Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
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03/13/1991 | EP0416937A2 A xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure |
03/13/1991 | EP0416705A1 High-pressure discharge lamp |
03/13/1991 | CN2073165U Rare earth fluorecent lamp bulb having long service cold catelectrode |
03/13/1991 | CN2073164U Portable high efficiency d.c fluorecent lamp |
03/13/1991 | CN2073074U Quick starting energy-saving long service fluorescent lamp |
03/12/1991 | US4999538 Electric lamp including one-piece contact elements |
03/07/1991 | WO1991003073A1 Tri-model thermal switch and preheat lamp containing same |
03/07/1991 | WO1991003072A1 Glow discharge lamp containing thermal switch for producing double hot spots on cathode |
03/07/1991 | WO1991000611A3 Glow discharge lamp |
03/06/1991 | EP0415398A2 Ceramic electric-discharge lamp incorporating arc tube having at least two curved regions |
03/06/1991 | CN2072756U 电极型荧光灯 Electrode Fluorescent Lamp |
03/06/1991 | CN2072727U Long life fluorescent lamp |
03/05/1991 | US4998038 Pitted light diffusive coating, a method of forming the coating and a lamp having the coating |
03/05/1991 | US4998036 Metal vapor discharge lamp containing an arc tube with particular bulb structure |
03/05/1991 | US4997400 Method of aligning and gapping arc lamp electrodes |
03/05/1991 | CA1281063C Gas discharge lamp with built-in resistance to color center formation in ultraviolet-transmissive window |
02/27/1991 | CN2072276U Electronic fluorescent lamp for mine |
02/27/1991 | CN1049571A Electrodeless low-pressure mercury vapour discharge lamp |
02/26/1991 | US4996606 Light emitting device and original reading apparatus having the device |
02/26/1991 | US4996465 Variable color lighting device |
02/20/1991 | EP0413398A1 Electrodeless low-pressure mercury vapour discharge lamp |
02/19/1991 | US4994715 Plasma pinch system and method of using same |
02/19/1991 | US4994705 Water-cooled, low pressure gas discharge lamp |
02/19/1991 | CA1280460C Multiple discharge device hid lamp with preferential starting |
02/19/1991 | CA1280274C Composite body |
02/13/1991 | EP0412740A2 Light sources |
02/13/1991 | EP0412130A1 Device for igniting gas-discharge lamps |
02/13/1991 | CN2071388U Double tube superimposed type electronic power saving lamp |
02/13/1991 | CN1011645B Polyelement metal halide mixture pellet for lamp and its preparation method |
02/12/1991 | US4992703 Metal halide lamp with dual starting electrodes and improved maintenance |
02/12/1991 | US4992700 Metal halide electric arc |
02/12/1991 | CA1280150C Metal halide lamp containing halide composition to control arc tube performance |
02/09/1991 | CA2022754A1 Light sources |
02/07/1991 | WO1991001566A1 Thick-film integrated flat fluorescent lamp |
02/05/1991 | US4991074 Lighting lamp |
02/05/1991 | US4990828 Mercury vapor releasing getter tape useful in the manufacture of cold cathodes for fluorescent lamps |
02/05/1991 | US4990826 Low voltage gas discharge device |
02/05/1991 | US4990821 Multicolor picture element with merged colors |
02/05/1991 | US4990819 High pressure |
01/30/1991 | EP0410512A1 Electric lamp |
01/30/1991 | EP0410511A1 Electric lamp |
01/30/1991 | EP0410042A1 Lighting lamp |
01/30/1991 | CN2070500U Three fundamental colour adjustable colour-changeable light |
01/29/1991 | US4988918 Mercury, rare gas, and halogen; small diameter; brightness; semiconductors |
01/29/1991 | US4988917 Hooked electrode for arc lamp |
01/29/1991 | US4988916 Discharge arc lamp |
01/29/1991 | US4988914 Phosphor and alumina layer |
01/29/1991 | US4988318 Unsaturated vapor high pressure sodium lamp arc tube fabrication process |
01/23/1991 | EP0409554A2 Optical interference coatings and lamps using same |
01/23/1991 | EP0409337A1 Low-pressure metal vapour discharge lamp |
01/23/1991 | EP0408981A2 High-pressure discharge lamp |
01/23/1991 | CN2070033U Service life doubling fluorscent lamp and its socket |
