EP0389912B1 - Projector - Google Patents

Projector Download PDF

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Publication number
EP0389912B1
EP0389912B1 EP90105149A EP90105149A EP0389912B1 EP 0389912 B1 EP0389912 B1 EP 0389912B1 EP 90105149 A EP90105149 A EP 90105149A EP 90105149 A EP90105149 A EP 90105149A EP 0389912 B1 EP0389912 B1 EP 0389912B1
Authority
EP
European Patent Office
Prior art keywords
reflector housing
guide
adjusting ring
lamp socket
legs
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
EP90105149A
Other languages
German (de)
French (fr)
Other versions
EP0389912A1 (en
Inventor
Gottfried Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT90105149T priority Critical patent/ATE99399T1/en
Publication of EP0389912A1 publication Critical patent/EP0389912A1/en
Application granted granted Critical
Publication of EP0389912B1 publication Critical patent/EP0389912B1/en
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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames

Definitions

  • the innovation relates to a spotlight with a point light source, for example an HQI lamp, consisting of a reflector housing which accommodates the reflector, including the lamp holder with the lamp, in which the reflector housing at its rear end merges into a tubular extension with a fastening element and in which in the tubular extension of the reflector housing the adjustable in the tube axis bracket for the lamp holder is arranged.
  • a point light source for example an HQI lamp
  • parabolic reflectors are generally used, in the focal point of which the point light source is then arranged.
  • this can basically be brought about by moving the point light source in the main direction of the spotlight characteristic out of the focal point of the parabolic reflector.
  • the guided and displaceable holder for the lamp holder which is guided and displaceable in the tubular extension of the reflector housing, is relatively complex and also requires relatively large dimensions in the extension of the axis of the tubular extension.
  • the innovation is based on the object of specifying a further solution for a spotlight with a lamp holder adjustable in its main axis, which is optimally integrated into the reflector housing with relatively small dimensions of the adjusting mechanism for the lamp holder.
  • the radiator 1 shown in FIG. 1 has a reflector housing 2 which accommodates the reflector including the lamp holder 7.2 with the lamp and which is provided on its light exit opening side with a removable cover glass frame 2.1.
  • the reflector housing 2 At its end opposite the light exit opening, the reflector housing 2 has a tubular extension 2.0 and is connected via this extension in a hinge 4 to the additional housing 3, which connects the further ones electrical components, in particular a ballast.
  • the additional housing 3 is provided on its upper side with an adapter 5, with which it can be latched into a busbar 6 fastened, for example, to a ceiling.
  • the reflector housing 2 of the radiator 1 consists, as shown in particular in FIG. 2, of two half-shells 2.1 which can be joined together on the envelope and which are provided with flange attachments 2.11 on both sides.
  • the assembled flange attachments 2.11 each form a cooling air duct 2.12 for better dissipation of the unavoidable heat losses generated by the point light source.
  • each half-shell 2.1 in the area of its tubular attachment 2.0 between its flange attachments 2.11 has a wall opening 2.13 which is adapted to the dimensions of the adjusting ring 7.4 of the holder unit 7 according to FIG. 3. 1 inserted into the tubular extension 2.0 of the reflector housing 2, the mounting unit 7 engages it with its adjusting ring 7.4 through the wall openings 2.13 and is thus mounted in its simple manner via its adjusting ring in the tubular extension 2.0.
  • the mounting unit 7 has a ring pot 7.1 which is adjustable in the axial direction in the adjusting ring 7.4 and on the outside of the base of which the lamp holder 7.2 which is adjustable in the main beam direction of the radiator 1 is fastened together with a U-plate 7.3.
  • the legs of the U-plate 7.3 which represent guide legs 7.31, extend on both sides in the axial direction beyond the lamp holder 7.2 and, in the state inserted in the tubular extension 2.0, each engage in a guide groove 2.14 on the inside of the wall of a half-shell 2.1.
  • Ring pot 7.1 provided at least approximately over its height obliquely arranged guide slots 7.12 through which a guide pin 7.41 anchored in the collar 7.4 is inserted.
  • the leads 7.21 for the lamp holder 7.2 are led upwards from the lamp holder 7.2 through supply openings 7.13 in the base 7.15 of the ring pot 7.1.
  • the lines 7.14 provided at the upper edge of the ring pot on opposite sides also serve to route the lines 7.21.
  • the ring pot 7.1 can only perform a movement in the main beam direction of the emitter as desired due to its guidance in the guide grooves 2.14 with its guide legs 7.31 when the adjusting ring 7.4 is rotated.
  • the flat angle of the guide slots 7.12 in the ring pot 7.1 and the mounting of the U-plate 7.3 in the guide groove 2.14 causes the holder unit 7 in the reflector housing 2 to self-lock, so that no special measure for locking the position setting of the lamp holder 7.2 once made is necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

