EP0933590A2 - Halogen lamp with screen at the light output - Google Patents

Halogen lamp with screen at the light output Download PDF

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Publication number
EP0933590A2
EP0933590A2 EP99101253A EP99101253A EP0933590A2 EP 0933590 A2 EP0933590 A2 EP 0933590A2 EP 99101253 A EP99101253 A EP 99101253A EP 99101253 A EP99101253 A EP 99101253A EP 0933590 A2 EP0933590 A2 EP 0933590A2
Authority
EP
European Patent Office
Prior art keywords
ring
halogen lamp
housing
retaining ring
aperture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99101253A
Other languages
German (de)
French (fr)
Other versions
EP0933590A3 (en
EP0933590B1 (en
Inventor
Gerhard Waldmann
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.)
Herbert Waldmann GmbH and Co KG
Original Assignee
Herbert Waldmann GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Herbert Waldmann GmbH and Co KG filed Critical Herbert Waldmann GmbH and Co KG
Publication of EP0933590A2 publication Critical patent/EP0933590A2/en
Publication of EP0933590A3 publication Critical patent/EP0933590A3/en
Application granted granted Critical
Publication of EP0933590B1 publication Critical patent/EP0933590B1/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
    • 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
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs

Definitions

  • the invention relates to a halogen lamp according to the preamble of claim 1.
  • Luminaires which have a removable light exit screen with a fixed orifice plate, i.e. one clear or frosted glass, plastic or The like. Have at the light exit opening of their housing. Also light exit screens with a fixed screen grid are known.
  • From US 5 349 510 is a luminaire with any light source known, the one at the light outlet opening of the housing hinged light outlet with a built-in Lens or aperture plate and a second built-in Has aperture disc. A possible removal of the Lens and / or the aperture discs is not provided and would be associated with a considerable assembly effort.
  • a halogen lamp is known from CH 680 684, in which in the light outlet opening of the housing two diaphragm disks and a screen grid between two circlips loose are inserted.
  • the front or outer circlip can be removed from the housing, whereupon the aperture washers and the screen grille loosely fall out of the light exit opening can.
  • the invention aims to create a halogen lamp where it is possible in one of the lamp housing Removable light outlet cover either one or two same or different aperture disks and an aperture screen attachable.
  • the light outlet cover should regardless of the number of parts brought in as closed Functional unit can be handled.
  • the first O-ring or in the solution according to claim 2 the Both O-rings are independent of whether they are on orifice plates concern, held in their grooves. You can choose one or two cover disks on the designated ones Place in front of the first O-ring or between the two O-rings be inserted. At the inner end of the retaining ring is in in any way, either form-fitting or frictionally detachable screen grid held.
  • the halogen lamp shown in the figures has Linkage 10 and an adjustable mounted on linkage 10 Outer housing 11 on.
  • light exit opening 14 In the at the front end of the outer case 11 located light exit opening 14 is a general attached with 16 designated light outlet.
  • the Light exit aperture 16 has a retaining ring 18 which by means of a thread 20 on the front end of the inside of the outer housing 11 arranged actual housing 12th is screwed on.
  • Near the front end of the retaining ring 18 is an inward on its inside Ring web 32 provided, on the back of a first aperture disc 34 is present.
  • the back of the first aperture disk 34 is held by the first O-ring 28 while on the back of the first O-ring 28 one parallel to the first Aperture disc 34 lies on the second aperture disc 36, which in turn is held on the back by the second O-ring 30 becomes.
  • Also on the back of the second aperture disc 36 abuts the front edge of a spacer ring 38, the rear edge of which is supported in the housing 12 Halogen lamp 40 supports.

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)
  • Endoscopes (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Glass Compositions (AREA)

Abstract

the halogen light has a housing containing a halogen lamp (40) and a light output stop (16) mounted at the housing's light outlet opening. The stop has a holding ring (18) removably mounted on the housing with a radially inwardly protruding annular bridge (32). The holder ring has a first annular groove (24) on its radially inner side in which an O-ring (28) is inserted. The bridge is arranged on the front side of the first O-ring facing away from the lamp. A first stop plate (34) rests on the bridge from behind and a stop raster (44) is removably fixed in the holder ring

Description

Die Erfindung betrifft eine Halogenleuchte nach dem Oberbegriff des Anspruchs 1.The invention relates to a halogen lamp according to the preamble of claim 1.

