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| Number | Title | Issue Date |
| 6972808 | CRT assembly of projection television A cathode-ray tube (CRT) assembly of a projection television includes a CRT for creating an image, a lens for magnifying the image created in the CRT and projecting the image onto a screen, and a coupler disposed between the CRT and the lens. A cooling liquid recept... | 12/06/2005 |
| 5325024 | Light source including parallel driven low pressure RF fluorescent lamps A fluorescent light source includes multiple fluorescent lamp tubes driven in parallel by a single RF source. The fluorescent lamp tubes can be twin tube fluorescent lamps or straight fluorescent lamps. RF electrical energy is capacitively coupled to low ... | 06/28/1994 |
| 4503318 | Apparatus for the spark perforation of sheet materials Apparatus for spark perforation of sheet material comprising spaced apart first and second electrodes which define between them a sparking zone through which sheet material to be perforated can be moved in a predetermined direction, and in which the porti... | 03/05/1985 |
| 4465954 | Discharge lamp starting and operating circuit Apparatus for starting and operating a discharge lamp includes a starting device having bimetals and a rigid conductive member forming a switch, a ballast coupling the switch to an AC source and a discharge lamp and a spark gap each shunting the starting ... | 08/14/1984 |
| 4358701 | Discharge lamps having internal starting aid capacitively coupled to one of the electrodes A fluorescent lamp assembly is comprised of a lamp and a ballast therefor. The lamp includes an internal, solid wire starting aid connected to third lead-in wire sealed in an end of the lamp. A resistive ballast serially couples the lamp electrodes to a l... | 11/09/1982 |
| 4355226 | Apparatus for the spark perforation of sheet materials Apparatus for spark perforation of sheet material comprising spaced apart first and second electrodes which define between them a sparking zone through which sheet material to be perforated can be moved in a predetermined direction, and in which the porti... | 10/19/1982 |
| 4321506 | Discharge lamp and lighting equipment A discharge lamp comprises a high pressure arc tube for high pressure and a low pressure arc tube for low pressure which is electrically connected in parallel to said high pressure arc tube in an outer tube. A lighting equipment comprises a high pressure arc t... | 03/23/1982 |
| 4287454 | High pressure discharge lamps with fast restart A light source including two high intensity discharge devices, such as metal vapor discharge tubes, electrically coupled in parallel to provide fast restart and immediate illumination after a momentary power interruption. Upon application of power, one of... | 09/01/1981 |
| 4117370 | Discharge lamp having a glow discharge starter within the outer envelope A high-pressure sodium vapor discharge lamp which is provided with a discharge tube and an outer envelope which envelopes this tube. In accordance with the improvement there are disposed in the space between the discharge tube and the outer envelope both a cap... | 09/26/1978 |
| 4065692 | Spark gap assembly for voltage surge arresters A spark gap assembly of a stack of insulating plates which have on one surface thereof a pair of electrodes preassembled and affixed thereto with a defined spark gap therebetween and a piece of ionizing material disposed on and affixed to each of the plat... | 12/27/1977 |
| 4052639 | Spark gap for achieving arc elongation and compression without the use of supplementary magnetic means A current limiting spark gap for use in a valve type lightning or surge arrester includes a plurality of identical, mirror-image insulating gap plates assembled together to define arc elongation and cooling chambers between each pair of adjacent gap plate... | 10/04/1977 |
| 3979646 | Surge voltage arrester A surge voltage arrester having a gas-tight housing includes a pair of electrodes arranged at a distance opposite one another and with their active surfaces facing one another. The electrodes are inserted into respective ends of a tubular insulating body ... | 09/07/1976 |
| 3968393 | Spark gap device for a lightning arrestor Within an arc extinguishing chamber are disposed a pair of main electrodes so as to cause a spark starting gap to be defined therebetween. A single auxiliary electrode is also disposed so as to cause reignition in those interspaces between the auxiliary e... | 07/06/1976 |
