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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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
4586116 Vehicle headlamp with yellow and main light transmission Apr. 29, 1986
4575228 Illumination apparatus for copying machines Mar. 11, 1986
4573110 Control device Feb. 25, 1986
4573111 Linear light passing media having certain striped characteristics Feb. 25, 1986
4571665 Apparatus for treating dental materials Feb. 18, 1986
4558401 Vehicle lamp assembly Dec. 10, 1985
4558402 Vehicle lamp assembly Dec. 10, 1985
4556928 Vehicle lamp assembly Dec. 3, 1985
4546420 Air cooled light fixture with baffled flow through a filter array Oct. 8, 1985
4538213 Vehicle headlight attachment Aug. 27, 1985
4536833 Lighting fixture utilizing a multi-layered hologram as a lens element Aug. 20, 1985
4535396 Sunlight readable illuminated indicia display devices Aug. 13, 1985
4535394 Variable color floodlight Aug. 13, 1985
4530039 Multi-section multi-purpose hand light Jul. 16, 1985
4530041 Signal lamp with a movable slit plate Jul. 16, 1985
4525772 Vehicle lamp assembly Jun. 25, 1985
4524410 Incandescent lamp with film of alternately stacked layers Jun. 18, 1985
4523257 Artificial light source device Jun. 11, 1985
4519021 Operating theatre table light May. 21, 1985
4517628 Portable lighting device May. 14, 1985
4516195 Multi-function dental operating light source May. 7, 1985
4511953 Theatrical light box Apr. 16, 1985
4502761 Gradient-free illumination of passive readout display devices Mar. 5, 1985
4497013 Illuminating apparatus Jan. 29, 1985
4495549 Infrared radiation filter lens for aircraft lights Jan. 22, 1985
4488207 Static multi-color light signal Dec. 11, 1984
4482942 Projection unit including glass reflector with insulative cap member Nov. 13, 1984
4479173 Lighted instrument assembly Oct. 23, 1984
4473866 Vehicle light system Sep. 25, 1984
4463410 Lighting device with dual reflecting members Jul. 31, 1984
4460939 Device for producing a line of illumination Jul. 17, 1984
4460940 Apparatus for uniform illumination employing light diffuser Jul. 17, 1984
4459644 Lights for automobile vehicles Jul. 10, 1984
4459014 Subtractive filter for the printing of color photographic film Jul. 10, 1984
4458303 Light beam concentrating, intensifying and filtering device Jul. 3, 1984
4454568 Light pattern generator Jun. 12, 1984
4454570 Multiple colored searchlight signal unit Jun. 12, 1984
4443831 Light means and method of lighting Apr. 17, 1984
4439817 Stick-on fog light lens for headlight Mar. 27, 1984
4434455 Differential light emission translucent light bowl and cap Feb. 28, 1984
4434454 Active lighting system including light control keyboard Feb. 28, 1984
4433362 Remotely controllable illumination apparatus Feb. 21, 1984
4430695 Visual landing aids for aircraft Feb. 7, 1984
4428035 Electronic flashlight for ophthalmological examination instruments Jan. 24, 1984
4425599 Cavity illuminating device Jan. 10, 1984
4425600 Electroluminescent wrist lamp for night vision environment Jan. 10, 1984
4423469 Solar simulator and method Dec. 27, 1983
4423472 Portable barge lights Dec. 27, 1983
4418377 Apparatus to prevent reflection of vehicle instrument panel illumination light Nov. 29, 1983
4409646 Multiple-effect light source, especially usable as a projector for photography, motion pictures and television or as a lighting apparatus Oct. 11, 1983

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