Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 5907472 | Multi-electrode double layer capacitor having single electrolyte seal and aluminum-impregnated carbon cloth electrodes A single cell, multi-electrode high performance double layer capacitor includes first and second flat stacks of electrodes adapted to be housed in a closeable two-part capacitor case which includes only a single electrolyte seal. Each electrode stack has ... | 05/25/1999 |
| 5782253 | System for removing a coating from a substrate A system is provided for removing material from a structure having at least one layer of the material formed on a substrate. The system includes a radiant energy source, such as a flashlamp, with an actively cooled reflector for irradiating a target area ... | 07/21/1998 |
| 5621607 | High performance double layer capacitors including aluminum carbon composite electrodes A high performance double layer capacitor having an electric double layer formed in the interface between activated carbon and an electrolyte is disclosed. The high performance double layer capacitor includes a pair of aluminum impregnated carbon composit... | 04/15/1997 |
| 5613509 | Method and apparatus for removing contaminants and coatings from a substrate using pulsed radiant energy and liquid carbon dioxide An improved system and method are provided for removing material coatings or contaminants such as paints from a structure. The system and method include a radiant energy source, such as a flashlamp, for irradiating the target area of the structure with th... | 03/25/1997 |
| 5573307 | Method and apparatus for blasting hard rock A method and apparatus for blasting of hard rock using a highly insensitive energetic material ignited with a moderately high energy electrical discharge causing the fracturing and break up of the hard rock is provided. The blasting apparatus comprises a ... | 11/12/1996 |
| 5515765 | Method of making electro-thermal chemical cartridge An electrothermal chemical cartridge with a fuse of tapering cross section enables higher impulse energy to be imparted to a projectile by means of complete controlled burning of propellant. A long, narrow tube filled with propellant has a fuse on its ins... | 05/14/1996 |
| 5512123 | Method for using pulsed optical energy to increase the bondability of a surface A method and system for improving the capability of a surface of an organic structure to bond with another material includes irradiating a target area of the surface of a structure with pulsed, incoherent optical energy having wavelength components which ... | 04/30/1996 |
| 5431105 | Electrothermal chemical cartridge An electrothermal chemical cartridge with a fuse of tapering cross section enables higher impulse energy to be imparted to a projectile by means of complete controlled burning of propellant. A long, narrow tube filled with propellant has a fuse on its ins... | 07/11/1995 |
| 5425570 | Method and apparatus for plasma blasting Method and apparatus for plasma blasting comprises a capacitor bank for storing electrical charge to which is coupled an inductance which delivers the electric charge as a current through a switch to an explodable conductor comprising a portion of a probe... | 06/20/1995 |
| 5390073 | Dielectric material containing dipolar molecules Dielectric materials having a high dipole moment density are provided. The high dipole moment density is achieved by the use of a substituted -amino acid, such as N-trimethyl glycine and related homologues having nonpolar sidechain groups, with thr... | 02/14/1995 |
| 5328517 | Method and system for removing a coating from a substrate using radiant energy and a particle stream A method is provided for removing material from a structure having at least one layer of material formed on a substrate. The method includes the steps of irradiating a target area of a structure with radiant energy sufficient to break or weaken chemical b... | 07/12/1994 |
| 5281798 | Method and system for selective removal of material coating from a substrate using a flashlamp Pulsed light sources, such as a flashlamp or laser, remove coatings from substrates via the ablation method. A photodetector circuit, sensing reflected light from the surface being ablated, provides a feedback signal that indicates the reflected color int... | 01/25/1994 |
| 5229743 | High voltage protection resistor A protection arrangement for a high voltage tube includes a low inductance disk resistor connected in series with the anode of the tube. When an electrical discharge occurs within the tube, the increased anode current flows through the resistor which abso... | 07/20/1993 |
| 5214685 | X-ray lithography mirror and method of making same A polished aspheric mirror focusses a fan X-ray beam from a point source onto a work piece as a straight image line. The work piece can be efficiently exposed to the X-ray beam by simply tilting the aspheric mirror about a rotational axis, causing the foc... | 05/25/1993 |
| 5204517 | Method and system for control of a material removal process using spectral emission discrimination A method for removing material from a structure, comprising the steps of: (1) generating a light beam; (2) irradiating the surface material of a structure with the light beam having an intensity sufficient to ablate the surface material and to cause the s... | 04/20/1993 |
| 5194723 | Photoacoustic control of a pulsed light material removal process The present invention provides an automated system and method for removing one or more layers of a material from a substrate. The system and method include irradiating a structure comprising at least one layer of material formed on a substrate with a ligh... | 03/16/1993 |
| 5126638 | Coaxial pseudospark discharge switch A high power pseudospark switch (40) utilizes a coaxial cylindrical electrode geometry to provide a large number of pseudospark discharge channels (60) in a compact space. The coaxial cylindrical electrode geometry includes a hollow cylindrical anode (52)... | 06/30/1992 |
| 5126621 | Ruggedized flashlamp exhibiting high average power and long life A flashlamp provides a ruggedized yet simple-to-manufacture construction capable of operating at high average output power over a long life. The flashlamp construction includes a glass tube (12) with an electrode assembly (24) detachably secured to each e... | 06/30/1992 |
| 5121314 | Bi-mode high voltage resonant power supply and method A capacitor-charging series resonant mode, high voltage power supply (SRMPS) (10) includes a switching network (30) that alternately applies a positive and negative voltage to a series resonant circuit, comprising a resonant capacitor and inductor. The in... | 06/09/1992 |
