EP1021677B1 - Strahler mit langgestrecktem reflektor - Google Patents

Strahler mit langgestrecktem reflektor Download PDF

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Publication number
EP1021677B1
EP1021677B1 EP98964436A EP98964436A EP1021677B1 EP 1021677 B1 EP1021677 B1 EP 1021677B1 EP 98964436 A EP98964436 A EP 98964436A EP 98964436 A EP98964436 A EP 98964436A EP 1021677 B1 EP1021677 B1 EP 1021677B1
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EP
European Patent Office
Prior art keywords
projector
reflector
projector device
colour
ellipse
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.)
Expired - Lifetime
Application number
EP98964436A
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English (en)
French (fr)
Other versions
EP1021677A1 (de
Inventor
Franco Bertini
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.)
STUDIO DUE LIGHT DIVISION S.R.L.
Original Assignee
Studio Due Light Division Srl
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26332659&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1021677(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from IT98VT000001 external-priority patent/IT246384Y1/it
Priority claimed from IT1998VT000003 external-priority patent/IT246386Y1/it
Application filed by Studio Due Light Division Srl filed Critical Studio Due Light Division Srl
Publication of EP1021677A1 publication Critical patent/EP1021677A1/de
Application granted granted Critical
Publication of EP1021677B1 publication Critical patent/EP1021677B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • 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
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
    • 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
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • 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
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Definitions

