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| Number | Title | Issue Date |
| 7276853 | Low-pressure mercury vapor discharge lamp Low-pressure mercury vapor discharge lamp has an at least partly substantially cylindrical discharge vessel (10) with a length Ldv and with an internal diameter Din. The discharge vessel (10) encloses, in a gastight manner, a discharge space (13... | 10/02/2007 |
| 6924598 | Apparatus for providing a kinetic lightning effect An apparatus for providing a visual lightning effect includes a first chamber and a second chamber, where a passageway connects the first chamber and the second chamber. An inert gas is provided within the first chamber, the second chamber, and the passageway. A fir... | 08/02/2005 |
| 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 |
| 5309058 | Seal construction arrangement for an electrodeless high intensity discharge lamp An electrodeless HID lamp having a quartz arc tube having a gas fill contained therein, is energized to a discharge state upon the introduction of a high frequency RF current in close proximity thereto, also includes a starting aid stem which extends from... | 05/03/1994 |
| 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 |
| 4956579 | Plasma Display using a double-walled enclosure A gas containing envelope in the form of a double walled cylinder is closed at one end and open at its other end, with the double walls of the cylinder defining an enclosed gas discharge area. The double walls of the cylinder are made of a transparent die... | 09/11/1990 |
| 4754199 | Self contained gas discharge display 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... | 06/28/1988 |
| 4445068 | Low-pressure mercury vapor discharge lamp with internal glass fibers The invention relates to a low-pressure mercury vapor discharge lamp having a tubular discharge vessel which is sealed in a vacuum-tight manner, a filamentary body, consisting for example of glass wool, which is thinly distributed over the volume of the d... | 04/24/1984 |
| 4311943 | Fluorescent lamp with arc spreading with recombination structures An arc discharge device such as a fluorescent lamp comprising an outer envelope having an inner phosphor coating. An arc spreading assembly is disposed in said envelope. There is provided a recombination structure in the form of fine glass or quartz fiber... | 01/19/1982 |
| 4297617 | Light producing device A device is provided comprised of an elongated flexible transparent thermoplastic tube which confines an electrically excitable gas, and an electrical supply which generates a pulsed direct current of high peak voltage and feeds said current to an electro... | 10/27/1981 |
| 4277713 | Low-pressure gas discharge lamp and method for making Low-pressure discharge lamp having an elongate discharge vessel which contains a thinly distributed filamentary body permeable to the gas discharge, said body comprising a helical support filament which is supported by the inner surface of the discharge v... | 07/07/1981 |
| 4274029 | Gas discharge device with metal oxide carrier in discharge path A gas discharge vessel and a process for extending the life of a gas discharge vessel, which is used as a radiation source, is permeable to radiation of a wavelength from 10 to 1,000 nm and has an activated cathode, wherein a metal oxide, of which the fre... | 06/16/1981 |
| 4221988 | Low pressure gas discharge lamp having fibers evenly distributed between the electrodes A low pressure gas discharge lamp having a body present in the discharge vessel which consists of a longitudinal support which extends into the longitudinal direction of the vessel, the support being provided with fibers which are distributed over the spa... | 09/09/1980 |
| 4179777 | Method of producing a low-pressure gas discharge lamp A method of producing low-pressure gas discharge lamps wherein filamenting wool is prepared into a mat and then brought into the discharge space.... | 12/25/1979 |
| 4163169 | Low-pressure gas discharge lamp A low-pressure gas discharge lamp in which thin-structured bodies are present in the discharge space for increasing the radiation output per unit volume.... | 07/31/1979 |
| 4143447 | Method of making a low-pressure gas discharge lamp A method for manufacturing a low pressure gas discharge lamp having a body present in the discharge vessel which consists of a longitudinal support which extends into the longitudinal direction of the vessel. The support being provided with fibres which a... | 03/13/1979 |
| 3984727 | Resonance lamp having a triatomic gas source A low power, sealed, optically thin resonance lamp having a controllable chemical decomposition source of a triatomic gas and a chemical getter sink in a sealed RF excited discharge. The discharge occurs in a second, extremely pure gas which is present in... | 10/05/1976 |
