Patents
Sitemap › 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 › F21V 14 - Changing the characteristics or distribution of the light emitted by adjustment of parts
Patents for F21V 14 - Changing the characteristics or distribution of the light emitted by adjustment of parts (9,554)
08/1991
08/06/1991US5038261 Operating lamp with adjustable mounting
08/06/1991US5038254 Integrated medical light system
07/1991
07/31/1991EP0438422A1 Vehicular headlight.
07/16/1991US5032964 Headlight for motor vehicle
07/09/1991US5031081 Headlamp for power vehicle
07/09/1991US5031078 Additive color mixing system with variable hue and saturation light sources
07/02/1991US5029051 Headlamp for motor vehicles
06/1991
06/18/1991US5025356 Small profile high wattage horitcultural luminaire
06/18/1991US5025355 Combination lighting fixture and graphic display means
06/12/1991EP0431802A2 Lamp assembly
06/11/1991US5023758 Single arc discharge headlamp with light switch for high/low beam operation
06/06/1991DE4004077C1 Illuminating device for small arms - has cold light lamp coupled to light conductors directing light to parabolic mirror in gun barrel
06/06/1991DE3939351A1 Spotlight providing background lighting for mine or tunnel - uses respective light sources to provide main and background light beams
06/05/1991EP0430814A1 Capsule, especially for mounting the head of a calibrating screw of a headlampreflector for an automobile
06/05/1991EP0429922A1 Projector-type headlamp
06/04/1991CA1284594C Selectable aperture module
05/1991
05/22/1991EP0428360A2 Single arc discharge headlamp with light switch for high/low beam operation
05/21/1991US5016975 Electronic endoscope provided with a sample-hold circuit
05/14/1991US5016155 Headlamp for an automotive vehicle having improved means for running adjustment
05/14/1991US5016150 Means and method for increasing output, efficiency, and flexibility of use of an arc lamp
05/14/1991CA2025363A1 Single arc discharge headlamp with light switch for high/low beam operation
05/08/1991EP0426337A2 Upper and lower beam optical switch for line-of-light headlamps using opaque masks
05/04/1991CA2027149A1 Combination lighting fixture and graphic display means
04/1991
04/17/1991EP0422331A2 Surgical operation lamp with adjustable mounting
04/17/1991EP0422084A1 Light, in particular a light for motor vehicles.
04/16/1991US5008785 Rechargeable miniature flashlight
04/16/1991US5008781 Headlamp unit
04/04/1991DE3932216A1 Vehicular headlamp system giving early warning of obstacles - maintains main-beam headlamps in operation but masked by infrared filters while dipped headlamps are on
03/1991
03/26/1991US5003436 Method and apparatus for assembling a headlight
03/21/1991DE4015280A1 Vehicle headlamp with spirit level on reflector - mounted in housing but pivotable about horizontal axis
03/20/1991EP0417502A2 Electrical underwater device, especially lamp
03/13/1991EP0416998A1 Device for adjusting the inclination of the headlight of a vehicle
03/07/1991WO1991002666A1 Vehicular headlight
03/06/1991EP0415164A1 Additive color mixing system with variable hue and saturation light sources
02/1991
02/27/1991EP0414312A1 Lamp/reflector unit
02/26/1991CA1280731C Composite reflecting mirror for headlamp
02/14/1991DE3926618A1 Lighting unit with variable flood to spot capability - has twin fixed and moving lenses with matching concentric convex and concave prisms enabling selection of light beam
02/13/1991EP0412367A1 Automotive vehicle headlamp
02/05/1991US4991070 Sleeve for a light element
02/05/1991US4991065 Lighting system
02/05/1991US4991063 Photographic flash apparatus
01/1991
01/22/1991US4987521 Motor vehicle headlight including a single light source for generating two different beams
01/08/1991US4984141 Warning and lighting flash light
01/08/1991US4984136 Automotive headlamp unit with aiming adjustment lid
12/1990
12/25/1990US4980804 Headlight for power vehicles
12/19/1990EP0402845A2 Spotlight with infinitely variable light intensity
12/19/1990EP0402428A1 Headlamp for motor vehicles.