01/22/1991 | US4987344 Arc discharge lamp with internal starter |
01/22/1991 | US4987342 Self-ballasted glow discharge lamp having indirectly-heated cathode |
01/22/1991 | US4987341 Flash lamp with metal coating on an outer end of an electrode thereof |
01/17/1991 | DE4021420A1 One-sided compact fluorescent lamp with secure contact - has slots for press fittings in neck of threaded pedestal contg. stress relief notch for one connecting lead |
01/17/1991 | DE3922865A1 Mercury vapour lamp with solid-body recombination structure - is excited by HF energy in discharge space contg. fibre with specified surface-vol. ratio |
01/16/1991 | EP0407850A1 High pressure discharge lamp |
01/16/1991 | EP0407548A1 Deuterium lamp for spectral analysis devices. |
01/16/1991 | CN2069613U Spring coupling type electronic energy-saving fluorescent |
01/16/1991 | CN1048629A Electric lamp |
01/15/1991 | US4985275 Method for producing a fused silica envelope for discharge lamp |
01/10/1991 | WO1991000611A2 Glow discharge lamp |
01/09/1991 | EP0407373A2 Gas discharge tube |
01/09/1991 | EP0407160A2 A discharge tube arrangement |
01/09/1991 | EP0406948A1 Electric lamp |
01/09/1991 | EP0406499A1 Fluorescent bulb having a tubular base with electrodes turned upside down |
01/08/1991 | US4983889 Discharge lamp using acoustic resonant oscillations to ensure high efficiency |
01/08/1991 | US4983888 Fluorescent lamp device |
01/05/1991 | CA2020161A1 Electric lamp |
01/03/1991 | DE4018075A1 Low pressure gas discharge lamp electrode - comprises insulating base element with metal layer carrying spaced metal contacts |
01/02/1991 | EP0404830A1 Annular fluorescent lamp |
01/02/1991 | EP0151647B1 Method of manufacturing a low-pressure mercury-vapor arc lamp |
01/01/1991 | US4982140 Starting aid for an electrodeless high intensity discharge lamp |
01/01/1991 | US4981330 High-pressure sodium vapor discharge lamp |
12/27/1990 | EP0404406A2 Light source unit for using exposure |
12/26/1990 | CN2068282U Socket and base jointed type electronic energy-saving fluorescent lamp |
12/26/1990 | CN2068281U Energy-saving electronic fluorescent lamp |
12/25/1990 | US4980236 Melting ceramic containing filler occupying specified volume fraction seals togather a first and second ceramic material |
12/19/1990 | EP0403211A2 Arc tube for a high pressure discharge lamp |
12/19/1990 | EP0402878A1 Low pressure rare gas discharge lamp |
12/19/1990 | EP0368874A4 Fluorescent reflector lamp assembly |
12/18/1990 | US4978892 Flash discharge |
12/18/1990 | US4978891 Electrodeless lamp system with controllable spectral output |
12/18/1990 | US4978890 Fluorescent lamp device |
12/18/1990 | US4978888 Thick-film integrated flat fluorescent lamp |
12/18/1990 | US4978887 Single ended metal vapor discharge lamp with insulating film |
12/18/1990 | US4978884 Metal halide discharge lamp having low color temperature and improved color rendition |
12/18/1990 | US4978180 Tri-model type circuit breaker and rapid-start fluorescent lamp containing same |
12/18/1990 | CA1278021C Discharge lamp having envelope support spacer |
12/13/1990 | DE3918172A1 Gas discharge lamp - with silicone rubber shock absorbers sheath for pinched bases of lamp preventing breaks in connector |
12/12/1990 | EP0401403A1 Flash lamp |
12/11/1990 | US4977349 Low-pressure mercury vapor discharge lamp |
12/11/1990 | US4977346 High pressure sodium discharge lamp having gas filled outer envelope |
12/11/1990 | CA1277551C2 Method for coating phosphor particles, phosphor particle, fluorescent lamp, and manufacturing method |
12/05/1990 | EP0400980A2 Metal halide lamp |
12/04/1990 | US4975622 HPS discharge lamp with simplified starting aid structure |
12/04/1990 | US4975620 Metal vapor discharge lamp and method of producing the same |
11/28/1990 | EP0399428A2 Rare gas discharge fluorescent lamp device |
11/28/1990 | EP0399288A2 Discharge lamp using acoustic resonant oscillations to ensure high efficiency |