Class 315/358 - Plural gases or vapors in the discharge device

Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Systems wherein the discharge device contains two or more
No. of patents: 38
Last issue date: 04/15/2008

Number	Title	Issue Date
7358674	Structure having electrodes with metal core and coating A conductive element comprises a metal core and a coating, wherein the coating comprises at least one layer of aluminum, an aluminum alloy, an aluminide, silicon, a silicon alloy, a silicide, and combinations thereof, and wherein the at least one layer has a predete...	04/15/2008
6936956	Discharge lamp having an electrode body with a hermetically sealed space that is partially filled with a heat conductor A discharge lamp with a high output power in which an increase of the current to be supplied to the discharge lamp can be enabled without the need to enlarge the discharge lamp and the surrounding system. The discharge lamp includes an arc tube having a pair of oppo...	08/30/2005
6919688	Luminescent plasma discharge device, timepiece, having controlled motion of luminous discharge through multiple, independent discharge chambers A luminous discharge display device having two distinct, independent discharge chambers, stacked vertically; of substantially flat circular shape containing inert gas mixtures, and a central electrode coupled to a power supply which provides ionizing means for the g...	07/19/2005
6693379	High-pressure discharge lamp and method of fabricating same The high-pressure discharge lamp of the present invention includes: a discharge chamber that is formed in a silica glass tube, a pair of electrodes that are arranged with ends confronting each other in the discharge chamber; metal foil parts that are supe...	02/17/2004
6639343	Mercury-free metal halide lamp A mercury-free metal halide lamp includes an arc tube including a pair of electrodes inside the tube. In the arc tube, a rare gas and a metal halide are contained, and no mercury is contained. The mercury-free metal halide lamp is horizontally operated su...	10/28/2003
6495976	Color purity measuring method and color purity measuring apparatus The invention is intended to enable the easy measurement of the amount of color purity at each of many measured points. An adjusting coil (9) is provided at a neck portion of a color cathode ray tube (1). Also, a color image pickup means (4) for photograp...	12/17/2002
6414451	High-pressure discharge lamp A discharge lamp having a discharge vessel through whose wall at least one current feedthrough is guided. A discharge electrode is arranged on one end of the current feedthrough. The current feedthrough is made of at least two separate parts and at least ...	07/02/2002
5909091	Discharge lamp including an integral cathode fall indicator An active matrix liquid crystal display (AMLCD) system is for use in avionic applications. The system includes an integral cathode fall indicator. The indicator relies on a gas fill mixture to provide an orange glow when the cathode fall region has an abn...	06/01/1999
5666031	Neon gas discharge lamp and method of pulsed operation A pulse structure for operating a method neon lamp in a multi-colored light source is described along with its pertinence to automotive lighting. The particular neon lamps are mercury-free, low pressure, rare gas lamps that can be operated as efficient re...	09/09/1997
5637965	Low pressure sodium-mercury lamp yielding substantially white light Low pressure sodium lamp color output is shifted from yellow to a fuller spectral range of visible light (white) by effective simultaneous excitation of sodium and a mercury additive. This is made possible principally by controlling the vapor constituents...	06/10/1997
5523655	Neon fluorescent lamp and method of operating A nearly pure neon is described along with a method of operating the lamp. A phosphor is coated on the lamp wall. By properly stimulating the neon, ultraviolet light may be emitted, that can stimulate the phosphor to a first light emission. The lamp may t...	06/04/1996
5406177	Gas discharge lamp ballast circuit with compact starting circuit In accordance with the invention, there is provided a ballast circuit for a gas discharge lamp. The circuit comprises means for providing a d.c. bus voltage on a bus conductor with respect to ground. The circuit includes a resonant load circuit incorporat...	04/11/1995
5343114	High-pressure glow discharge lamp A high-pressure glow discharge lamp (1) having a planar discharge vessel (2) which is sealed in a vacuumtight manner, which surrounds a discharge space (3) filled with a gas mixture which forms excimers, and whose parallel walls (4, 5) are formed from a d...	08/30/1994
5220246	Method and apparatus for transmitting information using arc An information transmission method using arc and apparatus thereof are applied to a loudspeaker and the like having the function of illumination. The information transmission method is characterized in that arc current supplied to an arc generating device...	06/15/1993
5150017	High pressure sodium discharge lamp A high pressure sodium lamp having a fill within an elongated arc tube comprising an inert starting gas, mercury and sodium wherein said mercury and sodium being are in an amount less than two milligrams per cubic centimeter of said volume of the interior...	09/22/1992
5109248	Variable color-output strobe for photographic apparatus A single flash discharge tube system is provided that is capable of emitting artificial light of a controlled and variable spectral output to compensate for photographic film color variations and/or extremes in scene color temperature. The flash tube cont...	04/28/1992
5041765	Negative glow discharge lamp device A negative glow discharge lamp device has a discharge container enclosing at least a rare gas, a hot cathode disposed in the discharge container and coated with a thermion radiation matter, and an anode located in a negative glow domain formed between the...	08/20/1991
5034661	Rare gas discharge fluorescent lamp device The invention provides a rare gas discharge fluorescent lamp device which is long in life and high in brightness and efficiency. The lamp device comprises a rare gas discharge fluorescent lamp including a bulb having rare gas such as xenon, argon or krypt...	07/23/1991