Radiators for fully illuminating sales rooms, hotel foyers and the like generally make use of point-source lamps which are arranged in the region of the focal point of a parabolic reflector. Should it be required to be able to vary the radiation characteristic within certain limits in such a radiator, this can be carried out by means of adjusting the lampholder in the principal direction of radiation of the radiator. For a radiator (1) whose reflector housing (2) has a tubular attachment (2.0), a holder unit (7) consisting of an annular can (7.1), which can be axially adjusted in a setting ring (7.4) and to which a lampholder (7.2) is attached, is provided for adjusting the socket. As a result, the attachment of the holder unit (7) in its setting ring (7.4) is performed in wall passages (2.13) of the tubular attachment (2.0) of the reflector housing. <IMAGE>

Description

Technisches GebietTechnical field

Die Neuerung bezieht sich auf einen Strahler mit einer Punktlichtquelle, beispielsweise einer HQI-Lampe, bestehend aus einem den Reflektor einschließlich der Lampenfassung mit der Lampe in sich aufnehmenden Reflektorgehäuse, bei dem das Reflektorgehäuse an seinem hinteren Ende in einen rohrförmigen Ansatz mit einem Befestigungselement übergeht und bei dem im rohrförmigen Ansatz des Reflektorgehäuses die in der Rohrachse verstellbare Halterung für die Lampenfassung angeordnet ist.The innovation relates to a spotlight with a point light source, for example an HQI lamp, consisting of a reflector housing which accommodates the reflector, including the lamp holder with the lamp, in which the reflector housing at its rear end merges into a tubular extension with a fastening element and in which in the tubular extension of the reflector housing the adjustable in the tube axis bracket for the lamp holder is arranged.

Zugrundeliegender Stand der TechnikUnderlying state of the art

Bei Strahlern dieser Art, wie sie beispielsweise zur Ausleuchtung von Verkaufsräumen und Hotelfoyers zum Einsatz kommen, wird in der Regel von parabolischen Reflektoren Gebrauch gemacht, in deren Brennpunkt dann die Punktlichtquelle angeordnet ist. Besteht bei einem solchen Strahler der Wunsch, die Lichtverteilungskurve auch in Richtung einer mehr breitstrahlenden Charakteristik zu verändern, so kann dies grundsätzlich dadurch herbeigeführt werden, daß die Punktlichtquelle in Hauptrichtung der Strahlercharakteristik aus dem Brennpunkt des Parabolreflektors heraus verschoben wird.In the case of spotlights of this type, such as those used for illuminating sales rooms and hotel foyers, parabolic reflectors are generally used, in the focal point of which the point light source is then arranged. With such a spotlight, there is a desire to change the light distribution curve in the direction of a more wide-angle characteristic, so this can basically be brought about by moving the point light source in the main direction of the spotlight characteristic out of the focal point of the parabolic reflector.

Von einer solchen Möglichkeit macht beispielsweise die in der Literaturstelle DE-GM 88 00 280 bekannte elektrische Leuchte Gebrauch. Die im rohrartigen Ansatz des Reflektorgehäuses geführte und verschiebbare Halterung für die Lampenfassung ist relativ aufwendig und bedingt auch relativ große Abmessungen in Erstreckung der Achse des rohrförmigen Ansatzes.Such a possibility is used, for example, by the electric light known from the literature DE-GM 88 00 280. The guided and displaceable holder for the lamp holder, which is guided and displaceable in the tubular extension of the reflector housing, is relatively complex and also requires relatively large dimensions in the extension of the axis of the tubular extension.

