Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 61 - Gas-discharge or vapour-discharge lamps
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
12/1980
12/09/1980CA1091284A1 Sodium vapor lamp with emission aperture
12/02/1980US4237401 Thermally emitting electrodes, rare gas, mercury iodide, ultraviolet-permeable glass wall
12/02/1980US4237400 Low-pressure discharge lamp with tortuous discharge path
11/1980
11/18/1980US4234818 Electric mixed light lamp
11/18/1980US4234817 Flat type fluorescent lamp
11/18/1980CA1089924A1 Device for the control of the light emission of a gasdischarge lamp
11/18/1980CA1089641A1 Luminescent screen
11/11/1980US4233653 Low-pressure mercury vapor discharge lamp
11/11/1980US4233542 High-pressure discharge lamp
11/11/1980US4233541 Start winding for solenoidal electric field discharge lamps
11/11/1980US4233538 Luminescent lead-activated alkaline earth metal rare earth metal borates and mercury vapor discharge lamp containing the same
11/04/1980US4232243 High pressure electric discharge lamp
11/04/1980CA1089001A1 Metal vapour discharge lamp with external auxiliary electrode
11/04/1980CA1089000A1 Arc discharge lamp with starter electrode voltage doubling
11/04/1980CA1088995A1 Ultraviolet emitting arc discharge lamp
11/04/1980CA1088994A1 High-pressure discharge lamp with hydrogen getter
11/04/1980CA1088993A1 Light-pervious, heat-reflecting filter and electric lamps having such a filter
11/04/1980CA1088814A1 Method of coating the inner wall of a low-pressure mercury vapour discharge lamp with luminescent material
10/1980
10/28/1980US4230964 Color high-pressure sodium vapor lamp
10/28/1980US4230741 Method of forming coated layer of fluorescent substance on inner surface of bulb
10/28/1980CA1088618A1 Stabilized repetitively pulsed flashlamps
10/28/1980CA1088615A1 Metal halide discharge lamp with phosphorous getter and method of manufacturing same
10/28/1980CA1088614A2 Fluorescent lamps
10/28/1980CA1088293A1 Electrostatic coating of silica powders on incandescent bulbs
10/21/1980US4229678 Safety switch which renders HID lamp inoperative on _accidental breakage of outer envelope
10/21/1980US4229673 High intensity discharge, protective envelope, phosphor coating
10/21/1980US4229658 Xenon light apparatus for supplying ultraviolet and visible spectra
10/15/1980EP0017295A1 Discharge lamp
10/15/1980EP0017281A1 High-pressure discharge lamp
10/15/1980EP0017280A1 Blended lamp
09/1980
09/30/1980US4225635 Coating with solution containing boron alkoxide and silicon alkoxide
09/30/1980CA1086814A1 Electric discharge lamp with voltage multiplier circuit
09/30/1980CA1086813A1 Short-arc discharge lamp with starting device
09/30/1980CA1086812A1 Multiple position display panel having segmented electrodes
09/30/1980CA1086489A1 Luminescent fluoride and luminescent screen provided with such a fluoride
09/23/1980US4224553 Gas discharge indicator device
09/16/1980US4223372 Electric flash device
09/16/1980US4223247 Metal vapor discharge lamp
09/16/1980US4222978 Method for producing polycrystalline translucent alumina having an excellent in-line transmission
09/09/1980US4221993 Discharge lamp having mechanical disconnect guard against jacket failure
09/09/1980US4221988 Low pressure gas discharge lamp having fibers evenly distributed between the electrodes
09/09/1980US4221987 High-pressure discharge tube operable in the open air without outer protective envelope
09/03/1980EP0015022A1 High pressure mercury vapour discharge lamp
09/02/1980US4220551 Novel blue light emitting luminophors
08/1980
08/26/1980US4219757 Gas discharge lamp
08/19/1980CA1083803A1 Lamps and discharge devices and materials therefor
08/12/1980US4217630 Fluorescent lamp base assembly
08/12/1980US4217522 Mechanical safety switch for high intensity discharge lamps
08/05/1980US4216408 Luminescent material and discharge lamp and cathode ray tube containing the same
08/05/1980CA1082910A1 Luminescent screen