11/1990
11/28/1990EP0241477B1 An automobile headlight which throws its light in the adjusted direction
11/20/1990CA1276607C Lens carrier
10/1990
10/30/1990US4967319 Headlight apparatus for automotive vehicle
10/30/1990US4967318 Vehicle headlight
10/10/1990EP0391482A2 Electric incandescent lamp
09/1990
09/11/1990US4956755 Mechanical actuation
09/07/1990WO1990010174A1 Light, in particular a light for motor vehicles
08/1990
08/28/1990US4953063 Vehicular headlamp
08/21/1990US4951183 Focusable flashlight
08/21/1990US4951178 Headlight for motor vehicle
08/21/1990CA1272995A1 Motor vehicle headlight module
08/16/1990EP0381851A1 Dimmed headlamp for motor vehicles
08/14/1990US4949227 Upper and lower beam optical switch for line-of-light headlamps using opaque masks
08/14/1990CA1272708A1 Motor vehicle lighting assembly
08/07/1990US4947291 Lighting device
08/07/1990US4947078 Sealed beam headlamp
08/01/1990EP0380396A1 Motor vehicle headlamp comprising one light source and producing two different beams
07/1990
07/31/1990US4945454 Reflector for dimmed or dimmable motor vehicle headlights
07/24/1990US4943901 Luminaire with auxiliary reflecting means
07/24/1990US4943900 Lighting fixture
07/17/1990US4942505 Miniature flashlight
07/12/1990WO1990007440A1 Headlamp for motor vehicles
07/12/1990DE3843253A1 Dental illumination unit
06/1990
06/19/1990US4935855 Searchlight lamp tilting mechanism
06/05/1990US4931916 Apparatus for mechanically adjusting lighting fixture beam azimuth and elevation
05/1990
05/15/1990CA1269082A1 Flashlight
05/14/1990EP0346432A4 Variable beamwidth stage light.
05/01/1990US4922390 Head lamp for motor-bicycle with slant angle correction
04/1990
04/24/1990US4920468 Mechanism for mounting a light source and a lamp tilting section of a searchlight
04/24/1990US4920460 Self-illuminated grill for motor vehicles
04/10/1990US4916588 A flashlight with focus and switch control
04/10/1990US4916587 Tilting device of vehicle headlight
04/10/1990US4916583 Vehicular headlamp
04/04/1990EP0360959A1 Fiber optics of a light device for dental purposes
04/04/1990EP0270597B1 Surgical operating room lamp or similar lamp
04/03/1990US4914747 Vehicular headlamp
04/03/1990US4914557 Luminaire having a light absorbing collar
04/03/1990US4914556 Spectral filter module
03/1990
03/14/1990CN1007174B Lighting device with simultaneous adjustable parameters
02/1990
02/28/1990EP0355815A2 Headlamp unit for motor vehicles
02/20/1990US4903175 Illumination module
02/20/1990US4903173 For an automobile
02/15/1990DE3826988A1 Fahrzeugscheinwerfer Vehicle headlights
02/06/1990US4899265 Miniature flashlight
01/1990
01/31/1990EP0352756A2 Selectable aperture module
01/31/1990EP0352755A2 Spectral filter module
01/02/1990US4891738 Selectable aperture module
01/02/1990US4891541 Headlight system for motor cars
12/1989
12/27/1989EP0347867A2 Lighting system
12/20/1989EP0346432A1 Variable beamwidth stage light.
12/07/1989DE3917263A1 Motorcycle headlamp (headlight)
12/05/1989US4885669 Headlight device for vehicle
11/1989
11/23/1989DE3915302A1 Tilting device for a vehicle headlight
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