EP0716262B1 - Leuchte für langgestreckte Leuchtmittel - Google Patents
Leuchte für langgestreckte Leuchtmittel Download PDFInfo
- Publication number
- EP0716262B1 EP0716262B1 EP95116878A EP95116878A EP0716262B1 EP 0716262 B1 EP0716262 B1 EP 0716262B1 EP 95116878 A EP95116878 A EP 95116878A EP 95116878 A EP95116878 A EP 95116878A EP 0716262 B1 EP0716262 B1 EP 0716262B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- housing
- lighting means
- accordance
- grid
- 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.)
- Revoked
Links
Images
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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
-
- 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
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
- F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
-
- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
-
- 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
- F21Y2113/00—Combination of light sources
Definitions
- the invention relates to a lamp for elongated lamps, such as e.g. Fluorescent lamps, with at least one curved reflector, in the strongest area of curvature positions the elongated lamp is, and with a bulb holder and the bulb associated dimming unit, which consists of several grid areas translucent material, which is arranged on both sides of the lamp are.
- elongated lamps such as e.g. Fluorescent lamps
- a bulb holder and the bulb associated dimming unit which consists of several grid areas translucent material, which is arranged on both sides of the lamp are.
- a lamp of this type is known from DE 41 25 545 A1.
- the fluorescent lamp over its length within a a four-sided closed cross-section lamp channel arranged, the top of this lamp channel by a Reflector area and the underside of the lamp channel by an auxiliary reflector are formed, while the side walls of the lamp channel Prismatic plates made of transparent material, which on the one hand in Run longitudinally and secondly in the transverse direction of the lamp channel.
- a comparable luminaire is also known from EP 0 538 727 A1.
- This lamp is a semi-cylindrical as anti-glare unit or anti-glare protection trained perforated plate provided that the outside of Illuminant located in the opening plane of the housing.
- the interior and / or outside of the perforated plate is with a translucent Foil covered, perforated sheet and foil together a replacement for should form opaque or milky half-shells.
- the object of the invention is to provide a lamp of the type specified To be designed so that the use of a flat, i.e. a low-depth housing allows and with switching off annoying glare effects optimal use of light with as much as possible uniform luminance over the entire opening area of the lamp is obtained.
- this object is essentially achieved by that the curved reflector, the bulb holder and the dimming unit are held in a flat trough-shaped housing the reflector over the entire base of the housing and up to two opposite edges in the opening plane of the housing extends that the grid areas of the dimming unit from each other spaced, parallel to each other and parallel to the illuminant Grid areas exist that are at least partially over the Extend opening area of the housing to the outside and through at least a crossbar also made of translucent material are interconnected.
- the grid provided on the grid areas is preferred made by extrusion, being different Cross-sectional structures of the ribs and depressions formed can be realized.
- Screenings made with continuous ribs can be made by a further processing step, in particular by a further pressing step are modified such that individual elements, for example in the form of individual pyramids if such a grid structure is required becomes.
- the grid areas are preferably arranged parallel to one another and with each other through light-conducting crossbars connected so that compact units arise in which the number of parallel grid areas depending of which is chosen, which luminance in adaptation the reflector luminance on the outside grid surfaces is required.
- the grid surfaces are made of plastic or glass on its side facing the illuminant smooth and open their side facing away from the lamp preferably corrugated trained, because of this prismatic very little loss of light while avoiding glare and thus by arranging several such grid areas a very targeted and defined luminance adjustment is made possible.
- the individual reflector surfaces are asymmetrically curved are such that the area is the strongest Curvature is where the lamp is placed is, so that the illuminant in the focal area or immediately adjacent to the respective focus area is located.
- This creates in connection with the respective Dimming units also have the option of using the Reflector to achieve a good yield of indirect light and on the other hand to use a predeterminable proportion of direct light.
- Figure 1 shows a formed in the form of a flat trough Rectangular housing 1 with a housing base 2 and side walls 3, which can be attached to a ceiling, preferably but built into a ceiling, especially grid ceiling or integrated.
- the opening cross section of the housing 1 is with the reference number 4 marked, and in the interior 15 of the housing 1st are both reflectors 5, 6 and illuminant 8 with associated dimming unit 14, where the dimming unit 14 at least partially over the opening area 4 of the housing extends.
- the two reflectors 5, 6 extend over the entire Housing cross section and are arranged symmetrically, so that by the two reflectors 5, 6 a kind of wing structure arises.
