Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
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06/19/1984 | CA1169468A1 Electrode for discharge lamp with yttrium and lanthanum oxide electron emission material |
06/19/1984 | CA1169466A1 Luminescent screen and low-pressure mercury vapour discharge lamp comprising such a screen |
06/13/1984 | EP0110645A2 Improvements in photoprinting lamps |
06/13/1984 | EP0110249A2 High pressure sodium lamp having improved coloring rendition |
06/13/1984 | EP0110248A2 High pressure sodium lamp having improved efficacy |
06/13/1984 | EP0110054A1 High pressure discharge lamp with a socket and fitting holder |
06/12/1984 | US4454451 Circular fluorescent lamp unit |
06/12/1984 | US4454450 Vertical running, high brightness, low wattage metal halide lamp |
06/12/1984 | US4454448 Inter-channel isolation scheme for compact, folded discharge lamps |
06/12/1984 | US4454447 Zirconium dioxide, zro2 |
06/05/1984 | US4453106 Compression base lamp |
06/05/1984 | CA1168693A1 Low wattage metal halide arc discharge lamp |
05/30/1984 | EP0109757A2 Improvements in end closure members for discharge lamps |
05/29/1984 | US4451757 Fluorescent lamp having improved maintenance |
05/29/1984 | US4451418 Method for forming a green body of ceramic arc tubes used for a metal vapor discharge lamp and a molding die for forming said tube |
05/29/1984 | CA1168292A1 Plastic based glass halogen lamp |
05/29/1984 | CA1168291A1 Sealing compositions for discharge lamp arc tubes |
05/22/1984 | US4450383 Electric arrangement for starting and supplying a low-pressure discharge lamp |
05/22/1984 | US4449948 Method of introducing sodium amalgam into lamps and lamp containing sodium amalgam particles |
05/22/1984 | CA1167974A1 Method and apparatus for starting high intensity discharge lamps |
05/22/1984 | CA1167973A1 Low energy starting aid for high intensity discharge lamps |
05/22/1984 | CA1167900A1 Method for effectively contacting manganese-activated zinc silicate phosphor with antimony oxide during phosphor coating, and resulting lamp |
05/16/1984 | EP0108443A1 Low pressure mercury vapour discharge lamp |
05/16/1984 | EP0108122A1 Flash lamp and circuitry for use with an incandescent light |
05/16/1984 | EP0108092A1 Method for operating three-phase lamps |
05/15/1984 | US4449072 Compact fluorescent lamp |
05/15/1984 | US4449071 Fluorescent lamp device |
05/08/1984 | US4447759 Starter for igniting an electric discharge tube |
05/08/1984 | US4447756 Fluorescent lamp with layer of plural phosphors having different particle sizes |
05/01/1984 | US4446397 High intensity discharge lamp with infrared reflecting means for improving efficacy |
05/01/1984 | US4446048 Luminescent materials |
04/24/1984 | US4445073 Intimate contact starting aid for arc lamps |
04/24/1984 | US4445069 Low-pressure discharge lamp |
04/24/1984 | US4445068 Low-pressure mercury vapor discharge lamp with internal glass fibers |
04/24/1984 | US4445067 High pressure metal vapor discharge lamp with radioactive material impregnated in ceramic |
04/17/1984 | US4443738 Fluorescent lamp having support wires made with austenitic steel |
04/17/1984 | US4443734 High intensity discharge lamp with arc spreading means |
04/17/1984 | US4443390 Melting, dropping |
04/17/1984 | CA1165801A1 Metal halide incandescent lamp |
04/17/1984 | CA1165799A1 Fluorescent lamp having improved barrier layer |
04/17/1984 | CA1165797A1 Compact lamp unit having plug-in fluorescent lamp and module components |
04/11/1984 | EP0105230A2 Triggering and cooling apparatus for laser flashlamps |
04/10/1984 | US4442379 High pressure sodium vapor lamp having resistance heater means |
04/10/1984 | US4442378 High pressure sodium vapor lamp having resistance heater means |
04/10/1984 | CA1165378A1 Vacuum-tight assembly |
04/10/1984 | CA1165377A1 Vacuum-tight assembly |
04/10/1984 | CA1165376A1 Metal vapor lamp having internal coating for extending condensate film |
