand lamp can then be recharged via a corresponding charger. There is also the possibility that at least one of the light sources of search light or work light can be used as the battery capacity indicator light. In this context, it may in particular be considered advantageous if at least one light source can be switched over to a flashing mode at a battery capacity below a predetermined desired value. In other words, even if the hand lamp is used directly, there is an indication of a battery capacity in a critical area in which, for example, search light or work light operate in the flashing mode. Then the user of the flashlight can perform a corresponding charge. The flashing mode may include a continuous flashing or even a brief flashing. In the case of a brief flashing, there is accordingly only a brief interruption of the search light or work light which otherwise operates in continuous operation. With regard to the printed circuit board has already been stated that this is designed for electrical supply and control of the corresponding light sources. Such a controller may include a monitoring of the flashlight, so that, for example, in particular after switching on the flashlight, a self-test is feasible. There is also the possibility that to extend the service life of the flashlight an automatic reduction of the light intensity takes place, which, for example, is possible if a user of the flashlight has become accustomed to a diminished ambient brightness after a certain time by adapting his eyes.
Um die Handleuchte besser handhaben zu können und ggf. in einfacher Weise nach oben und unten ohne Gewichtsbelastung durch Batterien oder dergleichen verschwenken zu können, kann das Leuchtengehäuse aus einem oberen Leuchtenkopfgehäuseteil an einen unteren Batteriegehäuseteil gebildet sein, welche insbesondere verschwenkbar miteinander verbunden sind. D. h., bei einer solchen Verschwenkbarkeit könnte das Leuchtenkopf- teil relativ zum Batteriegehäuseteil verschwenkt werden, ohne dass das Batteriegehäuseteil die Schwenkbewegung mitmacht. Dies kann durch eine Schwenkachse zwischen den beiden Gehäuseteilen oder auch durch eine kardanische Verbindung zwischen diesen realisiert werden. 3 In order to handle the hand lamp better and possibly in a simple way to pivot up and down without weight load by batteries or the like, the lamp housing can be formed from an upper lamp head housing part to a lower battery housing part, which are in particular pivotally connected to each other. In other words, with such a pivotability, the lamp head part could be pivoted relative to the battery housing part without the battery housing part taking part in the pivoting movement. This can be realized by a pivot axis between the two housing parts or by a gimbal connection between them. 3
4 4
Im Folgenden wird ein vorteilhaftes Ausführungsbeispiel der Erfindung anhand einer der in der Zeichnung beigefügten Figuren näher beschrieben.  In the following, an advantageous embodiment of the invention will be described with reference to one of the figures attached in the drawing.
Es zeigen: Show it:
Fig. 1 eine perspektivische Ansicht einer erfindungsgemäßen tragbaren Hand- leuchte von einer Seite her und 1 is a perspective view of a portable handheld light according to the invention from one side and
Fig. 2 einen Längsschnitt durch die Handleuchte nach Fig. 1. 2 shows a longitudinal section through the flashlight according to FIG. 1.
Figur 1 zeigt in der perspektivischen Seitenansicht ein Ausführungsbeispiel einer tragbaren Handleuchte 1 gemäß Erfindung. Diese weist ein Leuchtengehäuse 2 auf, das sich aus einem oberen Leuchtenkopfgehäuseteil 19 und einem unteren Batteriegehäuseteil 20 zusammensetzt. Zwischen den beiden Gehäuseteilen 19, 20 ist ein Schwenklager 21 angeordnet, das ein Verschwenken beider Gehäuseteile relativ zueinander ermöglicht. FIG. 1 shows a perspective side view of an exemplary embodiment of a portable hand lamp 1 according to the invention. This has a luminaire housing 2, which is composed of an upper lamp head housing part 19 and a lower battery housing part 20. Between the two housing parts 19, 20 a pivot bearing 21 is arranged, which allows pivoting of the two housing parts relative to each other.
Im unteren Batteriegehäuseteil 20 ist eine entsprechende Anzahl von Batterien und insbesondere wiederaufladbaren Batterien angeordnet. Ein Wiederaufladen kann mittels eines Ladegeräts erfolgen. Am Leuchtengehäuseteil 19 ist ein Handgriff 3 angeordnet, der ein Tragen der Handleuchte 1 durch einen Benutzer ermöglicht. Weiterhin ist im Bereich des Handgriffs 3 ein Schalter 22 angeordnet, der ein Ein- und Ausschalten der tragbaren Handleuchte 1 in einfacher Weise ermöglicht. In the lower battery housing part 20, a corresponding number of batteries and in particular rechargeable batteries is arranged. Recharging can be done by means of a charger. On the lamp housing part 19, a handle 3 is arranged, which allows a carrying the hand lamp 1 by a user. Furthermore, a switch 22 is arranged in the region of the handle 3, which allows a switching on and off of the portable flashlight 1 in a simple manner.
