EP1649212A1 - Raumleuchteneinrichtung - Google Patents
RaumleuchteneinrichtungInfo
- Publication number
- EP1649212A1 EP1649212A1 EP04737368A EP04737368A EP1649212A1 EP 1649212 A1 EP1649212 A1 EP 1649212A1 EP 04737368 A EP04737368 A EP 04737368A EP 04737368 A EP04737368 A EP 04737368A EP 1649212 A1 EP1649212 A1 EP 1649212A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- lighting device
- prism
- room lighting
- elements
- 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
Links
Classifications
-
- 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
- F21V5/02—Refractors for light sources of prismatic shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/007—Lighting devices or systems producing a varying lighting effect using rotating transparent or colored disks, e.g. gobo wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
-
- 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 room lighting device, e.g. Architectural lighting device, with two aligned refractive elements, the centers of which lie essentially in the beam axis of a light source, and one of which is held rotatable about the beam axis.
- a room lighting device e.g. Architectural lighting device, with two aligned refractive elements, the centers of which lie essentially in the beam axis of a light source, and one of which is held rotatable about the beam axis.
- a luminaire device in which a single wedge-shaped light-refracting element is arranged in the beam path of a light source, which element is arranged coaxially to the axis of the beam of the light source and is rotated about this axis at a relatively high speed of at least 3600 rpm.
- the refractive element deflects the light beam by a certain angle, resulting in a light cone surface on an irradiated surface that circles at high speed.
- This luminaire device is usually set in such a way that an area is irradiated by the rotating light cone surface, the diameter of which is twice as large as the diameter of the light cone surface rotating on the irradiated surface. Illumination of an enlarged area, which appears flicker-free to the human eye, is achieved in this way, corresponding to the area swept by the circular cone of light.
- a room lamp device in particular architectural lamp device, is known in accordance with the type mentioned at the beginning, two lens panes being arranged in front of a light source in this known room lamp device; the lens panes are profiled optical elements which have a large number of thickened and thin areas in order to achieve a refraction of light in some areas.
- One of the lens disks is adjustable relative to the second, stationary lens disk, for example linearly displaceable or rotatable, in order to enable different combined refractions of light and thus to widen or narrow the light beam emitted by the light source.
- this is achieved in a room lamp device of the type mentioned at the outset in that the other light-refracting element is also held rotatable about the beam axis, the two light-refracting elements being assigned drive means including a control unit for optionally rotating in the same direction or in opposite directions, and in that both light-refracting elements are prismatic elements , wherein at least the two refractive prism elements are arranged in a common housing.
- the proposed measures make it possible to deflect a light beam coming from the light source in a relatively large area by appropriately controlling the two light-refractive prism elements and to direct it in the desired direction.
- the light beam can thereby be deflected in any direction without the light source itself being moved in any way.
- the light beam emerging from a substantially rigidly held light source can be deflected comparatively far from the optical axis of the light source depending on the wedge angle of the prism elements and can reach practically any point in a room, for example.
- the maximum projection area to be covered is determined via the prism angle of the light-refractive prism elements and can be determined according to the respective field of application. It is particularly advantageous that large light beam deflections can also be realized with the technology according to the invention, such as deflection angles of ⁇ 45 ° relative to the optical axis of the light beam coming from the light source.
- the common arrangement of the prism elements in a common housing protects against dirt, dust or moisture. te arrangement of the prism elements and a simplified installation such as on a ceiling or wall of a room.
- the light source can be of any design, and in the event that special optical effects, for example in a sales room, are desired, it can also be a projector or the like.
- the light beam emerging from the projector can be deflected in any direction by the two independently movable prism elements.
- the light source can also be a contour spotlight or any other luminaire with either edge-sharp imaging technology or colored light technology or a combination of these.
- the two prism elements For a linear swiveling of the light cone out of the optical axis defined by the light source, the two prism elements have to be rotated at the same speed in opposite directions, whereas a circular, coupled rotation of the two prism elements is required for circling the light cone about this optical axis.
