Patents
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
04/1988
04/20/1988EP0264054A2 Hollow anode optical radiation source
04/20/1988CN86107038A Fluorescent bulb without accessaries
04/19/1988US4739221 A gas discharge lamp with a sintered cathode member fused to a lead and the method of manufacture
04/19/1988US4739220 Method of making a single-based metal halide high-pressure discharge lamp, and lamp made according to the method
04/19/1988US4739219 Electric lamp with pinch sealed outer conductor of non-highly refractory material
04/19/1988CA1235454A1 Circuit breaker with thin-walled bulb
04/19/1988CA1235453A1 Rapid start fluorescent lamp with a bimetal electrode disconnect switch
04/13/1988EP0263662A2 Yttrium oxide ceramic body
04/13/1988EP0263483A1 Hot cathode in wire form
04/13/1988EP0263379A1 Flash lamp
04/12/1988US4737677 Linear sodium lamp arc tube centering means
04/06/1988EP0262979A2 Discharge tube assembly for high-pressure discharge lamp
04/06/1988EP0262815A1 Hydrogen getter and method of manufacture
04/06/1988EP0262736A2 Discharge vessel wire support
04/06/1988CN87106683A Discharge vessel wire support
04/05/1988US4736136 Discharge lamps with coated ceramic arc tubes and fabrication thereof
04/05/1988US4736134 Discharge lamp having multiple constrictions
03/1988
03/29/1988US4734836 Lighting apparatus
03/29/1988US4734616 Fluoresent lamp with double cathode and probe
03/29/1988US4734612 High pressure metal vapor discharge lamp
03/22/1988US4733338 Illuminator, particularly for street lighting and industrial applications
03/22/1988US4733130 Insulating tube surrouding anode tube in analytical glow discharge tube
03/22/1988US4733126 Blue color emission; low decrease in intensity
03/22/1988US4733123 Diffuser for an arc discharge lamp
03/22/1988US4732842 Exposure method of semiconductor wafer by rare gas-mercury discharge lamp
03/17/1988DE3630341A1 High-pressure discharge lamp and a method for operation
03/16/1988CN87200192U Multi-cathode long life fluorescent lamp
03/16/1988CN85101257B 放电灯 Discharge lamps
03/15/1988US4731561 Ceramic envelope device for high-pressure discharge lamp
03/10/1988DE3630338A1 High-pressure discharge lamp and a method for operation
03/09/1988EP0258829A2 High-pressure discharge lamp and method for driving it
03/09/1988EP0258545A1 Europium activated strontium tetraborate UV phosphor and process for producing same
03/09/1988EP0258331A1 Glow discharge lamp and use thereof.
03/09/1988CN87105080A Method for raising rate of finished products of semitransparent polycrystalline arc-tube of aluminium oxide
03/02/1988EP0257830A1 High pressure sodium lamp
03/02/1988EP0257554A2 Phosphor particle, phosphor blend, and fluorescent lamp
03/01/1988US4728857 Thorium, mercury, cesium halides
03/01/1988US4728847 Noncracking
03/01/1988CA1233502A1 Getter device for multivapor discharge lamps
02/1988
02/24/1988CN85102234B Discharge lamp with hollow uranium cathode
02/23/1988US4727459 Gas discharge illumination device
02/23/1988US4727283 Luminescent aluminate; cerium activated garnet
02/23/1988US4726866 Process and device for connecting together by heated-tool butt-welding a vessel body obtained by extrusion and a vessel lid
02/23/1988CA1233197A1 High pressure discharge lamp with thermal switch
02/17/1988CN87105496A High-pressure sodium lamp
02/16/1988US4725298 Method for making low pressure mercury vapor discharge lamp
02/11/1988DE3625482A1 Discharge lamp
02/09/1988US4724361 High pressure discharge lamp
02/09/1988US4724358 High-pressure metal vapor arc lamp lit by direct current power supply