| 5107187 | High voltage protection resistor A protection arrangement for a high voltage tube includes a low inductance disk resistor connected in series with the anode of the tube. When an electrical discharge occurs within the tube, the increased anode current flows through the resistor which abso... | 04/21/1992 |
| 5034235 | Methods for presevation of foodstuffs Methods for food product preservation by inactivation of microorganisms and/or enzymes by applying pulses of very intense, very short duration pulses of light in the visible and near visible frequencies to the surface of food products to be preserved. Als... | 07/23/1991 |
| 5020087 | Diode for providing X-rays Diode for providing X-rays. A diode for generating X-rays is adapted for connection to a source of high electrical energy with the diode having a first end from which the X-rays are emitted, a second end, and axis extending between the ends. The diode inc... | 05/28/1991 |
| 4975918 | Tunable laser A tunable laser includes a laser medium (24), a resonant cavity (27, 28), at least one Faraday rotation element (26), and a polarization sensitive attenuator (25). Waves of laser energy produced by the laser medium resonate in the resonant cavity between ... | 12/04/1990 |
| 4948511 | Method for extracting dissolved organic pollutants from aqueous streams A method for economically creating useful thermal energy and decontaminating an aqueous stream containing dissolved organic pollutants which may be present in total concentration of 1 or 2 weight percent or as low as even less than 10 ppm. The stream of c... | 08/14/1990 |
| 4944921 | Automated PCB analyzer system Method and apparatus for the detection and quantitation of polychlorinated biphenyls (PCB's) utilizing sample preparation by treatment with predetermined quantities of sulfuric acid and lower alkane, in which the alkane--extracted phase is subjected to ch... | 07/31/1990 |
| 4910942 | Methods for aseptic packaging of medical devices Methods and apparatus for food product preservation by inactivation of microorganisms and/or enzymes by applying pulses of very intense, very short duration pulses of light in the visible and near visible frequencies to the surface of food products to be ... | 03/27/1990 |
| 4871559 | Methods for preservation of foodstuffs Methods and apparatus for food product preservation by inactivation of microorganisms and/or enzymes by applying pulses of very intense, very short duration pulses of light in the visible and near visible frequencies to the surface of food products to be ... | 10/03/1989 |
| 4867796 | Photodecontamination of surfaces As a method of decontaminating a surface covered with a chemical contaminant, a light-absorption agent providing a relatively high neutral density is applied to the surface in intimate contact with the contaminant. Then one or more flashes of high intensi... | 09/19/1989 |
| 4838154 | Apparatus for extending the shelf life of fluid food products Methods and apparatus for preserving fluid food products by subjecting the fluid foodstuffs such as diary products, fruit juices and fluid egg products to controlled, pulsed, high voltage electric field treatment. The methods and apparatus further contemp... | 06/13/1989 |
| 4837794 | Filter apparatus for use with an x-ray source Filter apparatus for use in x-ray equipment including a repetitively pulsed x-ray source, a window for transmitting x-rays generated by the source to an object to be irradiated, and a vacuum chamber containing the x-ray source and the filter apparatus. Th... | 06/06/1989 |
| 4835341 | Electrical insulator for use in plasma environment A high voltage bushing for use in a plasma environment. The bushing is adapted for mounting through a wall of a pressure vessel or the like and includes an elongate insulator having a central bore receiving an electrical conductor. The insulator has a low... | 05/30/1989 |
| 4828712 | Extraction of pollutants by inorganic chelation In a method for removing an inorganic pollutant from contaminated waters, the pollutant is extracted by contact with a chelating agent to form a metal chelate complex. The metal chelate complex is then contacted with a regenerating agent which regenerates... | 05/09/1989 |
| 4778493 | Electrostatic precipitator with means for the enhanced charging and collection of fine particles An electrical precipitator which uses a combination of field charging, diffusion charging, and electron charging for the enhancement of fine particle charging and collection. A precipitator is described for the collection of fine particles of less than 1.... | 10/18/1988 |
| 4707619 | Saturable inductor switch and pulse compression power supply employing the switch A saturable inductor switch. The switch includes a number of spaced cores disposed adjacent one another with each core being made of ferromagnetic material. An insulative layer is disposed about each core and each core has an electrical winding about the ... | 11/17/1987 |
| 4695472 | Methods and apparatus for extending the shelf life of fluid food products Methods and apparatus for preserving fluid food products by subjecting the fluid foodstuffs such as dairy products, fruit juices and fluid egg products to controlled, pulsed, high voltage electric field treatment. The methods and apparatus further contemp... | 09/22/1987 |
| 4684820 | Symmetrically charged pulse-forming circuit A circuit for generating a relatively high voltage, fast rise time pulse for a load. The circuit includes first and a second pulse-forming networks with each network including shunt capacitance and series inductance, and with each network having an input ... | 08/04/1987 |
| 4665898 | Malignancy treatment A body part of an animal afflicted with malignant cells is disposed within a magnetic coil and subjected to a plurality of magnetic field pulses, the pulses having intensities of between about 1 and about 100 Tesla and characteristic frequencies of betwee... | 05/19/1987 |
| 4589123 | System for generating soft X rays A system for generating soft X rays. This system includes valve apparatus for repetitively providing bursts of a gas of brief duration and a magnetic pulse compression power supply for providing high current pulses. The system further includes a transmiss... | 05/13/1986 |
| 4578805 | Transmission line transmitting energy to load in vacuum chamber A transmission line connecting a power supply, for supplying power pulses, to a load disposed inside of a vacuum chamber. Electrically conductive debris in both gaseous and non-gaseous forms is generated in response to the application of the power pulse t... | 03/25/1986 |
| 4531393 | Electromagnetic forming apparatus An electromagnetic forming apparatus having an expandable electromagnetic forming coil supported within an associated clamping press and having a pulse power system continuously operatively associated therewith to facilitate magnetic forming or swaging of... | 07/30/1985 |