Auf einer Lichtaustrittsseite des Leuchtenkopfgehäuseteils 19 sind zwei Lichtaustrittsöff- nungen 4 bzw. 5 angeordnet. Die Lichtaustrittsöffnung 4 ermöglicht bspw. Suchlicht und die Lichtaustrittsöffnung 5 Arbeitslicht. On a light exit side of the lamp head housing part 19 two Lichtaustrittsöff- openings 4 and 5 are arranged. The light exit opening 4 allows, for example, search light and the light exit opening 5 work light.
Ein Umschalten zwischen Arbeitslicht und Suchlicht kann über den Schalter 22 erfolgen, wobei dieser bspw. zwei Einschaltstellungen aufweist, von denen, die eine eine Suchlichtstellen und die andere eine Arbeitslichtstellung ist. In Figur 2 ist ein Längsschnitt durch die tragbare Handleuchte 1 nach Figur 1 dargestellt. Switching between working light and search light can be done via the switch 22, which has, for example, two switch-on positions, one of which is a search light and the other is a working light position. FIG. 2 shows a longitudinal section through the portable hand lamp 1 according to FIG.
Im unteren Batteriegehäuseteil 20 des Leuchtengehäuses 2 ist eine Anzahl von wiederaufladbaren Batterien erkennbar, s. Bezugszeichen 24. Über das Schwenklager 21 ist das 5 In the lower battery housing part 20 of the lamp housing 2, a number of rechargeable batteries can be seen, s. Reference numeral 24. About the pivot bearing 21 is the 5
Batteriegehäuseteil 20 mit dem oberen Leuchtenkopfgehäuseteil 19 verschwenkbar verbunden. In dessem Inneren, s. Gehäuseinneres 9, sind zwei Lichtquellen 6, 7 angeordnet, die jeweils durch eine LED 10, 11 gebildet sind. Die beiden LEDs sind beabstandet voneinander gemeinsam auf einer Leiterkarte 12 angeordnet. Diese dient zur elektrischen Versorgung und Steuerung nicht nur der LEDs, sondern auch anderer Teile und Einsatzmöglichkeiten der tragbaren Handleuchte 1.  Battery housing part 20 pivotally connected to the upper lamp head housing part 19. In its interior, s. Housing interior 9, two light sources 6, 7 are arranged, which are each formed by an LED 10, 11. The two LEDs are spaced apart from each other together on a printed circuit board 12. This is used for electrical supply and control not only of the LEDs, but also other parts and applications of the portable flashlight. 1
Die Leiterkarte 12 ist auf einem Kühlkörper 13 angeordnet, wobei zwischen diesen eine Wärmeleiteinrichtung 18 in Form bspw. einer Wärmeleitfolie oder Wärmeleitpaste angeordnet sein kann. Leiterkarte und Kühlkörper weisen im Wesentlichen gleiche Abmessun- gen auf. Auf der Leiterkarte kann auf der den Lichtaustrittsöffnung 4, 5 zuweisenden Seite ein Abstandshalter 23 angeordnet sein, der ringförmig ausgebildet ist und an seinem von der Leiterkarte fortweisenden Ende eine Linseneinrichtung 8 in Form zweier Linsen 15 und 16 hält. Die beiden Linsen 15, 16 sind in einem unterschiedlichen Abstand zur jeweiligen Lichtquelle 6, 7 angeordnet. Die Kombination aus Linse 15 mit LED 10 als Lichtquel- le 6 dient zur Bereitstellung eines Suchtlichtes und die Kombination aus Linse 16 mit LED 11 als weitere Lichtquelle 7 zur Bereitstellung eines Arbeitslichtes. The printed circuit board 12 is arranged on a heat sink 13, wherein between these a heat conducting device 18 in the form, for example. A heat conducting foil or thermal paste can be arranged. Printed circuit board and heat sink have essentially the same dimensions. On the printed circuit board, a spacer 23 may be arranged on the side facing the light exit opening 4, 5 which is annular and at its end remote from the printed circuit board holds a lens device 8 in the form of two lenses 15 and 16. The two lenses 15, 16 are arranged at a different distance from the respective light source 6, 7. The combination of lens 15 with LED 10 as the light source 6 serves to provide an add-on light and the combination of lens 16 with LED 11 as a further light source 7 to provide a working light.