Offenbarung der NeuerungRevealing the innovation

Der Neuerung liegt die Aufgabe zugrunde, für einen Strahler mit in seiner Hauptachse verstellbarer Lampenfassung eine weitere Lösung anzugeben, die bei relativ kleinen Abmessungen des Verstellmechanismus für die Lampenfassung optimal in das Reflektorgehäuse integriert ist.The innovation is based on the object of specifying a further solution for a spotlight with a lamp holder adjustable in its main axis, which is optimally integrated into the reflector housing with relatively small dimensions of the adjusting mechanism for the lamp holder.

Diese Aufgabe wird gemäß der Neuerung durch die im Schutzanspruch 1 angegebenen Merkmale gelöst.This object is achieved according to the innovation by the features specified in claim 1.

Zweckmäßige Ausgestaltungen des Gegenstandes nach dem Schutzanspruch 1 sind in den weiteren Schutzansprüchen 2 bis 5 angegeben.Expedient refinements of the subject matter according to protection claim 1 are specified in the further protection claims 2 to 5.

Kurze Beschreibung der ZeichnungBrief description of the drawing

In der Zeichnung bedeuten

Fig. 1
ein aus einem Reflektorgehäuse und einem Zusatzgehäuse bestehender Strahler in perspektivischer Darstellung,
Fig. 2
eine Halbschale des Reflektorgehäuses in perspektivischer Darstellung,
Fig. 3
die im rohrförmigen Ansatz des Reflektorgehäuses untergebrachte Halterungseinheit für die Lampenfassung in perspektivischer Darstellung.
Mean in the drawing
Fig. 1
a perspective view of a radiator consisting of a reflector housing and an additional housing,
Fig. 2
a half-shell of the reflector housing in a perspective view,
Fig. 3
the holder unit for the lamp holder accommodated in the tubular extension of the reflector housing in a perspective view.

Bester Weg zur Ausführung der NeuerungBest way to implement the innovation

Der in Fig. 1 dargestellte Strahler 1 weist ein den Reflektor einschließlich der Lampenfassung 7.2 mit der Lampe in sich aufnehmendes Reflektorgehäuse 2 auf, das auf seiner Lichtaustrittsöffnungsseite mit einem abnehmbaren Abdeckglasrahmen 2.1 versehen ist. Das Reflektorgehäuse 2 weist an seinem der Lichtaustrittsöffnung gegenüberliegenden Ende einen rohrförmigen Ansatz 2.0 auf und ist über diesen Ansatz hinweg in einem Scharnier 4 mit dem Zusatzgehäuse 3 verbunden, das die weiteren elektrischen Bauteile, insbesondere ein Vorschaltgerät, aufweist. Für die Befestigung und den elektrischen Anschluß des Strahlers 1 ist das Zusatzgehäuse 3 an seiner Oberseite mit einem Adapter 5 versehen, mit dem es in eine beispielsweise an einer Decke befestigte Stromschiene 6 eingeklinkt werden kann.The radiator 1 shown in FIG. 1 has a reflector housing 2 which accommodates the reflector including the lamp holder 7.2 with the lamp and which is provided on its light exit opening side with a removable cover glass frame 2.1. At its end opposite the light exit opening, the reflector housing 2 has a tubular extension 2.0 and is connected via this extension in a hinge 4 to the additional housing 3, which connects the further ones electrical components, in particular a ballast. For the fastening and the electrical connection of the radiator 1, the additional housing 3 is provided on its upper side with an adapter 5, with which it can be latched into a busbar 6 fastened, for example, to a ceiling.