- the Reflectors 5, 6 mounted flush and have only one slight curvature. The curvature takes on the center of the case 1 towards, with the reflectors 5, 6 adjacent to the center preferably rest on the housing base 2 and then with more pronounced curvature towards the center where they are meet in a connecting edge 7 that in the upper Half of the interior 15 of the housing 1 is located.
- a dimming unit 14 is arranged adjacent, that of several grid surfaces made of glass or plastic 9 is formed. These grid areas 9 are about Crosspieces 10 held together from the same material and extend perpendicular to the housing base 2 approximately from the Center of the interior 15 of the housing 1 to the outside. The grid areas 9 run parallel to each other and have Formation of a tiered structure of different lengths. In this way, different angles can also be viewed Achieve dimming effects, with regard to to the desired uniform luminance over the whole Cross section 4.
- Luminous 8 grid areas In the free space between the two on the side of the Luminous 8 grid areas is an open Grid 11 attached, so that again with the exclusion of Glare effects in this central area direct radiation is achieved while optimal light irradiation on the reflector side is achieved on the reflectors 5 and 6.
- the open grid 11 can be a square, rectangular or round grid act, preferably from translucent Material, especially plastic material, made is.
- the dimming unit 14 is at the same time a carrier for the open grid 11 used, being between these two Units a sliding guide, snap-snap connections or another clamp connection can be provided.
- FIG. 2 shows a center symmetrical one Luminaire with two separately arranged Illuminants 8 in a common housing 1. It is on it to point out that it is within the scope of the invention another Embodiment corresponds if only in a housing 1 a single such reflector unit is provided because then there is an arrangement in which the median plane of the 2 are replaced by a side wall 3 would.
- the two are again asymmetrically designed reflectors 5, 6 center to pulled to the opening surface 4 of the housing 1 to the front is called the connecting edge 7 is approximately in the region of the opening cross section the lamp.
- the lamps 8 are approximately in the focal areas of the Reflectors located, and the respective dimming unit is designed and positioned so that in turn the desired direct and indirect light radiation results and achieve a balanced luminance distribution becomes.
- the grid surfaces 9 made of glass or plastic run approximately at an angle of 45 ° to the bottom surface 2 of the Housing and extend only slightly over the opening area 4 beyond.
- the parallel grid areas 9 are connected to one another by crosspieces 10, and the shortest grid area 9 located towards the center of the housing is another perpendicular grid area molded on, which is close to the respective reflector 5, 6 extends, but with respect to the respective reflector leaves a gap. Through this dimming unit direct visual contact with the respective lamp 8 is excluded and ensured that over the entire luminaire area a very uniform luminance is achieved.
- Figure 3 shows the light distribution curve in a schematic manner a lamp arrangement according to Figure 2.
- the on this Realized light distribution is particularly suitable for those cases where the middle of each room should preferably be illuminated and little in the wall area Light is desired, such as in rooms with Glass facades is the case.
- Figure 4 shows a light distribution curve with the base unit the double arrangement shown in Figure 2 achievable is.
- Figure 5 shows a light distribution curve of an inventive Double lamp that is suitable for a larger one Area to cover a higher light requirement.
- two such lights with a mutual distance It is arranged in mirror symmetry to the center of the room possible the relative area of the ceiling of the room relative leave dark and calm while in the middle of the room a required higher light requirement can be met, while at the same time the room walls due to the existing Radiation characteristics can remain relatively dark.
- FIG. 6 shows the interaction two lights with the light distribution curve shown in Figure 4. In this case it is possible to remove the walls to illuminate the room brightly, such as for Representative rooms is desired.
- Figure 6 shown interaction of the lights of the invention but above all it is possible to have a practically reflection-free Center in the room to create what the placement of screens facilitated and good working conditions under lighting technology Creates aspects.
- Luminaires and especially by combining similar ones or even different embodiments that are in practice existing lighting tasks can be optimally solved, because depending on the existing requirement, both uniform Room lighting as well as differentiated room lighting can be realized and always the respective Light requirements can be taken into account.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
- Figur 1
- eine schematische Querschnittsdarstellung einer ersten Ausführungsform einer Leuchte nach der Erfindung,
- Figur 2
- eine schematische Darstellung einer zweiten Ausführungsvariante, und
- die Figuren 3 bis 6
- Beispiele von mit erfindungsgemäßen Leuchten realisierbaren Lichtverteilungskurven bzw. Raumbeleuchtungssituationen.
