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5367444 |
Thermal management techniques for lighting instruments
An automated lighting instrument according to the present invention includes multiple motorized parameters and operates at a low noise level with improved thermal management devices such as a...
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5357407 |
Light attenuator for high/low beam vehicle headlight bulb
A light attenuator sleeve which removably attaches to a high/low beam halogen vehicle headlight bulb. The sleeve is designed to fit onto the high/low beam bulb assembly so that light emitted by the...
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5353210 |
Reflector lamp with low UV emission
Reflector lamps having vitreous, light transmissive reflectors and containing a source of visible and UV light radiation produce little or no UV radiation in the projected light beam by having a...
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5341275 |
Compact light source for fiber optics illumination
An apparatus is provided for illuminating a fiber optic cable. A light source projects an illuminating light beam through a cold mirror placed at approximately a 45° angle to the direction of the...
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5331530 |
Operating theatre lamp
An operating theatre lamp comprises a housing provided at the bottom with a light outlet opening (12) and in which a light source (13) is centrally arranged. The light source emits light all around...
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5329435 |
Apparatus for producing light distributions
An apparatus for generating a spectral distribution. This apparatus contains a light source and a single filter. The single filter is comprised of a color correcting filter material and a neutral...
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5323301 |
Dimmable studio lighting device
A studio lighting device for supplying light having a selected color temperature to a subject, comprising: an electrically powered light source connected to receive operating power which...
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5321595 |
Double bulb mercury vapor lamp apparatus
A two bulb mercury vapor lamp apparatus includes a housing with a bottom whose cross-section forms a curved "M" shape. A pair of reflectors are attached to the bottom of the housing with each...
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5313373 |
Apparatus for the uniform illumination of a surface
An apparatus for providing uniform illumination to a surface includes a chamber defined by a wall, the wall having an opaque wall portion and a partially transparent wall portion. A light source...
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5307244 |
Light-insulated lamp and illuminating systems
A light-insulated lamp, methods of preparing such lamp and illuminating systems using lamps therein are provided. The lamp is rendered light-insulated by providing leads with two portions, a first...
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5289350 |
Pivotable holding mechanism for an optical element
A lamp used in photography and television comprising a housing having a filter cavity into which an optical element provided with a handle can be introduced, the housing having first and second...
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5289352 |
Headlamp for motor vehicles
A headlamp for motor vehicles has a reflector, a gas discharge lamp, a front plate covering a light exit opening of the headlamp, and a filter arranged in a beam path of light beams reflected by...
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5285363 |
Heat transfer unit
A xenon arc lamp (10, 12) used as a high intensity light source for a liquid crystal light valve projector includes a cold mirror (16) that reflects visible reading light (18a, 18b) to the liquid...
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5285362 |
Discharge lamp having interference filter
A metal halide lamp device includes a discharge bulb and a light filter. The light filter is constructed such that transmittance of about 436 nm wavelength light-rays passing through the light...
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5274535 |
Dental operating light with color correction
A color-correcting optical delivery system for a dental or medical operatory light in which hue is eliminated. Chromatic aberrations are corrected by canceling the diffractions in the system due to...
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5258686 |
Automotive lamp device with electromagnetic shielding
An automotive lamp device includes a metal lamp housing having an opening for passing light therethrough, an electric-discharge lamp accommodated in the lamp housing to provide a required amount of...
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5255163 |
Headlight for motor vehicle
A headlight for a motor vehicle comprises a gas discharge lamp as a light source emitting visible light and light in UV-wavelength region, a reflector having a first region which reflects the light...
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5252887 |
Environmentally safe pink lamp
A cadmium and selenium free lamp which emits a pink color when energized and when unlit contains a chrome tin pink sphene pigment.
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5251116 |
Luminaire for creating a primary beam and a secondary beam
The luminaire for providing a primary (10) and a secondary light beam (14) comprises reflector means (9) and a lamp holder (7) within a housing (1) having a window (2) through which the primary...
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5251110 |
Multi-function headlamp for a motor vehicle, adapted to improve the illumination of road signs
A multi-function headlamp, in particular for a motor vehicle, is arranged to improve the illumination of road signs and other external objects. It includes an occulting means for defining a cut-off...
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5243501 |
Automotive headlamp
An automotive headlamp employing a discharge lamp as its light source in which the emission of harmful ultraviolet ray is eliminated in the output light beam. The headlamp includes a lamp body, a...
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5239452 |
Color changing lamp
A color changing lamp comprising a lamp, a housing, and a projection shifting device, said lamp fixed on the outside of the housing to reflect the colored light beam coming from the projection...
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5230557 |
3rd brake light burnout detection system
An inexpensive approach to identify automobile 3rd brake lamp failures by drilling 2 holes, 1 in the reflector, and 1 in the outer housing, then covering the inner portion of hole in the outer body...
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5221140 |
Miniature lamps
A sub-miniature lamp in which a lamp body having a filament and an envelope is covered with a soft silicone rubber cap of a predetermined color having an opening at one end to a predetermined...
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5219217 |
Illuminating system
An arrangement and method for providing an elongated light source, such as for illuminating a sign or the interior of a mass transit vehicle or other display, which includes emitting light from a...