Das Reflektorgehäuse 2 des Strahlers 1 besteht, wie insbesondere Fig. 2 verdeutlicht, aus zwei auf Umschlag ineinander fügbaren Halbschalen 2.1, die auf beiden Seiten mit Flanschansätzen 2.11 versehen sind. Im zusammengefügten Zustand der beiden Halbschalen 2.1, bilden die zusammengefügten Flanschansätze 2.11 jeweils einen Kühlluftkanal 2.12 für die bessere Ableitung der von der Punktlichtquelle erzeugten unvermeidbaren Wärmeverluste. Zur Aufnahme der Halterungseinheit 7 für die Lampenfassung 7.2 entsprechend Fig. 3 weist jede Halbschale 2.1 im Bereich ihres rohrförmigen Ansatzes 2.0 zwischen ihren Flanschansätzen 2.11 einen Wanddurchbruch 2.13 auf, der den Abmessungen des Stellrings 7.4 der Halterungseinheit 7 nach Fig. 3 angepaßt ist. 1 in den rohrförmigen Ansatz 2.0 des Reflektorgehäuses 2 eingesestzten Zustand der Halterungseinheit 7 greift diese mit ihrem Stellring 7.4 durch die Wanddurchbrüche 2.13 hindurch und ist auf diese einfache Weise über ihren Stellring im rohrförmigen Ansatz 2.0 gelagert.The reflector housing 2 of the radiator 1 consists, as shown in particular in FIG. 2, of two half-shells 2.1 which can be joined together on the envelope and which are provided with flange attachments 2.11 on both sides. In the assembled state of the two half-shells 2.1, the assembled flange attachments 2.11 each form a cooling air duct 2.12 for better dissipation of the unavoidable heat losses generated by the point light source. To accommodate the holder unit 7 for the lamp holder 7.2 according to FIG. 3, each half-shell 2.1 in the area of its tubular attachment 2.0 between its flange attachments 2.11 has a wall opening 2.13 which is adapted to the dimensions of the adjusting ring 7.4 of the holder unit 7 according to FIG. 3. 1 inserted into the tubular extension 2.0 of the reflector housing 2, the mounting unit 7 engages it with its adjusting ring 7.4 through the wall openings 2.13 and is thus mounted in its simple manner via its adjusting ring in the tubular extension 2.0.

Die Halterungseinheit 7 weist einen im Stellring 7.4 in Achsrichtung verstellbaren Ringtopf 7.1 auf, an dessen Bodenaußenseite die in der Hauptstrahlrichtung des Strahlers 1 verstellbare Lampenfassung 7.2 zusammen mit einem U-Blech 7.3 befestigt ist. Die Führungsschenkel 7.31 darstellenden Schenkel des U-Blechs 7.3 erstrecken sich zu beiden Seiten in Axialrichtung über die Lampenfassung 7.2 hinaus und greifen im in den rohrförmigen Ansatz 2.0 eingesetzten Zustand jeweils in eine Führungsnut 2.14 auf der Innenseite der Wandung einer Halbschale 2.1 ein.The mounting unit 7 has a ring pot 7.1 which is adjustable in the axial direction in the adjusting ring 7.4 and on the outside of the base of which the lamp holder 7.2 which is adjustable in the main beam direction of the radiator 1 is fastened together with a U-plate 7.3. The legs of the U-plate 7.3, which represent guide legs 7.31, extend on both sides in the axial direction beyond the lamp holder 7.2 and, in the state inserted in the tubular extension 2.0, each engage in a guide groove 2.14 on the inside of the wall of a half-shell 2.1.

Für die axiale Verschiebung des Ringtopfs 7.1 in Abhängigkeit einer Drehung des Steilrings 7.4 sind in der Wandung 7.11 des Ringtopfes 7.1 sich wenigstens annähernd über seine Höhe erstreckende schräg angeordnete Führungsschlitze 7.12 vorgesehen, durch die hindurch ein im Stellring 7.4 verankerter Führungsstift 7.41 gesteckt ist. Die Zuleitungen 7.21 für die Lampenfassung 7.2 sind von der Lampenfassung 7.2 nach oben durch Zuleitungsöffnungen 7.13 im Boden 7.15 des Ringtopfes 7.1 herausgeführt. Der Leitungsführung der Zuleitung 7.21 dienen auch die am oberen Rand des Ringtopfes auf gegenüberliegenden Seiten vorgesehenen Aussparungen 7.14.For the axial displacement of the ring pot 7.1 depending on a rotation of the steep ring 7.4 are in the wall 7.11 Ring pot 7.1 provided at least approximately over its height obliquely arranged guide slots 7.12 through which a guide pin 7.41 anchored in the collar 7.4 is inserted. The leads 7.21 for the lamp holder 7.2 are led upwards from the lamp holder 7.2 through supply openings 7.13 in the base 7.15 of the ring pot 7.1. The lines 7.14 provided at the upper edge of the ring pot on opposite sides also serve to route the lines 7.21.