- the speeds used depend on the desired effect.
- At least one light-refractive prism element has a lens-like bulge on at least one prism surface.
- at least one light-refractive prism element has a lens-like depression on at least one prism surface.
- the light beam can also be bundled or scattered in order to reduce or enlarge the light spot on the illuminated surface or to achieve a higher or lower illuminance. Combinations of convex and concave designs can also be provided.
- the light-refractive prism element arranged further away from the light source is at least as large in a plane perpendicular to the beam axis of the light source as the light-refractive prism element closer to the light source and is preferably of identical shape.
- the light-refracting prism elements have a circular cross section. This ensures that essentially all of the light beam emerging from the light source in the direction of the prism elements passes through them, regardless of the position of the two prism elements relative to one another.
- the symmetries of the wedge angles of the two light-refractive prism elements run essentially perpendicular to the beam axis of the light source.
- each prism element runs essentially perpendicular to the beam axis of the light source.
- each light-refractive prism element If a separate motor is provided as the drive means for each light-refractive prism element, it is easily possible to adjust the two prism elements independently of one another in order to deflect the light beam in any direction. It is advantageous for a simple implementation of the drive connections if the light-refracting prism elements are each surrounded by a ring gear which meshes with a pinion which is connected to the associated motor. These measures ensure that the two prism elements are set independently of one another in a simple manner.
- the two light-refractive prism elements can also be driven in another way, for example with the aid of a friction drive.
- the two prism elements in particular re if they have a circular cross-section, be surrounded by a tight rubber ring, which is attacked by a friction rim.
- gearwheels there is the advantage that the transmission of a rotary movement takes place in a form-fitting manner and therefore very precisely, and there is no problem of slippage, which can never be excluded with a friction drive.
- the motors are arranged in the region of the light source and drive the individual light-refracting prism elements via waves running parallel to the beam axis of the light source.
- a particularly space-saving design can be achieved if the two light-refracting prism elements are each surrounded by an annular armature, which forms the rotor of a respective electric motor, which further has a stator having at least two coils on the side of the armature.
- the motors are stepper motors.
- stepper motors and the control of these stepper motors it is possible to store positions of the respective stepper motor in a simple manner and then move to them again without the need for own rotary encoders, such as optical rotary sensors, encoders, Hall sensors or the like.
- a control unit with a motor step counting module for position storage and control is assigned to the motors designed as stepper motors.
- the stepper motors can then directly drive the above-mentioned shafts, for example, and thus rotate the prism elements via the pinions and ring gears.
- electrical or electromagnetic drive means can also be provided without mechanical transmission elements, an advantageous example for the above-mentioned embodiment with the ring-shaped armature being directly on the prism elements and the associated stator in the region of the armature.
- the drive means together with the control unit and the light source which is preferably assigned a reflector, are arranged in the common housing.
- the room lighting device can be installed in a particularly simple manner in ceilings, walls or floors of a room.
- the drive means of the light-refracting prism elements can be controlled by remote control. In this way, the movement of the light beam emerging from the room lamp device can be controlled from any location in the desired manner.
- the remote control can also be influenced by a processor-controlled converter program, the program in its simplest form being stored in a transmitting / receiving unit in an EPROM. Preselected settings for settings of the two prism elements that have to be repeated again and again are also conceivable. It is also possible to provide a low speed for the adjustment of the prism elements in order to be able to quickly stop a further movement in the case of a processor-controlled or via a manually operated remote control controlled room lamp device when a desired position of the light cone is reached. Furthermore, especially for architectural lights or spotlights, it is conceivable to control the drive means of the two prism elements not only via, for example, an infrared or radio remote control, but also via fixed wiring with its own control lines (bus). Furthermore, a modulated signal transmission for controlling the drive means of the light-refracting prism elements can also be provided.
- control signals for the drive means of the refractive prism elements can also be from another system, such as a building bus system, derived and automatically transmitted.
