Patents
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
05/1977
05/10/1977US4023059 High pressure light emitting electric discharge device
05/03/1977US4021696 Ultraviolet discharge lamp
04/1977
04/26/1977US4020385 Fluorescent lamp having conductive film and protective film therefor
04/26/1977US4020379 Bulb-shaped flashtube with metal envelope
04/26/1977US4020378 Integral mercury-vapor pressure regulating means for fluorescent lamp
04/26/1977US4020377 High pressure mercury vapor discharge lamp
04/19/1977US4019078 Method of electrode mounting in high-pressure sodium discharge lamp
04/05/1977US4016445 Deuterium arc lamp
03/1977
03/29/1977US4015165 Electric lamp with molybdenum contact pins surrounded by non-corrosive metal sleeves
03/29/1977US4015164 Metallic halide high-pressure gas discharge lamp
03/29/1977US4015162 Fluorescent lamp having implanted amalgamative metal for mercury vapor regulation
03/22/1977US4013920 Safety switch which renders hid lamp inoperative on accidental breakage of outer envelope
03/22/1977US4013919 Discharge lamp having fuse-switch guard against jacket failure
03/22/1977US4013914 electrode protecting means for electric discharge lamps
03/15/1977US4012655 Refractory metal oxide reflector coating on lamp envelope
03/08/1977US4011480 Electric discharge lamp
03/01/1977US4010398 Or vapor discharge lamp
03/01/1977US4010397 Flashlamp triggering arrangements for pressurized gas cooled lasers
03/01/1977US4010000 Controlled particle size
02/1977
02/22/1977US4009408 Internal starting aid
02/08/1977US4007397 Arc discharge lamp with starter electrode voltage doubling
02/01/1977US4006378 Optical coating with selectable transmittance characteristics and method of making the same
01/1977
01/25/1977US4005332 Efficient DC operated fluorescent lamps
01/25/1977US4005328 Mercury vapor discharge lamp for use in color copying by means of electrophotographic processes
01/18/1977US4004189 Three-electrode short duration flash tube
01/18/1977US4004173 Sodium vapor electric discharge lamp
01/18/1977US4004171 Gas-and/or vapor discharge lamp
01/18/1977US4003845 Luminescent material
01/11/1977US4002940 Electrode for a discharge lamp
01/11/1977US4002939 Electric lamp
01/04/1977US4001634 Discharge lamp having thermal switch starter
01/04/1977US4001633 Device provided with a gas and/or vapor discharge tube
01/04/1977US4001628 Low-pressure fluorescent discharge device which utilizes both inorganic and organic phosphors
01/04/1977US4001626 High pressure tin halide discharge lamp
01/04/1977US4001625 High-pressure discharge lamp having a metal lead through conductor
01/04/1977US4001624 Soft glass flashtube
01/04/1977US4001623 Arc tube for high-pressure mercury/metal halide lamp
12/1976
12/28/1976US4000436 Gaseous discharge luminous device
12/28/1976US4000431 Ultraviolet radiation source with envelope having pressure equalization region
12/21/1976US3999057 Lighting structure
12/07/1976US3996493 Fluorescent lamp unit having ballast resistor
12/07/1976US3996487 Ceramic discharge lamp with reduced heat drain
12/07/1976US3995928 High pressure metal halide lamp with electron collector
11/1976
11/30/1976US3995192 Reprographic fluorescent lamp with improved reflector layer
11/30/1976US3995191 Mercury vapor, phosphor, titanium dioxide reflector layer with magnesium oxide
11/30/1976US3995182 Low-pressure sodium vapor discharge lamp
11/23/1976US3993922 Arc discharge lamp with integral trigger electrode
11/16/1976US3992646 Plant growth type fluorescent lamp
11/16/1976US3992645 Magnesium aluminate gallate phosphors and reprographic lamp containing same
11/16/1976US3992642 Ceramic envelope plug and lead wire and seal