Im in den rohrförmigen Ansatz 2.0 des Reflektorgehäuses 2 eingesetzten Zustand der Halterungseinheit 7 kann der Ringtopf 7.1 bei Drehen des Stellrings 7.4 aufgrund seiner Führung in den Führungsnuten 2.14 mit seinen Führungsschenkeln 7.31 wie gewünscht ausschließlich eine Bewegung in der Hauptstrahlrichtung des Strahlers ausführen.In the state of the mounting unit 7 inserted into the tubular extension 2.0 of the reflector housing 2, the ring pot 7.1 can only perform a movement in the main beam direction of the emitter as desired due to its guidance in the guide grooves 2.14 with its guide legs 7.31 when the adjusting ring 7.4 is rotated.

Der flache Winkel der Führungsschlitze 7.12 im Ringtopf 7.1 und die Lagerung des U-Bleches 7.3 in der Führungsnut 2.14, bewirkt eine Selbsthemmung der Halterungseinheit 7 im Reflektorgehäuse 2, somit ist keine besondere Maßnahme zur Arretierung der einmal getroffenen Lageeinstellung der Lampenfassung 7.2 erforderlich.The flat angle of the guide slots 7.12 in the ring pot 7.1 and the mounting of the U-plate 7.3 in the guide groove 2.14 causes the holder unit 7 in the reflector housing 2 to self-lock, so that no special measure for locking the position setting of the lamp holder 7.2 once made is necessary.

Claims (5)

  1. Projector with a point light source, for example an HQI-lamp, consisting of a reflector housing accommodating within itself the reflector including the lamp socket with the lamp, in which the reflector housing changes at its rear end into a tubular projection with a mounting element and in which the holder, which is adjustable in the tube axis, for the lamp socket is arranged in the tubular projection of the reflector housing, characterized
    - in that the holder for the lamp socket (7.2) is an annular cup (7.1) with feed openings (7.13) in the bottom, at the outside of the bottom of which the lamp socket (7.2) and at least two guide legs (7.31) extending along the axis of the annular cup (7.1) on both sides of the lamp socket (7.2) past the latter are mounted,
    - in that the wall (7.11) of the annular cup (7.1) exhibits on mutually opposite sides two identical guide slots (7.12) which are arranged obliquely and at least approximately over the height of the annular cup (7.1), for the engagement of guide elements anchored in an adjusting ring (7.4), the annular cup (7.1) being carried axially adjustably in the adjusting ring (7.4), and
    - in that the holder unit (7) designed in this manner for the lamp socket (7.2) is supported in the tubular projection (2.0) of the reflector housing (2) on mutually opposite sides, on the one hand, with its adjusting ring (7.4) in wall penetrations (2.13) matching the dimensions of the adjusting ring and, on the other hand, engages with its guide legs (7.31), on the annular-cup side these guide grooves (2.14) on the inside wall aligned in parallel with the guide legs and matching these.
  2. Projector according to Claim 1, characterized in that the guide legs (7.31) consist of the two legs of a U-plate (7.3) which is mounted via its centre part connecting the two legs with one another at the bottom (7.15) of the annular cup (7.1).
  3. Projector according to Claim 1 or 2, characterized in that the guide elements anchored in the adjusting ring (7.4) are formed by a guide pin (7.41) pushed through both guide slots (7.12) of the annular cup (7.1).
  4. Projector according to one of the preceding claims, characterized in that the reflector housing (2) consists of two half-shells (2.1) which are provided with flange projections (2.11) on the edge and can be joined into one another in a folding-over manner, and in that the wall penetrations (2.13) for the adjusting ring (7.4) of the holding unit (7) are in each case provided between the flange projections (2.11) on the edge of one half-shell (2.1) in the area of the tubular projection (2.0) of the reflector housing (2).
  5. Projector according to one of the preceding claims, characterized in that the mounting element at the tubular projection (2.0) of the reflector housing (2) is a hinge (4) which can be fixed in position and in which the reflector housing is held pivotably on an additional housing (3) accommodating within itself further electrical components, particularly a ballast device.
EP90105149A 1989-03-23 1990-03-19 Projector Expired - Lifetime EP0389912B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90105149T ATE99399T1 (en) 1989-03-23 1990-03-19 RADIANT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8903699U DE8903699U1 (en) 1989-03-23 1989-03-23
DE8903699U 1989-03-23