- 1
- Gehäuse
- 2
- Gehäuseboden
- 3
- Seitenwand
- 4
- Öffnungsquerschnittsfläche
- 5
- Reflektor
- 6
- Reflektor
- 7
- Verbindungskante
- 8
- Leuchtmittel bzw. Lampe
- 9
- Rasterfläche
- 10
- Quersteg
- 11
- Offenes Rechteckraster
- 12
- Rasterfläche
- 13
- Leuchtmittelfassung
- 14
- Abblendeinheit
- 15
- Innenraum
Claims (12)
- Leuchte für langgestreckte Leuchtmittel, wie z.B. Leuchtstofflampen, mit zumindest einem gekrümmten Reflektor (5, 6), in dessen stärkstem Krümmungsbereich das langgestreckte Leuchtmittel (8) positioniert ist, und mit einer Leuchtmittelfassung (13) und einer dem Leuchtmittel (8) zugeordneten Abblendeinheit (14), die aus mehreren Rasterflächen (9) aus lichtdurchlässigem Material besteht, die beidseits des Leuchtmittels (8) angeordnet sind,
dadurch gekennzeichnet,daß der gekrümmte Reflektor (5, 6), die Leuchtmittelfassung (13) und die Abblendeinheit (14) in einem flachwannenförmigen Gehäuse (1) gehaltert sind und sich der Reflektor (5, 6) über die gesamte Grundfläche (2) des Gehäuses (1) und bis zu zwei einander gegenüberliegenden Rändern in der Öffnungsebene (4) des Gehäuses erstreckt,daß die Rasterflächen (9) der Abblendeinheit (14) aus gegenseitig beabstandetem, zueinander parallelen und parallel zum Leuchtmittel (8) verlaufenden Rasterflächen (9) besteht, die sich zumindest zum Teil über die Öffnungsfläche (4) des Gehäuses (1) nach außen erstrecken und durch zumindest einen ebenfalls aus lichtdurchlässigem Material bestehenden Quersteg (10) miteinander verbunden sind. - Leuchte nach Anspruch 1,
dadurch gekennzeichnet,
daß die parallel zueinander angeordneten Rasterflächen (9) eine gestufte Struktur bilden. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Rasterflächen (9) auf ihrer dem Leuchtmittel (8) zugewandten Seite glatt und auf der vom Leuchtmittel (8) abgewandten Seite mit einer Prismatikstruktur versehen sind. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die die Rasterflächen (9) verbindenden Querstege (10) im Bereich der reflektorseitigen Enden der Rasterflächen (9) vorgesehen sind. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Anzahl der Rasterflächen (9) und ihre Relativanordnung so gewählt sind, daß über die Öffnungsfläche (4) betrachtet zumindest im wesentlichen die gleiche Leuchtdichte vorliegt. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß im Gehäuse (1) zwei mittensymmetrisch angeordnete, von den einander gegenüberliegenden Randbereichen des Gehäuses (1) zur Mitte hin zunehmend gekrümmt ausgebildete Reflektoren (5, 6) vorgesehen sind, daß das langgestreckte Leuchtmittel (8) mittig und unmittelbar unterhalb der Verbindungskante (7) der beiden Reflektoren (5, 6) angeordnet ist, und daß die beiden Rasterflächen (9) der Abblendeinheit (14) ebenfalls mittensymmetrisch und beiderseits des Leuchtmittels (8) angeordnet sind, wobei der offene Mittelbereich der Abblendeinheit (14) einen Direktlichtaustritt bildet. - Leuchte nach Anspruch 6,
dadurch gekennzeichnet,
daß im Direktlichtaustritt ein offenes Rechteck-, Quadrat- oder Rundraster (11) angeordnet ist, das aus einem lichtdurchlässigen Material bestehen kann und an den innenliegenden Rasterflächen (9) gehaltert ist. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß im Gehäuse (1) ein asymmetrischer, sich zwischen zwei einander gegenüberliegenden Gehäuserändern erstreckender Reflektor angeordnet ist, in dessen Brennpunktbereich die langgestreckte Leuchte (8) angeordnet ist, welche durch eine Rasterflächenanordnung (14) gegen direkten Sichtkontakt abgeschirmt ist. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß im Gehäuse (1) zwei mittensymmetrisch angeordnete, von den einander gegenüberliegenden Randbereichen des Gehäuses (1) zur Mitte hin zunehmend gekrümmt ausgebildete Reflektoren (5, 6) vorgesehen sind, die im Mittelbereich des Gehäuses (1) unter Ausbildung einer Verbindungskante (7) bis zur Öffnungsebene (4) vorgezogen sind, daß jeweils ein langgestrecktes Leuchtmittel (8) im Brennpunktbereich jedes Reflektors (5, 6) angeordnet ist, daß jedem Reflektor (5, 6) eine Abblendeinheit (14) zugeordnet ist, welche aus rechtwinklig zueinander verlaufenden Rasterflächen (9, 10, 12) besteht, die eine Direktsicht auf das Leuchtmittel (8) zumindest im wesentlichen verhindern. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Abblendeinheiten (14) stirnseitig an den Seitenwänden (2) des Gehäuses (1) gehaltert sind. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Prismatikstrukturen durch Strangpressen gebildet sind und aus durchgehenden Rippen oder durch einen zusätzlichen Preßschritt gebildete Einzelelemente, insbesondere Einzelpyramiden bestehen. - Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß anstelle oder in Verbindung mit der Prismatikstruktur insbesondere leicht eingefärbte, opake Kunststoffe für die Rasterflächen (9) verwendet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4443741A DE4443741A1 (de) | 1994-12-08 | 1994-12-08 | Leuchte |
DE4443741 | 1994-12-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0716262A1 EP0716262A1 (de) | 1996-06-12 |
EP0716262B1 true EP0716262B1 (de) | 2001-01-17 |
Family
ID=6535295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95116878A Revoked EP0716262B1 (de) | 1994-12-08 | 1995-10-26 | Leuchte für langgestreckte Leuchtmittel |
Country Status (7)
Country | Link |
---|---|
US (1) | US5685633A (de) |
EP (1) | EP0716262B1 (de) |
AT (1) | ATE198786T1 (de) |
CA (1) | CA2150447A1 (de) |
DE (2) | DE4443741A1 (de) |
DK (1) | DK0716262T3 (de) |
ES (1) | ES2153451T3 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10006410A1 (de) * | 2000-02-14 | 2001-08-16 | Zumtobel Staff Gmbh | Leuchte |
DE19615170A1 (de) * | 1996-04-17 | 1997-10-23 | Hartmut S Engel | Reflektorleuchte |
DE29613948U1 (de) * | 1996-08-12 | 1997-12-11 | Zumtobel Licht Gmbh, Dornbirn | Leuchte mit mindestens einer Lampe, einem Reflektor und einem Rasterreflektor |
US6582103B1 (en) | 1996-12-12 | 2003-06-24 | Teledyne Lighting And Display Products, Inc. | Lighting apparatus |
ES2156537B1 (es) * | 1999-02-10 | 2002-03-16 | Berlanga Eulalia Roca | Luminaria perfeccionada. |
US6402345B1 (en) | 2001-07-17 | 2002-06-11 | Genlyte Thomas Group Llc | Louver assembly with translucent louver baffles |
KR20030017090A (ko) * | 2001-08-23 | 2003-03-03 | 강성지 | 가로등 |
US6789914B1 (en) | 2003-05-29 | 2004-09-14 | Hubbell Incorporated | Luminaire providing direct and indirect lighting |
DE10353644A1 (de) * | 2003-07-10 | 2005-02-17 | Siteco Beleuchtungstechnik Gmbh | Leuchte mit einem Entblendungskörper |
ES2237349B1 (es) * | 2005-04-08 | 2006-11-01 | Vanlux, S.A. | Luminaria de pared. |
US8002446B1 (en) | 2008-06-09 | 2011-08-23 | Koninklijke Philips Electronics N.V. | Virtual direct and indirect suspended lighting fixture |
WO2009152206A1 (en) * | 2008-06-12 | 2009-12-17 | Bechtold Fleming Designs, Llc | Patio heater side heat director |
US9512977B2 (en) * | 2012-01-26 | 2016-12-06 | Cree, Inc. | Reduced contrast LED lighting system |
DE202014100846U1 (de) | 2014-02-25 | 2014-03-27 | LDV Laser- und Lichtsysteme GmbH | Leuchteinrichtung für die großflächige Oberflächeninspektion von Bauteilen |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1953004A (en) * | 1932-01-28 | 1934-03-27 | Muller Carl Ferdinand Otto | Antidazzle lamp |