Es sind Leuchten bekannt, die eine abnehmbare Lichtaustrittsblende mit einer fest eingebauten Blendenscheibe, d.h. einer klaren oder mattierten Scheibe aus Glas, Kunststoff oder dergl.an der Lichtausrittsöffnung ihres Gehäuses, aufweisen. Auch Lichtaustrittsblenden mit fest eingebautem Blendenraster sind bekannt.Luminaires are known which have a removable light exit screen with a fixed orifice plate, i.e. one clear or frosted glass, plastic or The like. Have at the light exit opening of their housing. Also light exit screens with a fixed screen grid are known.

Aus US 5 349 510 ist eine Leuchte mit beliebiger Lichtquelle bekannt, die an der Lichtaustrittsöffnung des Gehäuses eine aufklappbare Lichtaustrittsblende mit einer fest eingebauten Linse oder Blendenscheibe und einer zweiten fest eingebauten Blendenscheibe aufweist. Ein eventuelles Herausnehmen der Linse und/oder der Blendenscheiben ist nicht vorgesehen und wäre mit einem erheblichen Montageaufwand verbunden.From US 5 349 510 is a luminaire with any light source known, the one at the light outlet opening of the housing hinged light outlet with a built-in Lens or aperture plate and a second built-in Has aperture disc. A possible removal of the Lens and / or the aperture discs is not provided and would be associated with a considerable assembly effort.

Aus CH 680 684 ist eine Halogenleuchte bekannt, bei der in die Lichtaustrittsöffnung des Gehäuses zwei Blendenscheiben und ein Blendraster zwischen zwei Sicherungsringen lose eingelegt sind. Der vordere oder äußere Sicherungsring kann vom Gehäuse abgezogen werden, woraufhin die Blendenscheiben und das Blendraster lose aus der Lichtaustrittsöffnung herausfallen können.A halogen lamp is known from CH 680 684, in which in the light outlet opening of the housing two diaphragm disks and a screen grid between two circlips loose are inserted. The front or outer circlip can be removed from the housing, whereupon the aperture washers and the screen grille loosely fall out of the light exit opening can.

Durch die Erfindung soll eine Halogenleuchte geschaffen werden, bei der es möglich ist, in einer vom Leuchtengehäuse abnehmbaren Lichtaustrittsblende wahlweise eine oder zwei gleiche oder verschiedene Blendenscheiben und ein Blendraster lösbar anzubringen. Die Lichtaustrittsblende soll dabei unabhängig von der Anzahl der eingebrachten Teile als geschlossene Funktionseinheit handhabbar sein.The invention aims to create a halogen lamp where it is possible in one of the lamp housing Removable light outlet cover either one or two same or different aperture disks and an aperture screen attachable. The light outlet cover should regardless of the number of parts brought in as closed Functional unit can be handled.

Diese Aufgabe wird bei einer Halogenleuchte der eingangs genannten Art erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Die erfindungsgemäß ausgebildete Lichtaustrittsblende ist daher als geschlossene Funktionseinheit in beliebiger Bestückung mit Blendenscheiben und/oder Blendraster handhabbar und kann mit allen darin lose haftend eingesetzten Teilen vom Gehäuse abgenommen und eventuell nach Auswechslung einzelner Teile wieder auf dasselbe aufgesetzt werden.This task is the beginning of a halogen lamp mentioned type according to the invention by the characterizing Features of claim 1 solved. The trained according to the invention The light exit screen is therefore closed Functional unit in any configuration with orifice plates and / or blind grid can be handled and can be loose with all of them adherent parts removed from the housing and possibly after replacing individual parts on the same be put on.

Der erste O-Ring bzw. bei der Lösung nach Anspruch 2 die beiden O-Ringe werden unabhängig davon, ob sie an Blendenscheiben anliegen, in ihren Nuten gehalten. Es können wahlweise eine oder zwei Blendscheiben an den dafür vorgesehenen Stellen vor dem ersten O-Ring bzw. zwischen den beiden O-Ringen eingelegt werden. Am inneren Ende des Halterings wird in beliebiger Weise form- oder reibungsschlüssig das ebenfalls lösbare Blendraster gehalten.The first O-ring or in the solution according to claim 2 the Both O-rings are independent of whether they are on orifice plates concern, held in their grooves. You can choose one or two cover disks on the designated ones Place in front of the first O-ring or between the two O-rings be inserted. At the inner end of the retaining ring is in in any way, either form-fitting or frictionally detachable screen grid held.