04/10/1984 | CA1165375A1 Metal vapor lamp having internal means promoting condensate film formation |
04/10/1984 | CA1165374A1 Universal burning ceramic lamp |
04/10/1984 | CA1165373A1 Refractory helical overwound electrode for high pressure metal vapor lamp |
04/04/1984 | EP0104594A2 Double-enveloped lamp |
04/03/1984 | US4441050 Single-ended low pressure discharge lamp and method of manufacture |
04/03/1984 | US4441049 Cerium activated |
04/03/1984 | US4441048 Cathode for a gas discharge tube |
04/03/1984 | US4441045 Low-pressure sodium vapor discharge lamp |
04/03/1984 | CA1164925A1 Low-pressure mercury vapour discharge lamp |
04/03/1984 | CA1164924A1 Luminescent materials |
04/03/1984 | CA1164922A1 High intensity discharge lamp with integral means for arc extinguishing |
03/27/1984 | US4439711 Metal vapor discharge lamp |
03/20/1984 | US4438373 Low pressure metal vapor discharge lamp |
03/20/1984 | CA1164038A1 Ceramic arc tube of metal vapour discharge lamps and a method of producing the same |
03/20/1984 | CA1164037A1 High pressure arc discharge lamp having concave shaped outer jacket |
03/14/1984 | EP0102671A2 High intensity vapour discharge lamp |
03/13/1984 | US4437039 Starting arrangement for high-intensity-discharge sodium lamp |
03/13/1984 | US4437038 Hollow cathode lamp with improved stability alloy for the cathode |
03/07/1984 | EP0030545B1 Cool white lamp using a two-component phosphor |
03/06/1984 | US4435670 Energy conserving instant-start series-sequence fluorescent lamp system with overcurrent protection |
03/06/1984 | US4435669 Arc tube construction |
03/06/1984 | CA1163310A1 Thermal interruption switch for a gaseous discharge lamp auxiliary means |
03/06/1984 | CA1163306A1 High-pressure sodium vapour discharge lamp |
03/01/1984 | WO1984000855A1 Low voltage operation of arc discharge devices |
02/29/1984 | EP0101519A1 Metal vapor discharge lamp |
02/28/1984 | US4434385 Discharge lamp device |
02/28/1984 | US4433994 Method of manufacturing curved discharge tubes |
02/28/1984 | CA1162971A1 Metal halide lamp containing thi.sub.4 with added elemental cadmium or zinc |
02/28/1984 | CA1162970A1 Envelope seal structure for metal vapor arc lamp |
02/28/1984 | CA1162969A1 Lighting source for line by line analysis of documents |
02/22/1984 | EP0101013A2 Onesided base compact fluorescent lamp |
02/21/1984 | US4433272 High-pressure discharge lamp |
02/21/1984 | US4433271 High pressure discharge lamp |
02/21/1984 | US4433265 Cooled discharge lamp having a fluid cooled diaphragm structure |
02/21/1984 | CA1162594A1 Method and apparatus for starting high intensity discharge lamps |
02/21/1984 | CA1162593A1 Discharge lamp apparatus |
02/14/1984 | US4432043 Combined fluorescent lamp and spotlight |
02/14/1984 | US4431945 High pressure metal vapor discharge lamp |
02/14/1984 | US4431942 Color-corrected hid mercury-vapor lamp having good color rendering and a desirable emission color |
02/14/1984 | US4431941 Fluorescent lamp having double phosphor layer |
02/14/1984 | CA1162223A1 High-pressure sodium lamp |
02/08/1984 | EP0100122A1 Low-pressure mercury vapour discharge lamp |
02/08/1984 | EP0100121A2 Compact fluorescent lamp unit having segregated air-cooling means |
02/08/1984 | EP0100091A2 Ceramic seal for high pressure sodium vapor lamps |
02/08/1984 | EP0099895A1 Production of light from a fluorescent tube with reduction of the dazzling |
02/07/1984 | USRE31519 Lead-in seal and lamp utilizing same |
02/01/1984 | EP0099607A1 Electric reflector lamp |
01/31/1984 | CA1161490A1 Method of producing a low-pressure mercury vapour discharge lamp |
01/31/1984 | CA1161234A1 Sterilization by use of flash discharge lamp |
01/25/1984 | EP0098858A1 Power supply conductor, essentially for vacuum apparatus, and manufacturing method thereof. |
01/24/1984 | US4427919 Mercury holder for electric discharge lamps |
01/24/1984 | CA1161098A1 Current supply member support for high-pressure discharge lamp |
01/24/1984 | CA1161097A1 Low-pressure mercury vapour discharge lamp |