5021718	Negative glow discharge lamp A negative glow discharge lamp including a light transmitting envelope having supported therein electrode means for establishing a negative glow discharge in the lamp. The fill material includes a metal-based gas such as sodium which, upon excitation ther...	06/04/1991
4996465	Variable color lighting device A variable color lighting device employs two gases having different ionization potentials and sealed in a lamp tube. A cathode and anode are disposed inside the lamp tube opposed to each other and connected to a power supply source for varying applied vol...	02/26/1991
4990831	Spark gap switch system with condensable dielectric gas A spark gap switch system is disclosed which is capable of operating at a high pulse rate comprising an insulated switch housing having a purging gas entrance port and a gas exit port, a pair of spaced apart electrodes each having one end thereof within t...	02/05/1991
4978892	Variable color-output strobe A single flash discharge tube system is provided that is capable of emitting artificial light of a controlled and variable spectral output to compensate for photographic film color variations and/or extremes in scene color temperature. The flash tube cont...	12/18/1990
4970433	Apparatus and method for tuned unsteady flow purging of high pulse rate spark gaps A spark gap switch apparatus is disclosed which is capable of operating at a high pulse rate which comprises an insulated housing; a pair of spaced apart electrodes each having one end thereof within a first bore formed in the housing and defining a spark...	11/13/1990
4963792	Self contained gas discharge device A gas discharge apparatus includes a discharge chamber including a transparent dome portion and an electrode-including base portion, which together enclose an ionizable gas. A cup-shaped base member is affixed at its periphery to the edge of the base port...	10/16/1990
4963796	High-pressure sodium vapor lamp A high-pressure sodium vapor lamp with elevated color temperature, high light yield and improved color rendering properties for general illumination purposes uses sodium or sodium amalgam with mole fractions xNa >0.9 as the arc media. The lamp ...	10/16/1990
4896076	Binary and ternary gas mixtures for use in glow discharge closing switches Highly efficient binary and ternary gas mixtures for use in diffuse glow discharge closing switches are disclosed. The binary mixtures are combinations of helium or neon and selected perfluorides. The ternary mixtures are combinations of helium, neon, or ...	01/23/1990
4862042	Apparatus and method for forming segmented luminosity in gas discharge tubes A device for producing and controlling the flow rate of bubble-like ionization discontinuities (30) in a gas discharge tube (10) which includes means to produce an alternating current at a frequency between 1500 and 8000 Hz and a voltage between 2000 and ...	08/29/1989
4841197	Double-chamber ion source Ion source including an electric discharge chamber body divided by a partition, having an anode electrode therein, into a main discharge chamber and a subsidiary discharge chamber. The subsidiary discharge chamber has a filament mounted therein aligned wi...	06/20/1989
4803405	Plasma processing apparatus and method The present invention relates to a plasma processing apparatus capable of obtaining a satisfactory plasma arc and a processing method used by this plasma processing apparatus. The plasma processing apparatus is constructed to vary an electric current or a...	02/07/1989
4782267	In-situ wide area vacuum ultraviolet lamp An open wide area vacuum ultraviolet lamp for use in microelectronics processing applications employes a ring-shaped cold cathode to produce a trapped electron beam discharge of generally disc-shaped cross section in a low pressure molecular gas environme...	11/01/1988
4743807	Laser activated diffuse discharge switch The invention is a gas mixture for a diffuse discharge switch which is capable of changing from a conducting state to an insulating state in the presence of electrons upon the introduction of laser light. The mixture is composed of a buffer gas such as ni...	05/10/1988
4600862	Discharge lamp operation apparatus A high-pressure sodium lamp is connected to a d.c. power supply through a ballast, to operate it with a current containing a d.c. component. The relation between the ratio l/d of the inter-electrode distance l (mm) to the inner diameter d (mm) of the arc ...	07/15/1986
4490650	Gas mixture for diffuse-discharge switch Gaseous medium in a diffuse-discharge switch of a high-energy pulse generator is formed of argon combined with a compound selected from the group consisting of CF4, C2 F6, C3 F8, n-C4 F	12/25/1984
4461981	Low pressure inert gas discharge device A lamp primarily containing neon gas is supplied with alternating electrical power at a frequency of not less than 5 kHz. The discharge current is determined on the basis of the gas pressure such that no striations occur. If necessary, getter means includ...	07/24/1984
4329626	Plasma display device A plasma display device is provided with a gas discharge device which is filled with hydrogen as an ionizable gas and contains an aluminum cathode which is maintained continuously coated during the gas discharge with a film of an aluminum oxide which is e...	05/11/1982
4237404	Spark gap control A high repetition rate high power spark gap switch of the type useful in pulsed lasers, radar systems and pulse-forming networks is enabled to operate with higher switching speed at high power levels by rapid chemical composition change cyclically made in...	12/02/1980
4190786	Discharge lamp A discharge lamp of the type which seals mercury and a rare gas in a bulb having sealed therein a pair of electrodes and in which both the mercury and the rare gas contribute to discharge radiation. Letting the value of the quantity of mercury (mg/cc.) se...	02/26/1980
4035691	Pulsed laser excitation source A high intensity source produces light energy output principally in the 3A to 4300A spectral region. An envelope of material substantially transparent to light energy within the desired spectral region is sealed to contain xenon gas in an amount sufficie...	07/12/1977

PatentStorm

Quotables

PatentStorm News

Class 315/358 - Plural gases or vapors in the discharge device