Die weiteren Unteransprüche sind auf vorteilhafte Ausgestaltungen der Erfindung gerichtet. Nach Anspruch 3 ist insbesondere ein Distanzring vorgesehen, der einerseits der Abstützung an der im Gehäuse gelagerten Halogenlampe und andererseits gemäß Anspruch 5 der losen Halterung des Blendrasters dient. Die Ausgestaltungen nach den Ansprüchen 4 und 6 dienen der Halterung des Distanzrings bzw. des Halterings selbst am Gehäuse.The further subclaims relate to advantageous refinements directed of the invention. According to claim 3 is in particular a spacer ring is provided on the one hand the support on the halogen lamp mounted in the housing and on the other according to claim 5 of the loose holder of the screen grid serves. The configurations according to claims 4 and 6 serve the holder of the spacer ring or the retaining ring itself on Casing.

Anhand der Figuren wird ein bevorzugtes Ausführungsbeispiel der Erfindung näher erläutert. Es zeigt:

Figur 1
eine Seitenansicht der gesamten Halogenleuchte,
Figur 2
eine vergrößerte und teilweise geschnittene Seitenansicht des Leuchtengehäuses und
Figur 3
einen gegenüber Fig.2 nochmals vergrößerten Teilschnitt.
A preferred exemplary embodiment of the invention is explained in more detail with reference to the figures. It shows:
Figure 1
a side view of the entire halogen lamp,
Figure 2
an enlarged and partially sectioned side view of the lamp housing and
Figure 3
a partial section enlarged again compared to Figure 2.

Die in den Figuren dargestellte Halogenleuchte weist ein Gestänge 10 und ein am Gestänge 10 verstellbar gelagertes Außengehäuse 11 auf. In der am vorderen Ende des Außengehäuses 11 gelegenen Lichtaustrittsöffnung 14 ist eine allgemein mit 16 bezeichnete Lichtaustrittsblende angebracht. Die Lichtaustrittsblende 16 weist einen Haltering 18 auf, der mittels eines Gewindes 20 auf das vordere Ende des im Inneren des Außengehäuses 11 angeordneten eigentlichen Gehäuses 12 aufgeschraubt ist.The halogen lamp shown in the figures has Linkage 10 and an adjustable mounted on linkage 10 Outer housing 11 on. In the at the front end of the outer case 11 located light exit opening 14 is a general attached with 16 designated light outlet. The Light exit aperture 16 has a retaining ring 18 which by means of a thread 20 on the front end of the inside of the outer housing 11 arranged actual housing 12th is screwed on.

Im vorderen, von der Halogenlampe 40 abgelegenen Abschnitt des Halterings 18 sind an dessen Innenseite eine erste Ringnut 24 und eine zweite Ringnut 26 angebracht, in die jeweils ein erster elastischer O-Ring 28 bzw. ein zweiter elastischer O-Ring 30 eingelegt ist. Nahe dem vorderen Ende des Halterings 18 ist an seiner Innenseite ein nach innen stehender Ringsteg 32 vorgesehen, an dessen Rückseite eine erste Blendenscheibe 34 anliegt. Die Rückseite der ersten Blendenscheibe 34 wird durch den ersten O-Ring 28 gehalten, während an der Rückseite des ersten O-Rings 28 eine parallel zur ersten Blendenscheibe 34 liegende zweite Blendenscheibe 36 anliegt, die wiederum an ihrer Rückseite vom zweiten O-Ring 30 gehalten wird. Ebenfalls an der Rückseite der zweiten Blendenscheibe 36 stößt der vordere Rand eines Distanzrings 38 an, dessen rückwärtiger Rand sich an der im Gehäuse 12 gelagerten Halogenlampe 40 abstützt.In the front section away from the halogen lamp 40 of the retaining ring 18 are a first annular groove on the inside 24 and a second annular groove 26 attached, in each a first elastic O-ring 28 or a second elastic O-ring 30 is inserted. Near the front end of the retaining ring 18 is an inward on its inside Ring web 32 provided, on the back of a first aperture disc 34 is present. The back of the first aperture disk 34 is held by the first O-ring 28 while on the back of the first O-ring 28 one parallel to the first Aperture disc 34 lies on the second aperture disc 36, which in turn is held on the back by the second O-ring 30 becomes. Also on the back of the second aperture disc 36 abuts the front edge of a spacer ring 38, the rear edge of which is supported in the housing 12 Halogen lamp 40 supports.