- At least one optical component such as a color filter, a lens, a color changer or the like, is arranged between the light source and the downstream refractive prism element. In this way it is e.g. possible to influence the light color or the bundling or scattering of the light beam emerging from the room lamp device and to adapt it to the respective requirements.
- an attachment unit is held on a housing which contains the light source, which attachment unit has the common housing in which the two light-refracting prism elements are arranged.
- the housing of the light source could be fixed to the respective room surface or architectural surface independently of the housing of the attachment unit, but to simplify assembly, it is particularly expedient if the attachment unit and the housing of the light source are used to connect connecting elements, for example plug-in, screw, and / or locking elements.
- connecting elements for example plug-in, screw, and / or locking elements.
- the light-refractive prism elements are each designed with a large number of linear prism areas or prism parts in the manner of Fresnel plates. Due to the overall staged design of the prism elements, they have a comparatively low height, so that a low overall height is made possible for the room lighting device.
- the prism areas or prism parts are matted or blackened on their surfaces which run at least substantially parallel to the beam axis in order to avoid total reflection.
- undesirable effects per se can be caused by total internal reflection on these surfaces.
- the light on these surfaces emerges from the prism elements without causing total reflection;
- the situation is similar with the blackening of the surfaces, since in this case the light rays are absorbed on the surfaces mentioned and converted into heat radiation (infrared radiation), an internal total reflection within the prism elements on these surfaces likewise being avoided or at least greatly reduced.
- a motor vehicle headlight in which two prismatic panes which can be rotated relative to one another are provided in order to adjust a light beam passing through them to the side but also downwards.
- a similar motor vehicle headlight design is further described in DE 701 365 C, two prismatic disks being provided there, which are coupled with a common pinion and can thus be rotated in opposite directions at the same speeds.
- the pinion is in particular coupled to the steering system, so that the direction of rotation of the steering wheel align the emitted light beams accordingly.
- Figure 1 shows schematically a room lighting device according to the invention.
- Fig. 2 shows in schematic form the setting options in such a room lighting device
- FIG. 3 shows a modified embodiment of such a room lamp device with an attachment unit in front of a ceiling lamp
- FIG. 4 shows a detail in a schematic cross section of an embodiment of the prism elements with a plurality of linear prism areas in the manner of Fresnel plates, with matting or blackening also being indicated on the vertical step surfaces;
- FIGS. 5 and 6 in schematic top views of embodiments of the prism elements, direct drive means with a stepping motor being provided for driving the prism elements;
- FIGS. 7, 7A, 7B and 7C in an axonometric representation, in a top view and in a view a further embodiment of a prism element direct drive means.
- a housing 2 is installed in a ceiling plate 3 of a room and held there with claws 4, the housing 2 having a collar or flange 5 which bears on the ceiling plate 3 and an edge area of a Hole in the ceiling plate 3 overlaps.
- a reflector 6 is held in the housing 2, the holder for the reflector 6 for reasons of better clarity is not shown. In any case, the reflector 6 is rigidly connected to the housing 2.
- a light source 7 e.g. a lamp, which can be of any design. Furthermore, a holder 7 'for the light source 7 is held in the reflector 6, to which leads, not shown, lead which serve to supply the light source 7 with the required electrical energy.
- An optical component 8 such as a color filter and / or a lens and / or a color changer, is arranged below the light source 7 and is arranged essentially coaxially with the reflector 6.
- this optical component 8 there are at least two essentially wedge-shaped light-refracting prism elements 9, 10, each of which is rotatably held separately, these prism elements 9, 10 also being arranged coaxially with the reflector 6 and about the beam axis 11, i.e. the optical axis of the light source 7 together with the reflector 6 are rotatable.
- the arrangement of the two prism elements 9, 10 is, as shown, preferably configured such that the symmetry of the wedge angle of each of these two prism elements 9, 10 runs essentially perpendicular to the beam axis 11.
