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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/293
Name: Illumination > Light source (or support therefor) and modifier > Including selected wavelength modifier (e.g., filter)
Description: Subject matter wherein the modifier has different effects on radiation of different wavelengths, as for example, absorbing some and transmitting others or transmitting some and reflecting others.










Patents under this class:
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Patent Number Title Of Patent Date Issued
5055697 Infrared radiator Oct. 8, 1991
5050055 Heat dissipating high intensity lamp housing Sep. 17, 1991
5050053 Flashlight of selectable colors Sep. 17, 1991
5045983 Computer controlled light with continuously variable color temperature, color, magnification, focus, and position Sep. 3, 1991
5043850 Direction dependent line light source Aug. 27, 1991
5036440 Illumination type keytop Jul. 30, 1991
5036437 Vehicle lamp control sensor Jul. 30, 1991
5031078 Additive color mixing system with variable hue and saturation light sources Jul. 9, 1991
5031080 Portable cockpit light assembly Jul. 9, 1991
5029047 Lighted fiber optic mobile Jul. 2, 1991
5029046 Illuminated indicator gauge Jul. 2, 1991
5029050 Dippable headlamps Jul. 2, 1991
5023763 Illuminated display panel Jun. 11, 1991
5021928 Flat panel illumination system Jun. 4, 1991
5018054 Exposure device with filter May. 21, 1991
5016143 Illuminating system May. 14, 1991
5016152 Focused light source and method May. 14, 1991
5014171 Color changeable flashlight May. 7, 1991
5008789 Fluorescent lamp having ultraviolet reflecting layer Apr. 16, 1991
5006965 Dimmer for fiber optic light transmission systems Apr. 9, 1991
5003434 Miniature hand-held spot source of illumination Mar. 26, 1991
5001616 Optical system for lighting fixture Mar. 19, 1991
4996632 Multi-color illuminating system Feb. 26, 1991
4994945 Lamp system for operating theatres and the like Feb. 19, 1991
4985816 Vehicle headlamp Jan. 15, 1991
4984143 Color filter changer Jan. 8, 1991
4974136 Light fixture Nov. 27, 1990
4974133 Lighting apparatus Nov. 27, 1990
4970628 Headlamp for automotive vehicles Nov. 13, 1990
4967329 Lens mounting and seal for illuminated apparatus Oct. 30, 1990
4966453 Four-channel anomaloscope Oct. 30, 1990
4958265 Symmetrical color changer system Sep. 18, 1990
4953062 Strobe flash lamp with focussed front beam and collimated lateral beams Aug. 28, 1990
4953066 Light assembly for liquid environment Aug. 28, 1990
4951178 Headlight for motor vehicle Aug. 21, 1990
4947291 Lighting device Aug. 7, 1990
4937714 Lighting system with halogen bulb Jun. 26, 1990
4924356 Illumination system for a display device May. 8, 1990
4914556 Spectral filter module Apr. 3, 1990
4912614 Light valve projection system with non imaging optics for illumination Mar. 27, 1990
4897772 Dental astral lamp Jan. 30, 1990
4897770 Symmetrical color changer system Jan. 30, 1990
4894760 Additive color-mixing light fixture employing a single moveable multi-filter array Jan. 16, 1990
4893225 Color changer Jan. 9, 1990
4893226 Adjustable lens shield assembly for vehicular lights Jan. 9, 1990
4890208 Stage lighting apparatus Dec. 26, 1989
4882617 Projection device and associated electro-optic monochrome display device with phosphor layer and interference filters Nov. 21, 1989
4868725 Motor vehicle combination lamp Sep. 19, 1989
4864475 Rainbow light box Sep. 5, 1989
4847736 Illuminated wall vase having removable faces Jul. 11, 1989

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