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5219444 |
Motor vehicle headlight having reduced UV radiation emission
The motor vehicle headlight includes a gas discharge lamp, a reflector for collecting and directing the light from the light source through an outlet opening, a light window covering the outlet...
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5220235 |
Discharge lamp device
A discharge lamp device having an insulator base made of a synthetic resin integrally bonded to a globe holding member made of ceramic wherein a discharge lamp is attached. Also provided is a pair...
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5217285 |
Apparatus for synthesis of a solar spectrum
A xenon arc lamp and a tungsten filament lamp provide light beams that together contain all the wavelengths required to accurately simulate a solar spectrum. Suitable filter apparatus selectively...
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5211467 |
Fluorescent lighting system
A long life fluorescent lighting system provides uniform white light illumination with high efficiency. The system includes a gas-filled lamp with no phosphors on the inside surface of the lamp. A...
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5210657 |
Optical attenuator apparatus without steep level variation
A first optical attenuation filter is arranged in a predetermined optical path and attenuates light to be attenuated with a first variable attenuation amount. A second optical attenuation filter is...
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5193900 |
Illumination device
Provided is an illumination device in which natural light having a correlated color temperature equivalent to that of artificial light can be obtained so that there is no feeling of physical...
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5191264 |
Lighting system
A lighting system for discotheques includes a motor driven lamp unit which produces a variable direction light beam. A control device is provided remote from the lamp for controlling its operation,...
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5188452 |
Color mixing lighting assembly
Light assembly for providing a focused image of varying color hue and saturation intensity which includes means for providing a point light source, a filter set in which the filters are...
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5186536 |
Lighting instrument with movable filters and associated actuation mechanism
A lighting instrument having pivotable color filters arranged in a substantially radial arrangement with respect to a projected light beam. Multiple sets of such filters are spaced along the axis...
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5180224 |
Tail light cover
An interim tail light cover has a colored translucent body of red or amber, and snaps onto a taillight when the original lens or colored cover of the tail light has been broken or removed so that...
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5180218 |
Automotive projection type headlamp having no ultraviolet rays output
A projection-type automotive headlamp which includes a lamp body, an outer cover defining a lamp chamber with the lamp body, a projection unit consisting of a substantially elliptic reflector on...
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5177396 |
Mirror with dichroic coating lamp housing
A light mirror and a lamp including a light mirror are disclosed. The light mirror includes a light pervious substrate having a reflecting surface, a metal coating disposed in the reflecting...
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5172972 |
Motor vehicle headlamp
A motor vehicle headlamp having an improved mounting structure of an extension reflector provided between the front lens and the reflector of the headlamp. An extension reflector, formed separate...
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5169229 |
Enhanced metal filter/mirror coatings for use on engineering plastics
A device which controls the reflected spectrum of a light source comprised of: a support article made of a plastic which is stable to the temperatures required of such a device; an optical coating...
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5169224 |
Discharge head lamp assembly
In a discharge head lamp assembly for a vehicle, a lamp housing has a front face which is formed therein with an opening. A discharge lamp is arranged within the lamp housing. An inner lens is also...
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5169228 |
Cold light mirror lamp
A cold light mirror lamp which comprises of a mirror reflector (1), a low-voltage lamp (2) arranged in mirror reflector, and a cover glass (3) closing the light passage opening (9) of the mirror...
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5163750 |
Light apparatus
A light apparatus disclosed is high in utilization factor of light, simple in structure and suitable for mass production. The light apparatus includes a hollow single-part reflecting plate (11)...
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5158351 |
Method for the protection of aircrafts against flying objects comprising UV-homing heads
The present application describes a method for the protection of aircrafts against flying objects comprising UV-homing heads, this method being characterized in that the aircrafts are, at least...
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5147130 |
Cooling liquid recirculation system for light source unit
In a cooling liquid recirculation system, walls of transparent jacket tubes for cooling a mercury-vapor lamp, which jacket tubes are provided separately from the mercury-vapor in accordance with...
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5144524 |
Light trap for blocking reflection and scattering of light
A surface analysis scanner system includes calibration targets, which include a target substrate and a film covering the surface of the target substrate which is scanned by the surface scanner. The...
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5144540 |
Decorative outdoor light fixture
A decorative outdoor light fixture has an upwardly facing light source mounted in a pipe coupling substantially at or somewhat above ground level. The light source extends into a vertically...
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5143445 |
Glass reflectors LPCVD coated with optical interference film
An all glass reflector having a front reflecting surface and terminating in the rear in a cavity into which a lamp is cemented transmits substantially less light out of the rear when at least the...
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5144545 |
Safety light for swimming pool
A safety light for a swimming pool that can be installed without draining the pool. The safety light has a lamp and casing assembly supported by an elongated bracket. The bracket is attached...
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5143444 |
Computer controlled light with continuously variable color temperature, color, magnification, focus, and position
A lighting system is described having an electronic means for controlling the color, color temperature, magnification and focus in response to predetermined signals from a computerized system. A...
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5143446 |
Lighting fixture with an improved light transmitting film
An improved lighting fixture includes a light reflecting and/or light transmitting member for reflecting or transmitting visible light. A light transmitting film is disposed adjacent the light...
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