- the two light-refracting prism elements 9, 10 have a substantially circular shape in plan view (cf. also FIG. 2) and have a ring gear 12 on their periphery. In principle, however, the prism elements 9, 10 could also be square or rectangular. These prism elements 9, 10 can also be a regular polygon, e.g. a regular hexagon. However, there may be differences in brightness in the generated light cone surface due to the corner regions of such light-refracting prism elements, which may, however, be desirable in order to achieve certain effects.
- the ring gears 12 each mesh with a pinion 13 which is connected to a shaft 14 in a rotationally fixed manner.
- These waves 14 are each in a flange 15 fixed to the housing and rotatably connected to a gear 16.
- the shafts 14 are also supported in an upper structural part, not shown.
- the gears 16 in turn mesh each with drive pinion 17 which can be driven by a motor 18 or 19.
- motors 18, 19 - which are preferably stepper motors - drive the shafts 14 directly (ie without the gears 16/17), the shafts 14 the output shafts of the motors 18, 19 or extensions thereof.
- control unit 20 which also supplies the corresponding voltage for the light source 7 and can be influenced via a remote control 21, which is only shown schematically.
- this control unit 20 contains a motor step counting module 20 ', as is schematically arranged in FIG. 1 (and 3), so as to store motor positions by counting and storing steps or to be able to control it later.
- the two light-refracting prism elements 9, 10 can be rotated independently of one another.
- the light beam of the light source 7 passing through the upper refractive prism element 9 in FIG. 1 is refracted toward the thicker area of the refractive prism element 9. This refracted light beam is refracted again by the second refractive prism element 10.
- the light cone emerging from the light source 7 or the light cone surface generated by it on a projection surface can be moved over the surface enclosed by a line 22.
- the light source 7 can also be formed, for example, by an LED or a plurality of LEDs instead of by a lamp. It can be provided that the two light-refractive prism elements 9, 10 are kept in rotation, since, since the reflector 6 is stationary, there are no problems with the leads to the light source 7. However, it is also possible to rotate one of the prism elements 9, 10 or both prism elements 9, 10 only to change the exit angle of the light beam from the room lamp device 1 and to leave it in the desired position after it has been reached. This depends on the desired optical effect.
- the refractive prism elements 9, 10 are provided with essentially flat wedge or prism surfaces 23, 24 and 25, 26, respectively. If desired, however, these wedge surfaces 23 to 26 (or some of them) can also be convex or concave, as shown schematically in Fig. 1 at 23 'or 26' with dashed lines, in order to focus or scatter the prism elements through these 9, 10 to reach light beam passing through. In such a case, however, it is also essential that an essentially wedge-shaped shape of these light-refractive prism elements 9, 10 is retained.
- these prism elements 9, 10 can have any other shape, e.g. a square shape.
- these prism elements 9, 10 are arranged “concentrically” with respect to the beam axis 11 and can be rotated about them.
- a friction drive for the light-refracting prism elements 9, 10 can also be provided, whereby the prism elements 9, 10 can each be provided, for example, with a ring made of an elastomer material, which interact with drivable friction wheels.
- FIG. 3 shows an example of a customary ceiling light 1 'with a light source 7 held in a reflector 6.
- the reflector 6 is held in a housing 2' of the ceiling light 1 ', an optical element 8 being held in the housing 2' again , 3 essentially corresponds to the lamp according to FIG. 1, but contains the housing 2 'no refractive prism elements. Instead, an attachment unit 27 with light-refracting prism elements 9, 10 is mounted on the housing 2 'of the ceiling light 1'.
- This attachment unit 27 has its own housing 28 which is provided with a flange 29 which is fastened by means of clips 30 to a flange 5 of the housing 2 'of the ceiling light 1'.
- the two light-refractive prism elements 9, 10 are rotatably held in the housing 28, and the light-refractive prism elements 9, 10 are provided with bevel gear rings 12 'which are driven by bevel pinions 13', which in turn are driven by motors 18, 19.