  • This invention relates to projectors of the type used to illuminate large buildings, monuments or open-air areas, and in particular to so-called colour changer projectors.
  • Projectors of this type are already known. They comprise a reflector consisting of part of the surface of a solid of revolution obtained by rotating a suitable plane line having a focus.
  • the solids of revolution used are normally ellipsoids or paraboloids.
  • the ellipsoid obtained by rotating an ellipse about its major axis, is cut with a plane perpendicular to its major axis and is positioned such that the lamp lies at the focus.
  • the luminous flux is concentrated at a point (in reality a small circular area) at the second focus of the ellipsoid, in the vicinity of which small-dimension coloration or dimming systems can be inserted.
  • the solid of revolution used can also be a spherical mirror (a spherical cap) utilized in an elliptical configuration (ie the lamp is not positioned at the centre of the sphere but at a point coinciding with the ellipsoid to which the spherical cap approximates.
  • a spherical mirror a spherical cap
  • the lamp With the parabolic configuration the lamp is positioned at the focus of the paraboloid and hence the light rays emerge virtually parallel to its axis. Very often (again as a first approximation) a spherical mirror is used but in a parabolic configuration, ie the lamp being positioned at half the radius, so that the behaviour of the spherical cap is equivalent substantially to that of the paraboloid to which it approximates.
  • the light sources usable in this type of projector have usually to be of small dimensions, they necessary have a relatively low power.
  • the object of this invention is to obviate the aforesaid drawbacks of known colour changer projectors.
  • the projector device of the invention characterised in that the reflector has a surface obtained by causing a suitable plane line to translate such that the surface thus obtained is able to generate a light beam having a substantially rectangular cross-section, a dimension of this cross-section decreasing in receding from the reflector until it becomes reduced to a strip having a width considerably less than the relative length, this dimension then increasing on continuing to recede from the reflector.
  • linear reflector and the relative light source by "linear” source (which can consist of a discharge halogen, linear halogen or stroboscopic lamp).
  • linear light source also means a light source formed from a series of aligned, (theoretically) point-shaped light sources (consisting for example of a series of lamp bulbs arranged as close as possible to each other along a rectilinear path).
  • the plane line which on translation generates the aforedefined linear reflector surface is a portion of an ellipse or an arc of a circle approximating to an ellipse, although other lines which deviate slightly from the aforesaid lines enable the luminous flux to be concentrated into a strip of sufficiently small width for the aforesaid objects.
  • a broken line consisting for example of rectilinear portions and/or circumferential arcs approximating to the pattern of said ellipse can enable an acceptable result to be obtained (ie of concentrating the luminous flux into a strip of sufficiently small width).
  • the projector of the invention can be completed by a flat or internally concave reflector which closes each of the two ends of the linear reflector, this enabling the end luminous flux (ie that luminous flux which would emerge through the two ends of the linear reflector if it were open) to be recovered.
  • the linear projector can be provided with an additional linear reflector of circular section positioned on each of the two sides of the main linear reflector, these additional reflectors enabling part of the luminous flux not intercepted by the main linear reflector to be recovered, in particular that part of the luminous flux which is not intercepted by the main linear reflector and which passes close but external to the sides of this latter.
  • the projector of this invention can be of monochromatic type or of the so-called colour changer type, ie provided with a device of known type which can be of greater or lesser complexity and comprise colour filters, but with the significant advantage that the dimensions of the relative filters are extremely small compared with those of the filters of known colour changer projectors, to the extent of being able to be reduced in the limit to the dimensions of said strip into which the light beam can be concentrated.
  • the projector can also be provided with a known colour-subtractive synthesis device, a known filter for converting the colour temperature of the luminous flux, a conventional mechanical dimmer, ie a device consisting of pairs of panels which can be moved towards each other to reduce the luminous flux emerging from the projector, or a conventional optical device comprising filters, diffusers and/or lenses and/or optical prisms.
  • the projector device of the invention can comprise a control unit for the projector operation.
  • the control unit can also be of the type which enables the projector operation to be programmed and can also comprise electronic dimmers, actuator means for executing the various functions and, if the projector is of the moving head type, for driving this latter, and auxiliary remote controls.
  • the projector device of the invention can either consist of the projector 10 alone if of the colour changer type, or otherwise comprise this projector.