Zur Befestigung von Abstandshalter 23 und damit auch Leiterkarte 12 bzw. Kühlkörper 13 innerhalb des Gehäuseinneren 9 dient ein Linsenhalter 14. Dieser ist innerhalb des Leuchtengehäuses 2 bspw. mit einem Verschraubungsring 25 verschraubbar. Durch den entsprechenden Abstandshalter 23 ist ein Abstand zwischen der entsprechenden Linse 15 bzw. 16 und zugeordneter Lichtquelle 6 bzw. 7 vorgegeben. Eine manuelle Fokussierung ist nicht notwendig. For the attachment of spacers 23 and thus also printed circuit board 12 and heat sink 13 within the housing interior 9 is a lens holder 14. This is within the lamp housing 2, for example. Screwed with a screw 25. By the corresponding spacer 23, a distance between the corresponding lens 15 or 16 and associated light source 6 or 7 is predetermined. Manual focusing is not necessary.
Lichtquellen 6, 7, Linseneinrichtung 8, Leiterkarte 12, und Kühlkörper 13 können in einem Austauschmodul 17 zusammengefasst sein, sodass dieses insgesamt handhabbar und austauschbar sind. Weiterer Teil des Austauschmoduls kann der Linsenhalter 14 sein. D. h., das gesamte Austauschmodul ist mittels des Linsenhalters 14 innerhalb der Handleuchte 1 einsetzbar und dort in entsprechender Position anordbar. Light sources 6, 7, lens device 8, printed circuit board 12, and heat sink 13 may be summarized in a replacement module 17, so that they are overall handled and interchangeable. Another part of the replacement module may be the lens holder 14. D. h., The entire exchange module can be used by means of the lens holder 14 within the flashlight 1 and can be arranged there in the appropriate position.
Fällt eine der Lichtquellen 6, 7 aus, während sie gerade im Einsatz ist, kann insbesondere automatisch auf die andere Lichtquelle umgeschaltet werden. D. h., bei Ausfall bspw. des Suchlichtes und damit der Lichtquelle 6, kann auf Arbeitslicht und auf Lichtquelle 7 umge- P2013/003603 If one of the light sources 6, 7 fails while it is currently in use, it is possible, in particular, to switch over automatically to the other light source. D. h., In case of failure, for example, the search light and thus the light source 6, can be converted to working light and light source 7 P2013 / 003603
6 6
schaltet werden. Dies kann über die Leiterkarte und deren entsprechende elektronische Einrichtungen erfolgen. be switched. This can be done via the circuit board and its corresponding electronic devices.
Bei der erfindungsgemäßen Handleuchte 1 ist ebenfalls möglich, dass zumindest eine Lichtquelle als Batteriekapazitätsanzeigeleuchte einsetzbar ist. D. h., falls bspw. die Batte- riekapazität der Batterien 24 unter einen vorgegebenen Sollwert sinkt, kann eine der Lichtquellen in einen Blinkmodus umschaltbar sein. Die Blinkfrequenz kann in Relation zur verbleibenden Batteriekapazität stehen, sodass bei weiterer Abnahme der Batteriekapazität bspw. ein schnelleres Blinken erfolgt. Dieses Blinken kann auch bei Einsatz der Handleuchte erfolgen, wobei in diesem Zusammenhang von Vorteil ist, wenn das Blinken nur über einen bestimmten Zeitraum und nicht als Dauerblinken erfolgt. In the hand lamp 1 according to the invention is also possible that at least one light source can be used as a battery capacity indicator light. In other words, if, for example, the battery capacity of the batteries 24 drops below a predetermined desired value, one of the light sources can be switched to a flashing mode. The flashing frequency may be in relation to the remaining battery capacity, so that, for example, a faster flashing takes place with a further decrease in the battery capacity. This flashing can also be done when using the flashlight, which in this context is advantageous if the flashing is done only over a period of time and not as a continuous flash.
Mittels der Leiterkarte und der darauf angeordneten Elektronik besteht weiterhin die Möglichkeit, insbesondere nach Einschalten der Handleuchte einen Selbsttest durchzuführen. Dieser kann bspw. die Batteriekapazität, die Funktionsfähigkeit der Lichtquellen und auch Überprüfungen weiterer Teile der Handleuchte umfassen. By means of the printed circuit board and the electronics arranged thereon, it is still possible to carry out a self-test, in particular after switching on the flashlight. This may include, for example, the battery capacity, the functionality of the light sources and also reviews of other parts of the flashlight.