- the light-refractive prism elements 9, 10, or their conical sprockets 12 ', are supported on two further bevel pinions, not shown, with a total of three conical pinions simultaneously centering the refractive prism elements 9, 10.
- the motors 18, 19 are again controlled via a control unit 20, control electronics which are supplied via an electrical feed line 31 which is introduced into the housing 28 via a feedthrough 32.
- the feed line 31 is also carried out, for example, through the ceiling plate 3.
- the attachment unit 27 with the housing 28, in which the two prism elements 9, 10, which can be rotated independently of one another, are arranged, can be used as an attachment to any luminaires or can be attached to their housings in front of the light source.
- the invention thus also includes a room lamp device in the form of such an attachment unit which contains in a housing 28 at least two essentially wedge-shaped light-refracting prism elements 9, 10 which are rotatably held and which The beam axis 11 of the light source 7 was arranged in alignment and can be rotated independently of one another.
- the prism elements 9, 10 located in this housing 28 of the front unit 27 essentially comprise the same features as were described above.
- With the front unit 27 it is possible to retrofit any room lights with the front unit 27 acting as a light directing unit. It is expedient if it is provided that the attachment unit 27 and the lighting device 1 'have connecting elements for mutual connection, such as the clips 30, but also other plug-in, screw-in and / or latching elements.
- attachment unit 27 it is also possible not to attach the attachment unit 27 to the room lamp 1 'itself, but rather in the wall or ceiling areas surrounding the lamp.
- FIG. 4 schematically illustrates two light-refracting prism elements 9, 10, the remaining components of the room lighting device having been omitted for the sake of simplicity; in this regard, however, reference can be made to FIG. 1 or FIG. 3.
- 4 shows bearings 33, 34 for the prism elements 9, 10, which in turn are rotatably mounted independently of one another, only schematically, the drive means having been omitted.
- the drive means can be designed as illustrated in FIG. 3 or else as illustrated in the following FIGS. 5, 6 or 7.
- the prism elements 9, 10 each have a plurality of linear prism regions 35 which extend at right angles to the central axis, namely to the optical axis or beam axis 11, which also defines the turning axis.
- this results in a simple sawtooth-shaped contour in the manner of Fresnel plates (see the upper prism element 9 in FIG. 4) or a double sawtooth-shaped contour (see the lower prism element 10 in FIG. 4) ).
- the surfaces 36 which are vertical in FIG. 4 and essentially parallel to the beam axis 11 (but which can also be inclined by a small angle to the beam axis 11) can lead to undesired total internal reflections, as is indicated by way of example in FIG.
- the surfaces 36 can be roughened or matted or blackened, as is indicated schematically in FIG. 4 by thick lines.
- a light beam that would otherwise be totally reflected is then transmitted due to the profiling of the surface 36, as indicated schematically at 38 in FIG. 4.
- blackening the light beam is absorbed and converted into heat. In both cases, the undesired total reflection is avoided or at least largely reduced.
- Fig. 5 is a schematic top view of one of the prism elements, e.g. 9 (or 10), which in turn is circular in plan view, and which is now surrounded by an annular armature 12A instead of a ring gear 12, as shown in FIG. 1, which in the example of FIG. 5 is a toothed soft iron core is formed and forms the rotor of the respective electric motor 18A (or 19A).
- This rotor i.e.
- armatures 12A are assigned two electrical coils 40, 41 which form the stator of the electric motor 18A (or 19A). In this way, a simple direct drive for the respective prism element, e.g.
- a stepping motor can be realized which is controlled by the respective control unit 20, not shown, according to FIG. 1 or 3.
- the corresponding connections are self-evident for the person skilled in the art and are therefore not further illustrated in FIG. 5 (as in the following FIGS. 6 and 7A to 7C).
- armature 12A in the form of a direct drive stepper motor, the armature 12A of which, in turn, the corresponding prism element, e.g. 9, is formed by a permanent magnet ring having ring segments each defining a north pole and a south pole, i.e. are alternately magnetized. At least two coils 40, 41 are also laterally assigned to this armature 12A as the stator of the motor 18A.