Zwischen einem nach vorn weisenden ringförmigen Absatz 42 an der Innenseite des Distanzrings 38 und der Rückseite der zweiten Blendenscheibe 36 ist ein Blendraster 44 eingespreizt. Der vordere Rand des Distanzrings 38 ist mit einem nach außen weisenden Wulst 46 versehen, welcher den zweiten O-Ring 30 leicht hintergreift und dadurch für ein festes Haften des Distanzrings 38 an der aus Haltering 18, Blendenscheiben 34 und 36, Distanzring 38 und Blendraster 44 bestehenden Lichtaustrittsblende 16 sorgt. Die Lichtaustrittsblende 16 ist daher als zusammengehörige Funktionseinheit handhabbar und kann geschlossen vom Gehäuse 12 abgenommen und wieder auf dasselbe aufgesetzt werden. In abgenommenem Zustand lassen sich in einfacher Weise der Distanzring 38, das Blendraster 44 sowie eine der Blendenscheiben 34, 36 oder beide jeweils wahlweise herausnehmen bzw. auswechseln, worauf die Lichtaustrittsblende 16 wieder aufgesetzt werden kann. So ist jede gewünschte Änderung der Lichtaustrittsblende 16 oder auch die Auswechslung einzelner Teile gegen anders wirkende oder geformte Teile möglich.Between an annular shoulder 42 pointing forward the inside of the spacer ring 38 and the back of the a diaphragm grid 44 is spread in the second diaphragm disk 36. The front edge of the spacer ring 38 is with a outward-pointing bead 46 which the second O-ring 30 easily engages behind and therefore for a firm Adhesion of the spacer ring 38 to the retaining ring 18, diaphragm disks 34 and 36, spacer ring 38 and blind panel 44 existing Light exit aperture 16 ensures. The light outlet cover 16 can therefore be handled as an associated functional unit and can be removed from the housing 12 and closed put back on the same. In removed condition the spacer ring 38, the Aperture screen 44 and one of the aperture disks 34, 36 or either remove or replace both, whereupon the light exit aperture 16 can be replaced. So is any desired change in the light exit aperture 16 or also the replacement of individual parts with other parts or molded parts possible.

Claims (6)

Halogenleuchte mit einem Gehäuse (10), einer im Gehäuse angebrachten Halogenlampe (40) und einer an der Lichtaustrittsöffnung (14) des Gehäuses (10) angebrachten Lichtaustrittsblende (16), wobei die Lichtaustrittsblende (16) einen lösbar am Gehäuse (12) befestigbaren Haltering (18) mit einem radial nach innen stehenden Ringsteg (32) aufweist, dadurch gekennzeichnet, daß der Haltering (18) an seiner radialen Innenseite eine erste Ringnut (24) aufweist, in die ein erster O-Ring (28) eingelegt ist, daß der Ringsteg (32) auf der von der Halogenlampe (40) wegweisenden Vorderseite des ersten O-Rings (28) angeordnet ist, daß eine erste Blendenscheibe (34) am Ringsteg (32) von hinten anliegt, und daß ein Blendraster (44) im Haltering (18) lösbar festgelegt ist.Halogen lamp with a housing (10), one in the housing attached halogen lamp (40) and one at the light outlet (14) of the housing (10) Light exit aperture (16), the light exit aperture (16) a detachably attachable to the housing (12) Retaining ring (18) with a radially inward Ring web (32), characterized in that the A first retaining ring (18) on its radial inside Has annular groove (24) into which a first O-ring (28) is inserted that the ring web (32) on the Halogen lamp (40) groundbreaking front of the first O-rings (28) is arranged that a first diaphragm disk (34) abuts the ring web (32) from behind, and that a blind grid (44) in the retaining ring (18) releasably fixed is. Halogenleuchte nach Anspruch 1, dadurch gekennzeichnet, daß zwischen Blendraster (44) und erster Blendenscheibe (34) ein zweite Blendenscheibe (36) eingelegt ist, welche vorderseitig am ersten O-Ring (28 und rückseitig an einem zweiten, in einer zweiten Ringnut (26) befindlichen O-Ring (30) anliegt.Halogen lamp according to claim 1, characterized in that between the blind grille (44) and the first diaphragm disk (34) a second diaphragm disk (36) is inserted, which on the front on the first O-ring (28 and on the back on a second one located in a second annular groove (26) O-ring (30) rests. Halogenleuchte nach Anspruch 2, dadurch gekennzeichnet, daß an der Rückseite der zweiten Blendenscheibe (36) der vordere Rand eines Distanzrings (38) anliegt, der in einer vom Gehäuse (12) abgenommenen Stellung des Halterings (18) am zweiten O-Ring (30) gehalten ist und in einer am Gehäuse (12) befestigten Stellung des Halterings (18) sich mit seinem rückwärtigen Rand an der Halogenlampe (40) abstützt.Halogen lamp according to claim 2, characterized in that on the back of the second diaphragm disk (36) front edge of a spacer ring (38), which in a position of the retaining ring removed from the housing (12) (18) is held on the second O-ring (30) and in a position of the retaining ring fastened to the housing (12) (18) with its rear edge on the Halogen lamp (40) supports. Halogenleuchte nach Anspruch 3, dadurch gekennzeichnet, daß der Distanzring (38) durch einen am zweiten O-Ring (30) angreifenden Wulst (46) am zweiten O-Ring (30) gehalten ist.Halogen lamp according to claim 3, characterized in that the spacer ring (38) by one on the second O-ring (30) attacking bead (46) on the second O-ring (30) is held. Halogenleuchte nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß zwischen der Rückseite der zweiten Blendenscheibe (36) und einem Absatz (42) des Distanzrings (38) das Blendraster (44) eingespreizt ist.Halogen lamp according to claim 3 or 4, characterized in that between the back of the second aperture disk (36) and a shoulder (42) of the spacer ring (38) the blind screen (44) is spread. Halogenleuchte nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Haltering (18) mittels Gewinde (20) oder Bajonettverschluß am Gehäuse (12) festlegbar ist.Halogen lamp according to one of the preceding claims, characterized in that the retaining ring (18) by means of Thread (20) or bayonet lock on the housing (12) is definable.
EP99101253A 1998-01-31 1999-01-23 Halogen lamp with screen at the light output Expired - Lifetime EP0933590B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803880 1998-01-31
DE19803880A DE19803880C2 (en) 1998-01-31 1998-01-31 Halogen lamp with light outlet panel

