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Browse by Category: Main > Electrical & Energy
Class Information
Number: 313/111
Name: Electric lamp and discharge devices > With optical device or special ray transmissive envelope > Plural diverse optical devices
Description: Devices which have structurally combined therewith a plurality of optical devices of diverse types (e.g., a reflector and a lens or a filter and a polarizer).










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4642514 Automobile headlight with combined heat and light shield Feb. 10, 1987
4612473 Incandescent lamp with dichroic trihedral corner reflectors Sep. 16, 1986
4611143 Composite light source Sep. 9, 1986
4604680 Infrared floodlight Aug. 5, 1986
4590128 Thin film EL element May. 20, 1986
4517491 Incandescent lamp source utilizing an integral cylindrical transparent heat mirror May. 14, 1985
4434385 Discharge lamp device Feb. 28, 1984
4404618 Flash device Sep. 13, 1983
4401914 Low-pressure sodium vapor discharge lamp Aug. 30, 1983
4346323 Infrared radiation lamp Aug. 24, 1982
4342908 Light distribution system for optical encoders Aug. 3, 1982
4315186 Reflective lamp Feb. 9, 1982
RE30832 Ellipsoidal reflector lamp Dec. 22, 1981
4275327 Incandescent electric lamp withheat recovery means Jun. 23, 1981
4210841 All plastic headlamp Jul. 1, 1980
4174491 Mount for a light emitting device Nov. 13, 1979
4168102 Light-emitting display device including a light diffusing bonding layer Sep. 18, 1979
4143468 Inert atmosphere chamber Mar. 13, 1979
4112335 Rapid pulse ultraviolet light apparatus Sep. 5, 1978
4110661 Light emitting device for optical communications Aug. 29, 1978
4100455 Vacuum fluorescent display device with circular polarizer Jul. 11, 1978
4084215 Strobe light having reduced electromagnetic radiation Apr. 11, 1978
4080545 Sodium vapor lamp with emission aperture Mar. 21, 1978
4074164 Sun lamp Feb. 14, 1978
4058750 Light emitting semiconductor indicating structure with light conductors Nov. 15, 1977
4054812 Integrally focused low ozone illuminator Oct. 18, 1977
4001628 Low-pressure fluorescent discharge device which utilizes both inorganic and organic phosphors Jan. 4, 1977
3974413 Incandescent lamp with modified helium fill gas Aug. 10, 1976

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