Es ist denkbar, dass bei der tragbaren Handleuchte gemäß Erfindung auch mehrere LEDs für jede der Lichtquellen 6, 7 einsetzbar sind. Dies gilt ebenfalls für nur eine Lichtquelle. Weiterhin ist denkbar, dass zumindest vor Einsetzen des entsprechenden Austauschmoduls 17 die Fokussierung der jeweiligen Lichtquelle durch Abstandsveränderung der zu¬ geordneten Linse verändert wird. Weiterhin ist zu beachten, dass die entsprechenden Lichtaustrittsöffnungen 4 und 5 durch eine transparente Scheibe geschlossen sein kön¬ nen, um bspw. Linsen oder andere Teile der tragbaren Handleuchte im Gehäuseinneren vor Stößen oder Verschmutzung zu schützen. It is conceivable that in the portable hand lamp according to the invention, a plurality of LEDs for each of the light sources 6, 7 are used. This also applies to only one light source. Furthermore, it is conceivable that, at least prior to insertion of the corresponding exchange module 17, the focusing of the respective light source is changed by changing the distance of the lens to ¬ ordered. Furthermore, it should be noted that the corresponding light exit openings 4 and 5 may be closed by a transparent pane ¬ nen, for example, to protect lenses or other parts of the portable flashlight inside the housing from shock or contamination.

Claims

7 Ansprüche 7 claims
1. Tragbare Handleuchte (1) mit einem Leuchtengehäuse (2) und einem am Leuchtengehäuse angeordneten Handgriff (3), wobei im Leuchtengehäuse (2) Lichtaustrittsöffnungen (4,5) ausgebildet sind, denen jeweils zumindest eine Lichtquelle (6, 7) und eine Linseneinrichtung (8) zur Lichtfokussierung im Gehäuseinneren (9) zugeordnet ist, wobei die jeweilige Lichtquelle (6, 7) zumindest eine LED (lichtemittierende Diode) (10, 11) ist. 1. Portable hand lamp (1) with a lamp housing (2) and arranged on the lamp housing handle (3), wherein in the lamp housing (2) light exit openings (4,5) are formed, each having at least one light source (6, 7) and a Lens device (8) for light focusing in the housing interior (9) is assigned, wherein the respective light source (6, 7) at least one LED (light emitting diode) (10, 11).
2. Tragbare Handleuchte nach Anspruch 1 , dadurch gekennzeichnet, dass die Lichtquellen (6, 7) gemeinsam auf einer Leiterkarte ( 2) zur elektrischen Versorgung und Steuerung angeordnet sind. 2. Portable flashlight according to claim 1, characterized in that the light sources (6, 7) are arranged together on a printed circuit board (2) for electrical supply and control.
3. Tragbare Handleuchte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Leiterkarte (12) auf einem Kühlkörper (13) angeordnet ist. 3. Portable flashlight according to claim 1 or 2, characterized in that the circuit board (12) on a heat sink (13) is arranged.
4. Tragbare Handleuchte nach Anspruch 1 , 2 oder 3, dadurch gekennzeichnet, dass Leiterkarte (12) und Kühlkörper (13) mit einem Linsenhalter (14) zur Halterung der Linseneinrichtung (8) verbunden sind. 4. Portable flashlight according to claim 1, 2 or 3, characterized in that printed circuit board (12) and heat sink (13) with a lens holder (14) for holding the lens device (8) are connected.
5. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Linseneinrichtung (8) zwei jeweils einer der Lichtaustrittsöffnungen (4, 5) zugeordnete Linsen (15, 16) aufweist. 5. Portable hand lamp according to one of the preceding claims, characterized in that the lens device (8) has two each one of the light exit openings (4, 5) associated lenses (15, 16).
6. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Linsen (15, 16) in unterschiedlichen Abständen zur jeweiligen Lichtquelle (6, 7) angeordnet und von dem Linsenhalter (14) gehalten sind. 6. Portable flashlight according to one of the preceding claims, characterized in that the lenses (15, 16) at different distances to the respective light source (6, 7) are arranged and held by the lens holder (14).
7. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Linsenhalter (14) im Gehäuseinneren (9) lösbar angeordnet ist. 7. Portable hand lamp according to one of the preceding claims, characterized in that the lens holder (14) in the housing interior (9) is detachably arranged.
8. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Linsenhalter (14) mit Linsen (15, 16), Kühlkörper (13) und Leiterkarte (12) als Austauschmodul (17) ausgebildet ist. 8 8. Portable hand lamp according to one of the preceding claims, characterized in that the lens holder (14) with lenses (15, 16), heat sink (13) and printed circuit board (12) is designed as an exchange module (17). 8th
9. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen Leiterkarte (12) und Kühlkörper (13) eine Wärmeleiteinrichtung (18) angeordnet ist.  9. Portable hand lamp according to one of the preceding claims, characterized in that between the printed circuit board (12) and the heat sink (13) a heat conducting device (18) is arranged.
10. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Abstand zwischen Linse (15, 16) und zugehöriger Lichtquelle (6, 7) fest vorgegeben ist. 10. Portable flashlight according to one of the preceding claims, characterized in that the distance between the lens (15, 16) and associated light source (6, 7) is fixed.
11. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass bei Ausfall einer Lichtquelle (6, 7) auf die andere Lichtquelle (7, 6) insbesondere automatisch umschaltbar ist. 11. Portable hand lamp according to one of the preceding claims, characterized in that in case of failure of a light source (6, 7) to the other light source (7, 6) is in particular automatically switched.
12. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine Lichtquelle (6, 7) als Batteriekapazitätsanzei- geleucnte einsetzbar ist. 12. Portable flashlight according to one of the preceding claims, characterized in that at least one light source (6, 7) as Batteriekapazitätsanzei- geleucnte can be used.
13. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine Lichtquelle (6, 7) bei einer Batteriekapazität unter einem vorgegebenen Sollwert in einen Blinkmodus umschaltbar ist. 13. Portable flashlight according to one of the preceding claims, characterized in that at least one light source (6, 7) is switchable at a battery capacity below a predetermined desired value in a flashing mode.
14. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass insbesondere nach Einschalten der Handleuchte (1) ein Selbsttest durchführbar ist. 14. Portable flashlight according to one of the preceding claims, characterized in that in particular after switching on the flashlight (1), a self-test is feasible.
15. Tragbare Handleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Leuchtgehäuse (2) aus einem oberen Leuchtenkopfge- häuseteil (19) und einem unteren Batteriegehäuseteil (20) gebildet ist, welche ins besondere verschwenkbar miteinander verbunden sind. 15. Portable flashlight according to one of the preceding claims, characterized in that the light-emitting housing (2) from an upper Leuchtenkopfge- housing part (19) and a lower battery housing part (20) is formed, which are connected to each other in particular pivotable.
EP13799211.1A 2012-12-06 2013-11-28 Portable hand lamp Active EP2929233B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012023935.1A DE102012023935A1 (en) 2012-12-06 2012-12-06 Portable hand lamp
PCT/EP2013/003603 WO2014086467A1 (en) 2012-12-06 2013-11-28 Portable hand lamp

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EP2929233A1 true EP2929233A1 (en) 2015-10-14
EP2929233B1 EP2929233B1 (en) 2022-09-28

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BR (1) BR112015012961A2 (en)
DE (1) DE102012023935A1 (en)
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CN109442322A (en) * 2018-10-24 2019-03-08 宁波天瑞电器有限公司 A kind of portable multi-purpose searchlight

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RU12453U1 (en) * 1999-06-21 2000-01-10 Открытое акционерное общество "Научно-исследовательский институт "Зенит" MINERAL INDIVIDUAL LIGHT
HK1069071A2 (en) * 2004-10-16 2005-05-06 John Mfg Ltd Rechargeable halogen searchligh with led & fluorescent light.
WO2007071110A1 (en) * 2005-12-21 2007-06-28 Sekit Yuen A hand optoelectronic searchlight
US7402961B2 (en) * 2006-01-10 2008-07-22 Bayco Products, Ltd. Circuit for illuminating multiple light emitting devices
US7845827B2 (en) * 2007-05-08 2010-12-07 The Coleman Company, Inc. LED spotlight
CN201897085U (en) * 2010-07-19 2011-07-13 东莞盛时五金塑胶制品有限公司 Head lamp

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DE102012023935A1 (en) 2014-06-26
BR112015012961A2 (en) 2017-07-11
CN104956143B (en) 2019-09-17
RU2609568C2 (en) 2017-02-02
CN104956143A (en) 2015-09-30
RU2015123795A (en) 2017-01-11
EP2929233B1 (en) 2022-09-28
SA515360524B1 (en) 2020-09-30

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