08/05/1980CA1082909A1 Electric lamps and components and materials therefor
07/1980
07/29/1980US4215289 Luminescent material, luminescent screen provided with such a material and low-pressure mercury vapor discharge lamp provided with such a screen
07/29/1980US4214666 Tubular discharge envelope composed of a polycrystalline transparent alumina and a high-pressure vapor discharge lamp using the same
07/15/1980CA1081761A1 Composite metal/ceramic body and sealing compositions therefor
07/10/1980WO1980001436A1 Metal-vapor discharge lamp
07/08/1980US4211758 Ceramic compositions and articles prepared therefrom
07/08/1980CA1081307A1 Electric device provided with a switch which is designed as a discharge tube
07/08/1980CA1081306A1 Low-pressure mercury vapour discharge lamp
07/08/1980CA1081305A1 Low pressure gas discharge lamp with eccentrically located inner tube
07/01/1980US4210840 HID Lamp emission material
07/01/1980US4210839 Mercury lamp for promoting plant growth
06/1980
06/24/1980USRE30315 Precision base mercury vapor lamp
06/24/1980US4209726 Low-pressure sodium vapor discharge lamp
06/17/1980US4208618 Compact single-ended fluorescent lamp
06/17/1980US4208614 High intensity discharge lamp with integral means for arc extinguishing
06/17/1980US4208611 Fluorescent lamp containing a green emitting rare earth silicate coactivated phosphor
06/17/1980US4208607 Molybdenum foil conductors
06/17/1980US4208604 Low-pressure mercury vapor discharge lamp
06/17/1980US4208603 Electric lamp having improved inlead construction
06/17/1980US4208448 Washing with acetic, terephthalic, or succinic acid
06/11/1980EP0011993A1 Electric discharge lamps
06/10/1980US4207499 Device and method of starting a long radiation source
06/10/1980CA1079342A1 Low noise sodium vapor lamp for sonic pulse operation
06/03/1980CA1078678A1 Refractory metal oxide reflector coating on lamp envelope
05/1980
05/28/1980EP0011346A1 Low-pressure sodium vapour discharge lamp
05/27/1980US4205258 Internal shorting fuse for a high-intensity discharge lamp
05/27/1980CA1078451A1 Ballastless discharge lamp operating circuit
05/20/1980US4204137 Fluorescent lamp with refractory metal electrode supports and glass flare seal structure
05/14/1980EP0010991A2 Light source for illuminating objects with enhanced perceived coloration
05/14/1980EP0010742A1 H.I.D. lamp electrode comprising barium-calcium niobate or tantalate
05/13/1980US4203050 Gas discharge lamp and method
05/13/1980US4203049 Electric lamp with hydrogen getter and hydrogen getter
05/13/1980US4202999 Fused silica lamp envelope and seal
05/13/1980US4202794 Calcium yttrium borate phosphor composition
05/06/1980CA1077125A1 Metastable argon stabilized arc devices for spectroscopic analysis
04/1980
04/29/1980US4200360 Filter for protection against radiation, especially with regard to direct pigmentation by solar radiation
04/22/1980US4199708 Low-pressure mercury vapor discharge lamp
04/22/1980US4199707 Fluorescent lamp
04/22/1980US4199704 Sealing composition more closely matches thermal expansion coefficient of alumina ceramic
04/22/1980US4199703 Low inductance, high intensity, gas discharge VUV light source
04/22/1980US4199701 Fill gas for miniature high pressure metal vapor arc lamp
04/22/1980CA1076191A1 Low-pressure mercury vapour discharge lamp
04/16/1980EP0009970A1 High-intensity discharge sodium lamps
04/15/1980US4198589 Spectral source, particularly for atomic absorption spectrometry
04/15/1980US4198586 High pressure metal vapor discharge lamp and seal structure therefor
04/15/1980US4197957 Vacuum tight assembly
04/08/1980US4197480 Reflector-type hid sodium vapor lamp unit with dichroic reflector
04/08/1980CA1074989A1 Luminescent material
04/02/1980EP0009352A1 Sealing of ceramic and cermet parts, sealing material therefor and ceramic seal obtained
04/01/1980US4196374 Compact fluorescent lamp and method of making
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