- 7A to 7C is an embodiment variant of the direct drive motor 18A (or 19A), shown here for example for the prism element 9, this motor 18A forming a hybrid stepper motor.
- an armature 12A in turn surrounds the corresponding prism element, for example 9, and this armature 12A here consists of an upper toothed iron ring 42 and a lower toothed iron ring 43, a permanent magnet ring 44 being arranged between these two toothed iron rings 42, 43 is.
- the upper toothed iron ring 42 is preferably, as can be seen from FIG. 7A, offset in relation to the lower toothed iron ring 43 in the circumferential direction, in particular by half a tooth spacing.
- the rotor of the motor 18A thus formed is in turn provided with at least two coils 40, 41 laterally as a stator, i.e. radially outside thereof.
- the coils 40, 41 (and possibly further coils) are fixed in the housing 2 (according to FIG. 1 and 28 according to FIG. 3), and the prism elements 9, 10 with the armature 12A are rotatably supported in bearings such as the bearings 33 and 34 indicated in FIG. 4. These bearings 33, 34 are then of course interrupted at the location of the coils 40, 41.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT11792003 | 2003-07-24 | ||
PCT/AT2004/000238 WO2005010433A1 (de) | 2003-07-24 | 2004-07-05 | Raumleuchteneinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1649212A1 true EP1649212A1 (de) | 2006-04-26 |
EP1649212B1 EP1649212B1 (de) | 2007-01-17 |
Family
ID=34085014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04737368A Expired - Lifetime EP1649212B1 (de) | 2003-07-24 | 2004-07-05 | Raumleuchteneinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7217002B2 (de) |
EP (1) | EP1649212B1 (de) |
JP (1) | JP4564492B2 (de) |
AT (1) | ATE352011T1 (de) |
DE (1) | DE502004002696D1 (de) |
WO (1) | WO2005010433A1 (de) |
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EP2112425A1 (de) | 2008-04-24 | 2009-10-28 | COEMAR S.p.A. | Streulichtprojektor |
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DE102007040573A1 (de) * | 2007-08-28 | 2009-03-05 | Christian Bartenbach | Beleuchtungsvorrichtung |
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DK201000114A (en) * | 2009-09-11 | 2011-03-12 | Martin Professional As | Light Effect System with Rotatable Light Forming Means |
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CN102997119A (zh) * | 2011-09-14 | 2013-03-27 | 湖南明和光电设备有限公司 | 双层光楔透镜自转折射式led灯 |
US10551038B2 (en) | 2012-03-18 | 2020-02-04 | Robe Lighting S.R.O. | Modular multisource beam shaping system |
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- 2004-07-05 AT AT04737368T patent/ATE352011T1/de active
- 2004-07-05 JP JP2006520626A patent/JP4564492B2/ja not_active Expired - Fee Related
- 2004-07-05 DE DE502004002696T patent/DE502004002696D1/de not_active Expired - Lifetime
- 2004-07-05 US US10/565,896 patent/US7217002B2/en not_active Expired - Fee Related
- 2004-07-05 EP EP04737368A patent/EP1649212B1/de not_active Expired - Lifetime
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EP2112425A1 (de) | 2008-04-24 | 2009-10-28 | COEMAR S.p.A. | Streulichtprojektor |
US8007134B2 (en) | 2008-04-24 | 2011-08-30 | Coemar S.P.A. | Diffused light projector |
Also Published As
Publication number | Publication date |
---|---|
ATE352011T1 (de) | 2007-02-15 |
DE502004002696D1 (de) | 2007-03-08 |
WO2005010433A1 (de) | 2005-02-03 |
US20060187654A1 (en) | 2006-08-24 |
JP4564492B2 (ja) | 2010-10-20 |
JP2006528820A (ja) | 2006-12-21 |
US7217002B2 (en) | 2007-05-15 |
EP1649212B1 (de) | 2007-01-17 |
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