Publications (2)

Publication Number Publication Date
EP0389912A1 EP0389912A1 (en) 1990-10-03
EP0389912B1 true EP0389912B1 (en) 1993-12-29

Family

ID=6837509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90105149A Expired - Lifetime EP0389912B1 (en) 1989-03-23 1990-03-19 Projector

Country Status (3)

Country Link
EP (1) EP0389912B1 (en)
AT (1) ATE99399T1 (en)
DE (2) DE8903699U1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210450A1 (en) * 1992-03-30 1993-10-07 Hartmut S Engel Spotlight with a focusing device
NL9301649A (en) * 1993-09-24 1995-04-18 Massive Productie Nederland B Lamp
US6045236A (en) * 1996-08-09 2000-04-04 Black & Decker Inc. Twist on/off and adjustable focus flashlight
DE10241182A1 (en) * 2002-09-05 2004-03-18 Licht + Design Gmbh Ceiling or wall spot lights mounted on rail type busbars or similar means has pivoting housing for control equipment and pivoting lamp fitting

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8800280U1 (en) * 1988-01-13 1988-04-21 Designer Societaet Stuttgart, 7000 Stuttgart, De

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Publication number Priority date Publication date Assignee Title
DE322850C (en) * 1919-02-06 1920-07-10 Schneider & Co Dr Ing Incandescent lamp fitting
FR652247A (en) * 1928-04-05 1929-03-06 Device for adjusting the position of the light source in electric or other lighting fittings
DE1600375U (en) * 1949-01-24 1950-02-02 Florenz Voegeding Metallwarenf DEVICE FOR FOCUSING THE LIGHT SOURCE ON HEADLIGHTS FOR ELECTRICALLY OPERATED RAIL VEHICLES AND THE LIKE.
US3020390A (en) * 1958-06-17 1962-02-06 Carroll B Lusk Light projector
DE1976688U (en) * 1967-10-27 1968-01-11 Reininghaus & Co SPOTLIGHT.
GB1424360A (en) * 1972-05-22 1976-02-11 Rotaflex Ltd Spotlieghts
NL7216165A (en) * 1972-11-29 1974-05-31
US4061912A (en) * 1976-10-26 1977-12-06 Berkey-Colortran, Inc. Filament alignment mechanism for follow spot or the like
DE2723145C3 (en) * 1977-05-23 1981-03-26 Hoffmeister-Leuchten GmbH & Co KG, 58507 Lüdenscheid Electric narrow beam luminaire
GB1588657A (en) * 1978-04-28 1981-04-29 Rotaflex Ltd Lamp holder
DE3710147A1 (en) * 1987-03-27 1988-10-13 Hartmut S Engel Radiator (light source)
DE3800695A1 (en) * 1988-01-13 1989-07-27 Designer Societaet Stuttgart Electric luminaire

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8800280U1 (en) * 1988-01-13 1988-04-21 Designer Societaet Stuttgart, 7000 Stuttgart, De

Also Published As

Publication number Publication date
DE8903699U1 (en) 1989-05-18
DE59003993D1 (en) 1994-02-10
ATE99399T1 (en) 1994-01-15
EP0389912A1 (en) 1990-10-03

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