Patents
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
08/1988
08/02/1988CA1239980A1 Arc tube dosing process for unsaturated high pressure sodium lamp
08/02/1988CA1239978A1 Low-pressure mercury vapour lamp containing amalgam
08/02/1988CA1239976A1 Discharge lamp having multiple constrictions
08/02/1988CA1239970A1 Metal halide lamp with arc tube shield support
08/02/1988CA1239969A1 Low wattage metal halide discharge lamp electrically biased to reduce sodium loss
08/02/1988CA1239810A1 Mo-ti members with non-metallic sintering aids
07/1988
07/27/1988EP0275924A2 Improvements relating to the lining of pipelines and passageways
07/27/1988EP0275580A1 Molybdenum base alloy and lead-in wire made therefrom
07/27/1988CN87100212A Burstproof lamp socket
07/26/1988US4760501 Headlamp system
07/20/1988EP0274780A1 Low-pressure mercury vapour discharge lamp
07/20/1988CN87210717U Fluorescent lamp with double set of filament
07/19/1988US4758759 Lamp with light-source capsule support members having equal thermal conductivity
07/19/1988CA1239437A1 High intensity radiation method and apparatus having improved liquid vortex flow
07/19/1988CA1239436A1 High-pressure discharge lamp
07/13/1988EP0274269A1 Fluorescent light source for liquid crystal displays
07/13/1988EP0274107A2 Electric lamp
07/12/1988US4757427 Irradiation device comprising a short arc discharge lamp
07/12/1988US4757236 High pressure metal halide arc lamp with xenon buffer gas
07/07/1988DE3643374A1 Tubular lamp body consisting of quartz glass, method and device for its production
07/06/1988EP0273505A1 High-pressure gas discharge lamp
07/06/1988EP0273442A2 Electric lamp with composite safety coating and process of manufacture
07/05/1988US4755721 High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics
07/05/1988US4755712 Molybdenum base alloy and lead-in wire made therefrom
07/05/1988US4755710 High-pressure sodium discharge lamp having reduced lamp voltage increase
07/05/1988US4755492 Yttrium oxide ceramic body
07/05/1988US4755056 Instrument for spectroscopy having metal halide lamp as light source
07/05/1988CA1238937A1 Ingredients for solenoidal metal halide arc lamps
07/05/1988CA1238936A1 Reflector lamp and lighting systems particularly suitable for architectural lighting
06/1988
06/29/1988EP0272930A2 Ceramic envelope device for high-pressure discharge lamp
06/29/1988EP0272687A2 Tungsten duplex composite electrode and filament material
06/29/1988EP0272652A2 Scandium oxide additions to metal halide lamps
06/29/1988CN87107424A High-pressure gas discharge lamp
06/29/1988CN87107295A Low-pressure mercury vapour discharge lamp
06/28/1988US4754373 Automotive headlamp
06/28/1988US4754198 Circuit breaker
06/28/1988US4754197 Arc discharge lamp assembly simulating gaslight
06/28/1988US4754195 High-pressure discharge lamp, and method of its manufacture
06/28/1988US4754194 Flourescent light bulb
06/28/1988US4754193 Mercury dispenser for arc discharge lamps
06/22/1988EP0271927A2 A method to reduce color temperature variation in metal halide arc tubes
06/22/1988EP0271911A2 Rare earth halide light source with enhanced red emission
06/22/1988EP0271877A2 Improved in-lead for sodium and metal-halide lamps
06/22/1988EP0271763A1 Thyristor ignition device
06/22/1988CN85100269B Gas discharge lamp of halogen complex compound of rare-earth and alkali metal
06/21/1988US4752718 High intensity discharge lamp with integral means for arc extinguishing
06/21/1988CA1238359A1 High-pressure high-frequency discharge lamp
06/16/1988WO1988004471A1 Process for enhancing the ignition performance of discharge lamps, ignition accessory arrangement and discharge lamp equipped therewith
06/15/1988EP0270890A2 Motor vehicle headlamp unit
06/15/1988EP0270866A2 Aluminum oxide reflector layer for fluorescent lamps
06/14/1988US4751435 Dual cathode beam mode fluorescent lamp with capacitive ballast