GB477560A (en) * | 1936-07-17 | 1938-01-03 | Revo Electric Co Ltd | Improvements in or relating to electric lighting units |
US2143148A (en) * | 1937-01-26 | 1939-01-10 | Edwin F Guth | Light shield |
GB531868A (en) * | 1939-08-04 | 1941-01-13 | Thomas Willett Rolph | Improvements in and relating to luminairs |
DE1675853U (de) * | 1951-04-23 | 1954-05-06 | Wilhelm Lenze K G | Wabengitterartiges lichtraster und traeger hierfuer. |
FR1060308A (fr) * | 1952-07-16 | 1954-04-01 | Perfectionnements apportés aux réflecteurs proprement dits, particulièrement pour lampes tubulaires à fluorescence ou à arcs analogues | |
US3152277A (en) * | 1961-07-28 | 1964-10-06 | Gen Electric | Fluorescent panel lamp louver |
US3179797A (en) * | 1962-01-02 | 1965-04-20 | Holophane Co Inc | Device for controlling glare in luminaire |
NL158911B (nl) * | 1970-12-17 | 1978-12-15 | Philips Nv | Wegverlichtingsarmatuur voor een u-vormige gasontladingslamp. |
US4006355A (en) * | 1974-11-26 | 1977-02-01 | Sylvan R. Shemitz And Associates, Inc. | Luminaire |
DE7808786U1 (de) * | 1977-03-29 | 1978-07-13 | Zumtobel Ag, Dornbirn (Oesterreich) | Abdeckung aus lichtdurchlaessigem material fuer leuchtstofflampen |
DE8513863U1 (de) * | 1985-05-10 | 1990-11-08 | Dr.-Ing. Willing GmbH, 8604 Scheßlitz | Einzelarbeitsplatzleuchte |
DE8519706U1 (de) * | 1985-07-08 | 1985-10-17 | Hartmann & Unger GmbH, 4619 Bergkamen | Gegenstrahlerleuchte mit Leuchtstofflampe |
DE8535692U1 (de) * | 1985-12-19 | 1986-03-13 | Fa. Ing. Friedhelm Hirt, 5880 Lüdenscheid | Breitstrahlleuchte |
DE3600915A1 (de) * | 1986-01-15 | 1987-07-16 | Metro Sb Handels Ag Baar | Lichtkanaldecke |
DE8603794U1 (de) * | 1986-02-13 | 1986-03-27 | Korsch, Alfred, 47918 Tönisvorst | Leuchtvorrichtung |
DE3711366A1 (de) * | 1987-04-04 | 1988-10-27 | Pohlschroeder & Co Kg | Rasterleuchte fuer arbeitsplaetze |
DE3838769A1 (de) * | 1988-11-16 | 1990-05-17 | Trilux Lenze Gmbh & Co Kg | Indirekt abstrahlende leuchte |
DE4125545A1 (de) * | 1990-08-16 | 1992-02-20 | Siemens Ag | Indirekte spiegelleuchte |
JPH04242002A (ja) * | 1991-01-17 | 1992-08-28 | Jiro Sugimoto | 照明器付属装置および照明装置 |
DE9109267U1 (de) * | 1991-07-26 | 1991-10-31 | Siemens AG, 8000 München | Indirekte Spiegelleuchte |
DE59202396D1 (de) * | 1991-10-24 | 1995-07-06 | Zumtobel Licht | Reflektor für eine Leuchte. |
DE4219742A1 (de) * | 1992-06-17 | 1993-12-23 | Zumtobel Licht | Wannenleuchte mit Reflektorkorb |
DE9214199U1 (de) * | 1992-10-21 | 1993-11-25 | Zumtobel Licht Ges.M.B.H., Dornbirn | Leuchte mit langgestrecktem Leuchtmittel und Reflektoren |
-
1994
- 1994-12-08 DE DE4443741A patent/DE4443741A1/de not_active Withdrawn
-
1995
- 1995-05-26 US US08/452,918 patent/US5685633A/en not_active Expired - Fee Related
- 1995-05-29 CA CA002150447A patent/CA2150447A1/en not_active Abandoned
- 1995-10-26 DK DK95116878T patent/DK0716262T3/da active
- 1995-10-26 EP EP95116878A patent/EP0716262B1/de not_active Revoked
- 1995-10-26 DE DE59508976T patent/DE59508976D1/de not_active Expired - Fee Related
- 1995-10-26 ES ES95116878T patent/ES2153451T3/es not_active Expired - Lifetime
- 1995-10-26 AT AT95116878T patent/ATE198786T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE198786T1 (de) | 2001-02-15 |
DE4443741A1 (de) | 1996-06-13 |
EP0716262A1 (de) | 1996-06-12 |
US5685633A (en) | 1997-11-11 |
ES2153451T3 (es) | 2001-03-01 |
DK0716262T3 (da) | 2001-02-05 |
CA2150447A1 (en) | 1996-06-09 |
DE59508976D1 (de) | 2001-02-22 |
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