  • the projector 10 comprises a linear reflector indicated by 12.
  • the plane line used to generate the reflector 12 by translation consists of a part of an ellipse which is symmetrical about the major axis of the ellipse.
  • a lamp 14 providing a light source of suitable length, is positioned at that of the two foci of the infinite ellipses forming the linear reflector 12 which is closer to this latter.
  • a circular arc can be used as a first approximation as the plane line for generating the linear reflector, with the linear light source positioned at a suitable point along the axis of symmetry of the circular arc, intermediate between the centre of the circle and a point distant from the centre of the circle by one half the circle radius, ie coinciding with the focus of the ellipse which is to be approximated.
  • the projector reflector can have a cross-section formed from portions of different ellipses all however having the same two foci.
  • the reflector profile 12D continues along ever more internal ellipse portions 12D.2,.12D.3, ...12D.6 having the same foci L and F in common. This enables a reflector (and hence a projector) to be obtained which is of smaller width than the aforedescribed.
  • the projector 10 is provided with a conventional mechanical dimmer, substantially consisting of two non-transparent panels 18A and 18B which can be moved towards each other to intercept the luminous flux emerging from the reflector 12, to hence reduce the luminous flux until it has been completely obscured.
  • a conventional mechanical dimmer substantially consisting of two non-transparent panels 18A and 18B which can be moved towards each other to intercept the luminous flux emerging from the reflector 12, to hence reduce the luminous flux until it has been completely obscured.
  • the projector 10 is also provided with a colour changer device comprising three conventional colour filters each consisting essentially of a pair of flat elements, respectively 20A and 20B of cyan colour (C), 22A and 22B of magenta colour (M), and 24A and 24B of yellow colour (Y), the flat elements of each pair being movable towards each other to increase colour saturation.
  • These three filters enable so-called subtractive synthesis, well known to the expert of the art, to be achieved. It should however be noted that some or all the aforesaid filters can be dispensed with, this depending on the specific requirements and the results to be achieved.
  • the projector can also be provided with a conventional filter for converting the colour temperature of the luminous flux.
  • the projector 10 also comprises a conventional optical device (indicated schematically in the figures by a rectangle 26) which can comprise diffusers and/or lenses and/or optical prisms, these elements not being shown as they are well known to the expert of the art.
  • a conventional optical device indicated schematically in the figures by a rectangle 26
  • diffusers and/or lenses and/or optical prisms these elements not being shown as they are well known to the expert of the art.
  • the dimmer 18A, 18B, and the filters 20A and 20B, 22A and 22B, 24A and 24B, including the colour temperature conversion filter (not shown in the figures), are positioned as close as possible to the strip 16 into which the luminous flux is concentrated, this enabling the dimensions of the aforelisted devices to be reduced to a minimum.
  • the projector 10 is also provided, along each of the two sides of the reflector 12, with a respective linear reflector 32, 34 of circular cross-section (which could however also be formed from several flat or curved surfaces).
  • the two additional reflectors 32 and 34 enable the luminous flux relative to the angles a1 and a2 to be recovered ( Figure 2), and which would otherwise be lost.
  • This invention makes it possible to obtain a high-power projector by virtue of usually using linear light sources (long arc discharge lamps, linear halogen lamps and stroboscopic lamps), which can have very high power, generally greater than point-shaped light sources.
  • linear light sources long arc discharge lamps, linear halogen lamps and stroboscopic lamps
  • long arc discharge lamps are of relatively low cost and have a very long average life, considerably greater than that of short arc discharge lamps.
  • the emerging light beam is rectangular, a shape which is normally more suitable for the external illumination of monuments, buildings and the like.
  • the projector of the invention is provided with very efficient coloration and colour changer devices, mechanical dimmers and obscurers of truly small dimensions.
  • the projector device 50 can comprise not only the projector 10 but also a control unit 52 for the projector operation.
  • the unit 52 comprises a control interface 54 connected to a microprocessor 56 for controlling the control members, indicated overall by 58, for operating the stepping motors 60 for executing the various functions and for any required horizontal and/or vertical movement.
  • the unit 52 also comprises a power unit 62 connected (as indicated by the arrow 64) to a source of electricity (such as the electric mains).
  • the unit 52 also comprises a remote control means 66 connected via cables, infrared rays or radio to a reception interface 68 for the signals emitted by the remote control means 66.
  • control unit 52 can be remotely operated to program and/or control the switching on and/or off of the projector, its dimming, its colour changes, the changing of the light beam dimensions and its horizontal and/or vertical movement.

