Resources Contact Us Home
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

1 2 3

  Recently Added Patents
System and method for calibrating display device using transfer functions
Haloalky -substituted amides as insecticides and acaricides
Method of patterning color conversion layer and method of manufacturing organic EL display using the patterning method
Print control server, print controlling method, and print control program
Ultrathin fluid-absorbent cores
Signal judgment method, signal judgment apparatus, program, and signal judgment system
Multiplexing channels by a medium access controller
  Randomly Featured Patents
Fishing line guide
Pipette tip
Device for relative fixing of elements telescopically displaced in each other
Coffee maker
Process for the production of sodium polysulfides from the elements sodium and sulfur
Vehicle motion control device
Hydrodynamic bearing runner for use in tilting pad thrust bearing assemblies for electric submersible pumps
Multiple wavelengths semiconductor laser device
Low-profile optical mounting assembly
TFT substrate and TFT substrate manufacturing method