| Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
|---|
| 03/07/1990 | CN1007101B Method for producing semitransparent polycrystalline arc-tube of aluminium oxide |
| 03/06/1990 | US4906895 High-pressure discharge lamp with stabilized arc |
| 03/06/1990 | US4906891 Low-pressure discharge lamp and electrical base structure |
| 03/06/1990 | US4906890 Hollow anode optical radiation source |
| 03/06/1990 | US4906888 Arrangement for supporting two discharge tubes in one envelope |
| 03/06/1990 | US4906887 High pressure metal vapor lamp with outer protective envelope and getters therein |
| 03/01/1990 | DE3919490A1 High pressure discharge valve without evacuation tube - uses tube-shaped electrode which projects through end-plug as cold storage chamber for metal additives |
| 02/28/1990 | CN2053797U Energy-saving fluorescent lamp for general power |
| 02/27/1990 | US4904900 Glow discharge lamp |
| 02/21/1990 | CN2053381U Compact-type energy-saving adjustable fluorescent lamp |
| 02/20/1990 | US4902937 Capacitive starting electrodes for hid lamps |
| 02/20/1990 | US4902933 High efficacy discharge lamp having large anodes |
| 02/20/1990 | US4902932 Socket-adapter stabilizing device for miniature fluorescent lamps |
| 02/20/1990 | CA1266120A1 Near-infrared ray radiation illuminator and a near- infrared ray image pick-up device |
| 02/07/1990 | CN1006748B Semiconductor ceramic material cathode discharg lamp arrangement |
| 02/06/1990 | US4899090 Rare gas discharge lamp device |
| 01/31/1990 | CN1039325A Mine high-voltage sodium lamp wiht dual arc tubes |
| 01/31/1990 | CN1039323A High-efficient energy-saving coating technology for powder layer of fluorescent lamp |
| 01/30/1990 | US4897576 Metal vapor discharge lamp having starter therein |
| 01/30/1990 | US4897574 Hot cathode in wire form |
| 01/30/1990 | US4897572 Light tube with slidable electrodes |
| 01/30/1990 | CA1264930A1 Fluorescent lamp using multi-layer phosphor coating |
| 01/24/1990 | CN2051810U Inner triggering gas discharge lamp |
| 01/24/1990 | CN2051786U Closed type compact fluorescent lamp ballast device without angularity at its sides |
| 01/24/1990 | CN2051785U Encapsulating terminal of artificial sapphire gas-discharge device |
| 01/24/1990 | CN1039149A Electric lamp |
| 01/24/1990 | CN1039145A Prepartion process of amalgam for fluorescent lamp |
| 01/23/1990 | US4896072 Flashbulb with a heat shield |
| 01/17/1990 | EP0351000A1 High-pressure discharge lamp |
| 01/17/1990 | CN2051397U Fluorescent lamp tube |
| 01/17/1990 | CN2051396U Rectifier-free and filament-free fluorescent lamp |
| 01/17/1990 | CN1038901A High-pressure sodium vapour discharge lamp |
| 01/16/1990 | US4894592 Electrodeless lamp energized by microwave energy |
| 01/16/1990 | US4894590 Spiral single starting electrode for HID lamps |
| 01/16/1990 | US4894589 Starting means, with piezoelectrically-located capacitive starting electrodes, for HID lamps |
| 01/16/1990 | US4894585 Combination lamp |
| 01/16/1990 | US4894584 With zirconium, yttrium, and oxygen |
| 01/11/1990 | WO1990000341A1 Self contained gas discharge display device |
| 01/10/1990 | CN2051014U Ever luminous energy saving bulb |
| 01/10/1990 | CN2051013U Compact type fully electronic fluorescent lamp |
| 01/09/1990 | US4893057 High intensity discharge lamp and electodes for such a lamp |
| 01/09/1990 | US4892498 Process for vacuum-tight sealing of a ceramic tube |
| 01/09/1990 | CA1264223A1 Method for coating phosphor particles, phosphor particle, fluorescent lamp, and manufacturing method |
| 01/03/1990 | EP0349083A1 Electric lamp |
| 01/03/1990 | EP0349045A1 High pressure sodium discharge tube support structure |
| 01/03/1990 | EP0348979A2 Fluorescent lamp apparatus |
| 01/03/1990 | EP0348943A1 Fluorescent lamp |
| 01/03/1990 | EP0348915A2 Pulsed light source |