Claims (18)

  1. Projektor-Vorrichtung (50), bei der der Projektor (10) eine Lichtquelle (14) und einen Reflektor (12) aufweist, der eine Oberfläche hat, die erhalten wird, indem bewirkt wird, daß eine geeignete Flächenlinie versetzt ist, um einen Lichtstrahl zu erzeugen, der einen im wesentlichen rechteckigen Querschnitt hat, wobei eine Abmessung von diesem Querschnitt mit zunehmender Entfernung von dem Reflektor (10) abnimmt, bis er zu einem Streifen (16) reduziert ist, der eine Breite hat, die wesentlich geringer als die relative Länge ist, wobei diese Abmessung dann bei weiter zunehmender Entfernung von dem Reflektor (12) zunimmt, und wobei der Reflektor (10) Farbfilter (20, 22, 24) aufweist, die an oder in der Nähe der Position (16) angeordnet sind, in der der Querschnitt des Lichtstrahls eine minimale Breite hat.
  2. Projektor-Vorrichtung (50) nach Anspruch 1, bei der die Flächenlinie, die, wenn sie versetzt ist, die Fläche des Reflektors (12) bildet, ein Abschnitt von einer Ellipse (12) oder von einer Linie (12A, 12B, 12C) ist, die sich einer Ellipse annähert, wobei der Abschnitt symmetrisch um die Ellipsen-Achse verläuft, wobei die lineare Lichtquelle (14) an dem Ellipsen-Brennpunkt angeordnet ist, der näher zu dem Reflektor (12) positioniert ist.
  3. Projektor-Vorrichtung nach Anspruch 2, bei der die Linie, die sich einer Ellipse annähert, eine unterbrochene Linie (12B, 12C) ist.
  4. Projektor-Vorrichtung nach Anspruch 3, bei Gier die unterbrochene Linie (12B) aus geradlinigen Abschnitten (12B.2, 12B.3) und/oder aus krummlinigen Abschnitten (12A; 12B.1) gebildet ist.
  5. Projektor-Vorrichtung nach Anspruch 4, bei der die unterbrochenen Linien-Abschnitte (12C) geradlinig sind und eine größere Länge in solchen Bereichen haben, in denen der Ellipsen-Abschnitt, der angenähert ist, eine geringere Krümmung hat, und umgekehrt.
  6. Projektor-Vorrichtung nach Anspruch 1, bei der die Flächenlinie (12D), die, wenn sie versetzt ist, die Fläche des Reflektors (12) bildet, Abschnitte von verschiedenen Ellipsen beinhaltet, die aber alle die gleichen zwei Brennpunkte (L und F) haben, wobei die Abschnitte der Flächenlinie (12D) bei schrittweise zunehmender Entfernung von der Achse, die die gemeinsamen Brennpunkte L und F verbindet, zu schrittweise mehr inneren oder mehr äußeren Ellipsen gehören.
  7. Projektor-Vorrichtung (50) nach Anspruch 1, bei der der Projektor (10) außerdem einen flachen oder innen konkaven Reflektor (28, 30) aufweist, durch den jedes der beiden Enden des linearen Reflektors (12) geschlossen ist.
  8. Projektor-Vorrichtung (50) nach Anspruch 1, bei der der Projektor (10) außerdem einen zusätzlichen linearen Reflektor (32, 34) mit kreisförmigem Querschnitt aufweist, der aus mehreren flachen oder gekrümmten Oberflächen gebildet ist und an jeder der beiden Seiten des linearen Hauptreflektors (12) angeordnet ist, um einen Teil des Lichtstroms abzudecken, der nicht von dem linearen Hauptreflektor (12) aufgefangen wird.
  9. Projektor-Vorrichtung (50) nach Anspruch 1, bei der der Projektor (10) eine Farbveränderungseinrichtung (20A, 20B, 22A, 22B, 24A, 24B) vom Farbsubtraktionssynthesetyp enthält, die an oder in der Nähe der Querschnittsposition (16) angeordnet ist, in der der Lichtstrahl eine minimale Breite hat.
  10. Projektor-Vorrichtung (50) nach Anspruch 9, bei der die Farbveränderungseinrichtung des Projektors (10) drei Farbfilter (20A, 20B, 22A, 22B, 24A, 24B) aufweist, die jeweils ein Paar flache Elemente mit den Farben Cyan, Magenta bzw. Gelb beinhalten, die in Richtung aufeinander bewegt werden können, um die Farbsättigung zu erhöhen.
  11. Projektor-Vorrichtung (50) nach Anspruch 1, mit einem Filter zum Konvertieren der Farbtemperatur des Lichtstroms, der an oder in der Nähe der Querschnittsposition angeordnet ist, in der der Lichtstrahl eine minimale Breite hat.
  12. Projektor-Vorrichtung (50) nach Anspruch 1, bei der der Projektor (10) einen mechanischen Lichtregler (18) aufweist, um den Lichtstrom zu variieren, der von dem Projektor (10) ausgeht, wobei der Lichtregler an oder in der Nähe der Position (16) angeordnet ist, in der der Querschnitt des Lichtstrahls eine minimale Breite hat.
  13. Projektor-Vorrichtung (50) nach Anspruch 12, bei der der mechanische Lichtregler des Projektors (10) zwei nicht-transparente Platten (18A, 18B) aufweist, die in Richtung aufeinander bewegt werden können, um den Lichtstrom aufzufangen, der von dem Reflektor (12) ausgeht, um den Lichtstrom zu reduzieren, bis er vollständig verdunkelt ist.
  14. Projektor-Vorrichtung (50) nach Anspruch 1, bei der zusätzliche Filter, Diffusoren und/oder optische Elemente und/oder Prismen in dem Projektor (10) vorgesehen sind.
  15. Projektor-Vorrichtung (50) nach Anspruch 1, mit einer möglicherweise programmierbaren Steuereinheit (52) zum Betreiben des Projektors (10).
  16. Projektor-Vorrichtung (50) nach Anspruch 15, bei der die Steuereinheit (52) eine Steuerschnittstelle (54) aufweist, die mit einem Mikroprozessor (56) verbunden ist, um die Treiber-Schaltungen (58) von den Schrittmotoren (60) zu steuern, um die Funktionen und die Bewegung des Projektors (10) auszuführen.
  17. Projektor-Vorrichtung nach Anspruch 15, bei der die Steuereinheit (52) elektronische Schaltungen enthält, um die elektrische Leistung zu der Lampe (14) zu steuern.
  18. Projektor-Vorrichtung (50) nach Anspruch 15, bei der die Steuereinheit (52) eine entfernte Steuereinrichtung (66) aufweist, die mit einer Empfangsschnittstelle (68) für die Signale gekoppelt ist, die von der entfernten Steuereinrichtung (66) ausgegeben werden.
EP98964436A 1998-02-05 1998-11-24 Strahler mit langgestrecktem reflektor Expired - Lifetime EP1021677B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
ITVT980001U 1998-02-05
IT98VT000001 IT246384Y1 (it) 1998-02-05 1998-02-05 Proiettore cambiacolori caratterizzato da riflettore lineare asezione ellittica con sistema di colorazione semplice o combinata
ITVT980003U 1998-10-28
IT1998VT000003 IT246386Y1 (it) 1998-10-28 1998-10-28 Dispositivo proiettore con riflettore lineare.
PCT/EP1998/007573 WO1999040361A1 (en) 1998-02-05 1998-11-24 Projector device with linear reflector