06/14/1988US4751432 High-pressure discharge lamp
06/14/1988US4751426 Fluorescent lamp using multi-layer phosphor coating
06/14/1988CA1238076A1 Ceramic envelope device for high-pressure discharge lamp
06/08/1988EP0270083A2 Low-pressure discharge lamp
06/08/1988EP0270004A2 Gas discharge lamp and apparatus utilizing the same
06/08/1988EP0269958A2 High-pressure discharge lamp having a single pinch
06/08/1988EP0269957A2 High-pressure discharge lamp having a single pinch
06/07/1988US4750096 Fluorescent light fixture
06/07/1988US4749905 High pressure discharge lamp
06/07/1988US4749902 Lamp with a bulb made of a high silica content glass
06/01/1988EP0269360A2 Improvements in or relating to metal vapour discharge lamps
06/01/1988EP0269016A2 Flat fluorescent lamp having transparent electrodes
06/01/1988CN85101677B High-voltage discharge lamp
05/1988
05/31/1988US4748380 Compact fluorescent lamp assembly having improved thermal dissipation and RFI suppression
05/31/1988US4748374 Terbium
05/31/1988US4748368 Three way gas discharge lamp
05/31/1988US4747479 Device for the testing and/or processing of small component parts
05/25/1988CN87204180U Energy-saving long life fluorescent lamp with auto connecting spare filament
05/24/1988US4746840 Fluorescent reflector lamp assembly
05/24/1988US4746835 Fluorescent lamp device having oval cross sectional tubes
05/24/1988US4746832 Controlling the vapor pressure of a mercury lamp
05/24/1988US4746346 Method for producing air-tight, heat-resistant plate
05/24/1988CA1237111A1 Light-source capsule containment device and lamp employing such device
05/19/1988WO1988003702A1 Fluorescent discharge tube with capacitive ballast, standardized cap, forming a compact assembly
05/19/1988DE3638508A1 Explosion-proof or flameproof (explosion-protected) fluorescent lamp
05/19/1988DE3638507A1 Explosion-proof or flameproof (explosion-protected) fluorescent lamp
05/18/1988EP0267340A1 Fluorescent lamp
05/18/1988EP0098858B1 Power supply conductor, essentially for vacuum apparatus, and manufacturing method thereof
05/17/1988US4745335 Magnesium vapor discharge lamp
05/17/1988US4745333 Auxiliary electrodes in fluorescent lamps for preventing irregular light flickering
05/17/1988US4745323 Compact fluorescent lamp with outer envelope
05/11/1988EP0266821A1 High-pressure discharge lamp
05/11/1988EP0266812A1 Luminescent alumino-silicate and/or alumino-borate glass comprising lanthanum and/or gadolinium and luminescent screen provided with such a glass
05/10/1988US4743810 Circuit arrangement for operating a high-pressure discharge lamp
05/10/1988US4743799 Low pressure arc discharge light source unit
05/05/1988WO1988003327A1 Coloured electric light devices
05/05/1988DE3636901A1 Method for operating a high-pressure sodium-vapour discharge lamp
05/04/1988EP0265983A1 Luminescent quartz glass, method of preparing such a glass and luminescent screen provided with such a glass
05/04/1988CN87209926U Longevity lamp
05/03/1988US4742269 Ceramic envelope device for high-pressure discharge lamp
05/03/1988US4742268 High cold spot temperature
05/03/1988US4741712 Low-profile socket for single-ended, high-pressure discharge lamp
04/1988
04/27/1988EP0265266A1 Electric discharge lamp
04/27/1988EP0265022A1 Assembly of a low-pressure sodium discharge lamp and a feeding apparatus, a low-pressure sodium discharge lamp and a lamp holder suitable for use in the assembly
04/27/1988EP0265012A1 Luminescent rare earth metal phosphate, luminescent screen provided with such a phosphate and low-pressure mercury vapour discharge lamp provided with such a screen
04/27/1988EP0264764A2 Sealing for a high-pressure lamp
04/26/1988US4740873 For use in a fixture
04/26/1988US4740729 Plural-color discharge lamps
04/26/1988US4740403 Connection material, sintered oxides, for high pressure sodium lamp