| 01/03/1990 | CN1006344B Cold cathode type discharge lamp device |
| 01/03/1990 | CN1006343B Thermionic cathode type discharge lamp device |
| 01/02/1990 | US4891555 Metal vapor discharge lamps |
| 01/02/1990 | US4891554 Arc discharge lamp having improved performance |
| 01/02/1990 | US4891553 Lead metallizing process to avoid seal oxidation |
| 01/02/1990 | US4891551 Fluorescent lamp with grounded and fused electrode guard |
| 01/02/1990 | US4891550 Phosphor blend for broad spectrum fluorescent lamp |
| 01/02/1990 | US4891541 Headlight system for motor cars |
| 12/28/1989 | WO1989012781A1 Lamp for electrical lighting |
| 12/27/1989 | EP0347529A2 Method of operating a high pressure sodium vapour discharge lamp |
| 12/27/1989 | CA1264063A1 Dual cathode beam mode fluorescent lamp with capacitive ballast |
| 12/26/1989 | US4890042 High efficacy electrodeless high intensity discharge lamp exhibiting easy starting |
| 12/26/1989 | US4890033 Light-emitting composition and fluorescent lamp |
| 12/26/1989 | US4890030 Metal halide discharge lamp with arc tube temperature equalizing means |
| 12/26/1989 | US4889605 Plasma pinch system |
| 12/21/1989 | DE3918839A1 Entladungslampe hoher intensitaet High intensity discharge lamp |
| 12/20/1989 | EP0346782A1 Discharge lamp having a normalised base |
| 12/20/1989 | CN2049822U Compact type dc fluorescent lamp |
| 12/20/1989 | CN1038189A High-pressure metal halide discharge lamp |
| 12/19/1989 | US4888517 Double-enveloped lamp having a shield surrounding a light-source capsule within a thick-walled outer envelope |
| 12/14/1989 | DE3819878A1 Gas-discharge lamp |
| 12/13/1989 | EP0345873A1 High-pressure sodium vapour discharge lamp |
| 12/13/1989 | CN2049407U Super-long service life fluorescent lamp |
| 12/13/1989 | CN1006113B High-pressure sodium lamp |
| 12/12/1989 | US4887008 Electrodeless lamp bulb of modified shape for providing uniform emission of radiation |
| 12/12/1989 | US4887002 Gas discharge lamp and apparatus utilizing the same |
| 12/06/1989 | EP0344732A1 Metal halide discharge lamp |
| 12/06/1989 | EP0344433A2 High-pressure sodium discharge lamp |
| 12/06/1989 | CN2048930U Burst separating energy saving fluorescent lamp |
| 12/05/1989 | US4885504 Hollow cathode assembly and lamp |
| 12/05/1989 | CA1263688A1 Fluorescent lamp substantially approximating the ultra-violet spectrum of natural sunlight |
| 11/30/1989 | WO1989011727A1 Fluorescent reflector lamp assembly |
| 11/30/1989 | DE3915044A1 Microwave-fed light source |
| 11/29/1989 | EP0343890A2 Metal vapor discharge lamp |
| 11/29/1989 | EP0343625A2 Single end-sealed metal halide lamp |
| 11/28/1989 | US4884009 Color selectable source for pulsed arc discharge lamps |
| 11/28/1989 | US4884007 Low pressure arc discharge tube having increased voltage |
| 11/23/1989 | EP0342762A1 High-pressure metal halide discharge lamp |
| 11/23/1989 | EP0342721A1 Electric discharge lamp with reduced internal photoelectron production |
| 11/23/1989 | EP0342607A2 Color image input unit having a rare gas cathode discharge tube |
| 11/21/1989 | US4882520 Rare gas arc lamp having hot cathode |
| 11/21/1989 | CA1263138A1 High-pressure mercury vapour discharge lamp |
| 11/16/1989 | WO1989011160A1 Low-pressure gas discharge lamp |
| 11/16/1989 | WO1989011159A1 Display device |
| 11/15/1989 | EP0341750A2 Arc tube and high pressure discharge lamp including same |
| 11/15/1989 | EP0341749A2 Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method |
| 11/15/1989 | CN2047842U Glow discharge lamp |
| 11/15/1989 | CN2047841U Plane y-shape energy-saving fluorescent lamp |
| 11/15/1989 | CN2047840U Triangular light |
| 11/15/1989 | CN1037235A High-pressure mercury vapour discharge lamp |
| 11/14/1989 | US4881009 Comprised of aluminum oxide, tungsten, and molybdenum |
| 11/14/1989 | US4881007 Compact gas discharge tube and a method for its manufacture |