Publications (2)

Publication Number Publication Date
EP1021677A1 EP1021677A1 (de) 2000-07-26
EP1021677B1 true EP1021677B1 (de) 2001-03-28

Family

ID=26332659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98964436A Expired - Lifetime EP1021677B1 (de) 1998-02-05 1998-11-24 Strahler mit langgestrecktem reflektor

Country Status (8)

Country Link
EP (1) EP1021677B1 (de)
CN (1) CN1099541C (de)
AT (1) ATE200146T1 (de)
AU (1) AU1963799A (de)
CA (1) CA2320478A1 (de)
DE (1) DE69800646T2 (de)
DK (1) DK1021677T3 (de)
WO (1) WO1999040361A1 (de)

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IT1317660B1 (it) 2000-05-22 2003-07-15 Coemar Spa Proiettore luminoso particolarmente per la proiezione di luce adinfiniti colori, con potenza del fascio elevata.
JP4360945B2 (ja) * 2004-03-10 2009-11-11 シチズン電子株式会社 照明装置
CN100412646C (zh) * 2004-05-08 2008-08-20 凛宜股份有限公司 光源装置
US8032017B2 (en) 2006-09-29 2011-10-04 Microscan Systems, Inc. Methods for providing diffuse light
US8374498B2 (en) 2006-09-29 2013-02-12 Microscan Systems, Inc. Systems and/or devices for camera-based inspections
US7978970B2 (en) 2006-09-29 2011-07-12 Microscan Systems, Inc. Systems and/or devices for providing diffuse light
FR2918736B1 (fr) * 2007-07-11 2013-04-05 Rve Technologie Projecteur d'eclairage scenique.
CN101749638B (zh) * 2008-11-28 2012-06-13 富士迈半导体精密工业（上海）有限公司 室内灯具
US8000594B2 (en) 2009-07-02 2011-08-16 Microscan Systems, Inc. Diffuse reflective illuminator
US8768159B2 (en) 2009-07-10 2014-07-01 Microscan Systems, Inc. Combination dark field and bright field illuminator
US8107808B2 (en) * 2009-07-10 2012-01-31 Microscan Systems, Inc. Combination dark field and bright field illuminator
US10197244B2 (en) * 2014-03-12 2019-02-05 Clay Paky S.P.A. Stage light fixture
CN108613108A (zh) * 2017-01-06 2018-10-02 上海开腾信号设备有限公司 远近光一体化照明系统及近光前照灯、远光前照灯
EP3567308A4 (de) * 2017-01-06 2021-03-24 Shanghai Cata Signal Co., Ltd. Beleuchtungssystem mit integriertem fernlicht- und abblendlichtstrahl, abblendlichtscheinwerfer und fernlichtscheinwerfer

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FR2582780B1 (fr) * 1985-05-31 1988-09-09 Cameleon Dispositif d'eclairage, notamment projecteur scenique simultanement reglable selon tous ses parametres
DE8715104U1 (de) * 1987-11-13 1988-04-14 S.L.E. Gmbh, 7850 Loerrach, De
FR2631684B1 (fr) * 1988-05-20 1993-02-19 Leclercq Didier Dispositif de coloration de faisceau lumineux
US4939629A (en) * 1989-06-05 1990-07-03 General Electric Company Compact luminaire including a double-ended lamp
DE9310640U1 (de) * 1993-07-16 1993-10-14 Wiska Hoppmann & Mulsow Gmbh Lashgangstrahler
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IT1282621B1 (it) * 1996-02-14 1998-03-31 Artemide Spa Dispositivo di illuminazione policromatica,particolarmente per illuminazione decorativa di stanze e simili

Also Published As

Publication number Publication date
WO1999040361A1 (en) 1999-08-12
DE69800646D1 (de) 2001-05-03
DE69800646T2 (de) 2001-09-20
CA2320478A1 (en) 1999-08-12
DK1021677T3 (da) 2001-04-30
ATE200146T1 (de) 2001-04-15
EP1021677A1 (de) 2000-07-26
CN1263589A (zh) 2000-08-16
AU1963799A (en) 1999-08-23
CN1099541C (zh) 2003-01-22

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