11/09/1976US3991336 Xenon lamp having magnets around the electrodes thereof
11/02/1976US3989972 High pressure mercury vapor discharge lamp containing bismuth iodide
11/02/1976US3989970 Metal halide high-intensity discharge lamp having improved restart capability
10/1976
10/26/1976US3988633 Fluorescent lamp with envelope grooves
10/26/1976US3988629 Thermionic wick electrode for discharge lamps
10/26/1976US3988628 Metal halide lamp with titania-silicate barrier zone in fused silica envelope
10/26/1976US3988626 Magnetically stabilized xenon arc lamp
10/19/1976US3987331 Ultraviolet emitting fluorescent lamp having internal reflector film
10/19/1976US3987306 Treatment of material by ultra-violet irradiation
10/19/1976US3986236 Method of sealing alumina arc tube
10/05/1976US3984719 Internally sealed lamp
10/05/1976US3984590 Protective coatings of metal phosphates and arsenates
10/05/1976US3984589 Tin oxide coating
09/1976
09/28/1976US3983440 Arc-modifier of a halogen, metal or metal halide
09/28/1976US3983436 Electric arc discharge lamp
09/28/1976US3983385 Method and apparatus for operating a mercury vapor lamp
09/21/1976US3982154 Arc discharge lamp construction for starter electrode voltage doubling
09/07/1976US3979624 High-efficiency discharge lamp which incorporates a small molar excess of alkali metal halide as compared to scandium halide
08/1976
08/31/1976US3978361 Light source device
08/10/1976US3974418 Fluorescent lamp unit with ballast resistor and cooling means therefor
08/10/1976US3974410 Alumina ceramic lamp having enhanced heat conduction to the amalgam pool
08/10/1976US3973691 Fluorescent lamp having improved phosphor coating
07/1976
07/27/1976US3971968 Ultraviolet radiation source including temperature control and pressure control operating means
07/20/1976US3970883 Arc lamp with movable electrode
07/20/1976US3970856 Ultraviolet light applicator
07/06/1976US3968392 Pulse discharge lamp, in particular an electronic flash tube
06/1976
06/29/1976US3967153 Fluorescent lamp having electrically conductive coating and a protective coating therefor
06/22/1976US3965387 Electric lamp and thermal switch therefore
06/15/1976US3963954 Fluorescent lamp having indium oxide conductive coating and a protective coating therefor
06/15/1976US3963953 Color mismatch accentuating device
06/15/1976US3963951 Metal halide discharge lamp having a reflective coating
06/01/1976US3961222 Sodium vapor lamp configuration
05/1976
05/25/1976US3959682 Electric lamp
05/25/1976US3959524 Coating with a suspension of zirconium dioxide and zirconium boride, drying, firing
05/18/1976US3958145 High pressure, mercury vapor, metal halide discharge lamp
05/11/1976US3956667 Luminous discharge display device
05/11/1976US3956663 Luminescent screen with thallium activated aluminate
05/11/1976US3956660 Electric incandescent lamp
05/11/1976US3956656 Discharge tube having two internal electrodes
05/11/1976US3956655 Ultraviolet radiation source
04/1976
04/27/1976US3953761 Fluorescent light bulb for use in conventional incandescent bulb fixture
04/27/1976US3953755 High pressure gas discharge lamp including a hydrogen getter
04/27/1976US3953376 Method for preparing emissive coating for electrodes
04/20/1976US3951874 Method for preparing electron emissive coatings
04/06/1976US3949259 Light-transmitting, thermal-radiation reflecting filter
04/06/1976US3949258 Method and means for suppressing ozone generated by arc lamps
04/06/1976US3948793 Ultra-pure metal halide particles
03/1976
03/30/1976US3947719 Filtered fluorescent lamp
03/30/1976US3947714 Metal iodide vapour discharge lamp
03/23/1976US3946263 Encapsulated lamp assembly