Patents
Patents for F21V 13 - Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups (11,665)
05/1993
05/06/1993DE4135596A1 Vehicle headlamp with discharge lamp and UV filter - has failsafe electrical connection through beam defining aperture on UV filter to switch lamp off if filter breaks
05/04/1993US5207504 Method and apparatus for tuning strip flourescent light fixtures
04/1993
04/28/1993EP0538727A1 Reflector for a lighting device
04/21/1993EP0538132A1 Signal light with at least two different signalling functions, in particular rearlight for a vehicle
04/13/1993CA1316159C High aspect ratio light fixture and film for use therein
04/06/1993US5199779 Projection-type vehicular headlamp
03/1993
03/23/1993US5195818 Elongated lamp
03/02/1993US5190370 High aspect ratio lighting element
03/02/1993US5190368 Four lamp type headlamp
02/1993
02/24/1993EP0528645A2 High aspect ratio lighting element
02/24/1993EP0528589A2 Refracting lens for outdoor light fixtures
02/24/1993EP0528539A1 Outdoor variable focus light fixture
02/24/1993EP0527904A1 Traffic light
01/1993
01/27/1993EP0524388A2 Natural light device
01/19/1993US5180218 Automotive projection type headlamp having no ultraviolet rays output
01/03/1993WO1993001613A1 Incandescent illumination system
01/03/1993CA2103358A1 Incandescent illumination system
12/1992
12/23/1992WO1992022768A1 High aspect ratio light emitter having high uniformity and directionality
12/22/1992US5172972 Motor vehicle headlamp
12/09/1992EP0516974A2 Light with reflective shade
12/08/1992US5169224 Discharge head lamp assembly
12/03/1992DE4225386A1 Fluorescent lamp lighting unit - has apertured light stop projecting inwards from one side of light exit opening
12/02/1992CN1066635A Equipment for illumination of passenger space of lift cage
11/1992
11/24/1992US5165784 Adjustable photography light that maintains constant color temperature
11/19/1992EP0513907A2 Luminaire for creating a primary beam and a secondary beam
11/19/1992EP0513713A2 Light fixture incorporating a linear light source
11/19/1992EP0513492A1 Elevator cabin
11/17/1992US5163749 Wall lamp with refraction lenses
11/14/1992CA2064599A1 Equipment for illumination of the passenger space of a lift cage
11/10/1992US5161883 Means and method for increasing output, efficiency, and flexibility of use of an arc lamp
11/10/1992US5161880 Light source device
11/03/1992US5160193 Modular medical light system
11/03/1992US5160192 Illuminating instrument
10/1992
10/27/1992US5158350 Projection-type vehicular headlamp
10/27/1992US5158348 Flood lighting system
10/20/1992US5156445 Projection-type vehicular headlamp
10/15/1992DE4111567A1 Light grid and reflector units joined on one side by hook-in connection - are connected on other side with locking device having rotary slide engaging around catchment cam on holder cam device
10/13/1992US5154503 Photographic light modifier
10/01/1992WO1992016790A1 Parabolic deflector
09/1992
09/30/1992EP0506056A1 Headlamp
09/24/1992DE4109492A1 Light raster for tubular discharge lamp - uses mirrored pairs of lamella elements beneath lamp tube
09/22/1992US5149191 Combination louver/lens light fixture shield
09/17/1992WO1992015484A1 An illuminator, especially a runway approach flashlight
09/17/1992DE4208071A1 Vehicle combined lighting unit - has common light deflector for different light sources coupled to optical fibres
09/08/1992CA1307149C Reflective film
09/02/1992EP0501668A2 Improved light source design using ellipsoidal reflector
08/1992
08/05/1992EP0496921A1 Lamp
08/05/1992EP0496920A1 Lighting fixture
07/1992
07/23/1992DE4100654A1 Infrared lamp for video monitoring system - has array of IR light emitting diodes aligned at different angles on baseplate
07/22/1992EP0495685A1 Rear window stop lamp for motor vehicles
07/22/1992EP0495027A1 Headlamp for motor vehicles.
07/14/1992US5130908 Architectural member comprising illumination system
07/14/1992US5130902 Light, in particular for motor vehicles
06/1992
06/30/1992US5126924 Motor vehicle headlamp
06/24/1992EP0491428A1 Luminaire and louvre for same
06/23/1992US5124894 Variable focusing flashlight
06/23/1992US5124891 Motor vehicle headlight including an improved light source
06/17/1992EP0490282A2 A lamp
06/17/1992EP0490279A2 Light box
06/09/1992CA2057227A1 Lamp
06/09/1992CA2057154A1 Light box
06/09/1992CA1302997C Reflector/refractor
06/03/1992EP0487679A1 Vehicle headlight.
06/02/1992US5119276 Vehicular lamp unit
05/1992
05/12/1992US5113321 Vehicular lamp
04/1992
04/07/1992US5103381 Flashlight
04/01/1992EP0477264A1 Embedded light fitting for runways.
03/1992
03/17/1992US5097395 Multiple cavity light fixture
03/10/1992US5095415 Light fixture for externally illuminated sign
03/03/1992US5093766 Headlamp for vehicle
02/1992
02/25/1992US5091830 Projection type vehicular headlamp
02/20/1992WO1992002757A1 Headlamp for motor vehicles
02/20/1992DE4125545A1 Indirect reflector lamp for high-quality interior lighting - has two concave reflectors illuminated through orthogonally prismatic sidewalls of channel surrounding straight fluorescent tube
02/18/1992US5089942 Head lamps unit with multiple passing beam filaments providing improved passing beam
02/06/1992DE4024738A1 Indirect reflective luminaire for even illumination of large area - has fluorescent lamp(s) within furrow-shaped auxiliary reflector opposite main reflector
01/1992
01/21/1992US5083245 Lamp assembly
01/14/1992US5081569 Luminaire with changeable accent lighting
01/07/1992US5079681 Illuminating apparatus
01/07/1992US5079677 Headlamp unit for motor vehicles
12/1991
12/31/1991US5077649 Headlight adjusters/shutters
12/31/1991US5077644 Reflector for hand held flashlight
12/26/1991WO1991019938A1 Vehicle headlight
12/24/1991US5075828 Glare control lamp and reflector assembly and method for glare control
12/11/1991EP0460913A2 A lighting unit having a lamp and a reflector
12/10/1991US5072346 Light beam amplifier
12/03/1991US5070432 Projector-type automobile headlamp having improved appearance
11/1991
11/19/1991US5067053 Automotive headlamp
11/12/1991WO1991018242A1 Traffic light
11/12/1991CA2082525A1 Traffic light
10/1991
10/30/1991CN2087728U Plate art lamp
10/29/1991US5061872 Bulb construction for traffic signals and the like
09/1991
09/10/1991US5047903 Aerodynamic vehicle headlamp
08/1991
08/08/1991WO1991011654A1 Projector device
08/06/1991US5038260 Generator for generating one or more dots or lines of light
08/06/1991US5038254 Integrated medical light system
07/1991
07/31/1991EP0439406A1 Headlight with improved light source
07/30/1991US5036438 Projector-type head lamp for motor vehicles
07/02/1991US5029059 Screen light provided with bar-shaped fluorescent lamp
06/1991
06/19/1991EP0432918A2 Vehicle headlamp assembly
06/05/1991EP0430470A2 Reflector and lighting unit comprising same