02/09/1988US4724352 Short-arc lamp with alternating current drive
02/03/1988CN87209826U Inserting type double-crankle fluorescent lamp
02/03/1988CN85102649A Ceramic sealing device for lamp with high-voltage discharge
02/02/1988US4723097 Rapid restrike metal halide lamp and a method of operating such
02/02/1988US4723092 Method of making a single-ended metal halide high-pressure discharge lamp, and single-ended lamp made according to the method
02/02/1988CA1232318A1 High intensity discharge lamp igniting device
02/02/1988CA1232317A1 Electric discharge lamp with thermal switch
01/1988
01/28/1988WO1988000758A1 A high-frequency fluorescent lamp
01/27/1988EP0254147A2 Hot cathode type discharge lamp apparatus
01/27/1988EP0254111A1 Ultraviolett radiation device
01/27/1988EP0253916A1 Fluorescent lamp having a bulb-shaped attachment
01/27/1988CN87104930A Cold cathode type discharge lamp device
01/27/1988CN87104929A Thermionic cathode type discharge lamp device
01/26/1988US4722039 Shaded beam vehicular discharge-type head lamp
01/26/1988US4721888 Arc discharge lamp with ultraviolet enhanced starting circuit
01/26/1988US4721887 Quartz tube with mercury; narrowed space supports electrodes; pressure resistant
01/26/1988US4721886 High-pressure discharge lamp with precision end seal structure
01/26/1988US4721877 Bubbles within metal oxide coating
01/26/1988US4721876 Light-source capsule containment device and lamp employing such device
01/26/1988US4721875 Radiation-emitting devices
01/20/1988EP0253316A2 Cold cathode type discharge lamp apparatus
01/19/1988US4720660 Projector lamp
01/19/1988US4720656 Discharge lamp having envelope support spacer
01/13/1988CN87203291U Long life fluorescent tube with no filament
01/13/1988CN87201201U 3u-shape plane efficient energy-saving fluorescent lamp
01/13/1988CN87102529A Twilight lamp
01/12/1988US4719386 Photoconverter and lamp utilizing multi-quantum emission
01/12/1988US4719033 Process for producing europium activated stronium tetraborate UV phosphor
01/07/1988EP0251550A1 Improvements in or relating to inorganic phosphors
01/07/1988EP0251436A2 High pressure sodium discharge lamps with hydrogen getter
01/07/1988EP0250920A2 High-pressure metal halide discharge lamp
01/05/1988US4717857 Fluorescent lamp producing white color illumination with multiple phosphor combination
01/05/1988US4717852 Low-power, high-pressure discharge lamp
12/1987
12/31/1987CN87201165U Electrically-controlled, double-u shaped, compact and energy-saving fluorescent lamp with high efficiency
12/29/1987US4716337 Fluorescent lamp
12/29/1987US4716336 Zirconium- or terbium activated silicate
12/29/1987US4716335 Terbium-activated yttrium silicate containing nitrogen
12/29/1987US4715687 Color variation in a passively illuminated display using fluorescent light sources
12/23/1987EP0249743A2 Discharge lamps with coated ceramic arc tubes and fabrication thereof
12/23/1987CN87103377A Discharge lamp arrangement
12/22/1987US4714862 Circuit arrangement for igniting and operating gas discharge lamps
12/16/1987EP0249196A2 Discharge lamp device
12/15/1987US4713580 Sealing structure for metal vapor arc discharge lamps
12/10/1987DE3619068A1 Compact metal-halide discharge lamp
12/08/1987US4712040 Connector for high pressure lamps
12/03/1987DE3617935A1 Discharge lamp
12/03/1987DE3617918A1 Discharge lamp
12/03/1987DE3617662A1 Discharge lamp
12/01/1987US4710679 Fluorescent light source excited by excimer emission
12/01/1987US4710674 Aluminum oxide coated particles
11/1987
11/25/1987EP0246248A1 Hollow cathode assembly and lamp