Publications (3)

Publication Number Publication Date
EP0933590A2 true EP0933590A2 (en) 1999-08-04
EP0933590A3 EP0933590A3 (en) 2001-03-14
EP0933590B1 EP0933590B1 (en) 2006-05-24

Family

ID=7856311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101253A Expired - Lifetime EP0933590B1 (en) 1998-01-31 1999-01-23 Halogen lamp with screen at the light output

Country Status (5)

Country Link
US (1) US6179450B1 (en)
EP (1) EP0933590B1 (en)
AT (1) ATE327470T1 (en)
DE (2) DE19803880C2 (en)
SG (1) SG75913A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH680684A5 (en) 1989-10-25 1992-10-15 Waldmann Gmbh & Co Herbert Anti dazzle light fitting suitable for halogen bulbs
US5349510A (en) 1992-03-23 1994-09-20 Hubbell Incorporated Spring latching mechanism for light fixture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1343899A (en) * 1920-06-22 Signal-lamp
US1619720A (en) * 1926-02-27 1927-03-01 Harry L Gordon Antiglare attachment for headlights
US1712351A (en) * 1928-04-05 1929-05-07 Anthony J Mara Light deflector
US2119370A (en) * 1937-02-17 1938-05-31 Ladden Corp Van Light control means for headlights and the like
FR1580755A (en) * 1968-09-07 1969-09-05
DE2251131A1 (en) * 1972-10-16 1973-10-31 Sill Franz Kg AREA SPOTLIGHT FOR HALOGEN OR THE LIKE. LAMPS
DE4202295C1 (en) * 1992-01-28 1993-07-15 Hoffmeister-Leuchten Gmbh & Co Kg, 5880 Luedenscheid, De Ceiling-mounted lamp e.g. for buildings - has holding ring with magnetic flange and magnetic locking ring, sandwiching shoulder of reflector mouth and glass
DE4204669A1 (en) * 1992-02-17 1993-08-19 Abb Patent Gmbh LAMP
DE4210439C2 (en) * 1992-03-30 2003-06-12 Hartmut S Engel Attachment system for a spot lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH680684A5 (en) 1989-10-25 1992-10-15 Waldmann Gmbh & Co Herbert Anti dazzle light fitting suitable for halogen bulbs
US5349510A (en) 1992-03-23 1994-09-20 Hubbell Incorporated Spring latching mechanism for light fixture

Also Published As

Publication number Publication date
SG75913A1 (en) 2000-10-24
EP0933590A3 (en) 2001-03-14
ATE327470T1 (en) 2006-06-15
DE19803880C2 (en) 2003-09-18
US6179450B1 (en) 2001-01-30
DE59913443D1 (en) 2006-06-29
EP0933590B1 (en) 2006-05-24
DE19803880A1 (en) 1999-08-12

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