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| Number | Title | Issue Date |
| 7141734 | Alternating current solar power apparatus An alternating current (AC) solar power apparatus includes a photovoltaic cell and a circuit or device for causing a signal generated by the photovoltaic cell to oscillate in a negative differential resistance range, thereby producing an AC output voltage. The photo... | 11/28/2006 |
| 7102074 | Photovoltaic attachment system A photovoltaic attachment system for mounting photovoltaic panels on top of a building's roof is disclosed. The attachment system does not require drilling of holes into the roof and does not affect the integrity of the roof. The photovoltaic attachment system compr... | 09/05/2006 |
| 7082019 | Method and apparatus to protect solar cells from electrostatic discharge damage Methods and apparatuses are disclosed for protecting solar cells from cellular degradation caused by an electrostatic discharge pulse. In one embodiment, a diode may bypass current generated from an electrostatic discharge so that the pulse current does not reverse ... | 07/25/2006 |
| 6680468 | Electrical-supply-free MOS integrated circuit An electrical-supply-free MOS integrated circuit is described. The circuit comprises: a first semiconductor device having a first current terminal, a first input voltage terminal, and a first common terminal, said semiconductor device having a voltage bet... | 01/20/2004 |
| 6449082 | Busbars for electrically powered cells Edge busbars on a substantial perimeter of an electrochromic device are disclosed having electrical paths wrapping over the perimeter edge. Internal busbars interior from the perimeter are disclosed which lower the conductivity of the conductive layer of ... | 09/10/2002 |
| 6369934 | Self bleaching photoelectrochemical-electrochromic device A photoelectrochemical-electrochromic device comprising a first transparent electrode and a second transparent electrode in parallel, spaced relation to each other. The first transparent electrode is electrically connected to the second transparent electr... | 04/09/2002 |
| 6323478 | Photovoltaic power generation roof and installation method thereof A solar panel roofing board and a general roofing board are electrically connected directly or indirectly via a clip, spring, vis, and so on. Further, a conductive member is provided between the roofing boards and a roof installation surface, and the roof... | 11/27/2001 |
| 5171373 | Devices involving the photo behavior of fullerenes It has been found that fullerenes exhibit photoelectronic behavior such as photoconductivity or photovoltaic properties. Such behavior allows the fabrication of a variety of devices, such as solar cells and the use of various light-induced processes, such... | 12/15/1992 |
| 4929827 | Intelligent pallet An intelligent pallet is disclosed for use in assembly lines or conveyance lines of products. The pallet is essentially comprised of a memory unit including a cell and a photoelectric voltage converter, and a light emitter disposed remote from the memory ... | 05/29/1990 |
| 4818867 | Optical information processing device using optical shutter elements An optical information processing device includes a light receiving and driving circuit including photo voltaic elements adapted to receive an incident light and to produce a drive voltage, and an optical shutter driven by the drive voltage produced by th... | 04/04/1989 |
| 4701646 | Direct coupled FET logic using a photodiode for biasing or level-shifting A direct coupled FET logic (DCFL) circuit element has an active FET with source connected to a low reference voltage and drain connected through a pull-up FET to a higher reference voltage. An input is applied to the gate of the active FET and the output ... | 10/20/1987 |
| 4695120 | Optic-coupled integrated circuits Signal/data enters the IC in optic form via an optically-efficient method om either fiber optic or circuit-trace optic waveguides. The optic signal/data is transformed to electrical signal/data via the photo-sensing cells that are illuminated by each chan... | 09/22/1987 |
| 4532537 | Photodetector with enhanced light absorption A photodetector including a light transmissive electrically conducting layer having a textured surface with a semiconductor body thereon. This layer traps incident light thereby enhancing the absorption of light by the semiconductor body. A photodetector ... | 07/30/1985 |
| 4475031 | Solar-powered sun sensitive window A self-contained sun sensitive window made up of liquid nematic crystals sandwiched between two transparent conductors is powered directly by a solar cell. An increase in light intensity upon the solar cell reduces the transparency of the window, resultin... | 10/02/1984 |
| 4447151 | Method and apparatus for fast laser pulse detection using gaseous plasmas The method and device of the instant invention is a detector of pulsed laser radiation which utilizes the electromotive force generated by the plasma formed when such radiation is focused onto a surface (1). Measurements are made with a 10.6 μm CO2 | 05/08/1984 |
| 4445050 | Device for conversion of light power to electric power This invention relates to a high efficiency device for the direct conversion of light power to electrical power. Present photocells for accomplishing this purpose are well known to the art and have a theoretical efficiency not exceeding about 20%. In prac... | 04/24/1984 |
| 4363829 | Process for forming an electrically conductive film A process for forming an electrically conductive film by exposing to actinic radiation a coating that contains a nonionic electron donating compound and a halogen-substituted polymer having film-forming properties on a substrate, thereby forming a charge ... | 12/14/1982 |
| 4291323 | Indium phosphide arsenide based devices Devices based on InAs1-x Px where 0.85ࣘx | 09/22/1981 |
| 4264375 | Detector for high intensity laser radiation The reliability of a high intensity laser radiation surface ionization detector is increased by providing a target material for the high intensity laser radiation having a target material comprising a metal having a melting point below that of aluminum. T... | 04/28/1981 |
| 4214916 | Thin film photovoltaic converter and method of preparing same The photovoltaic converter of the present invention comprises a thin film consisting essentially of a lattice of stacked carbon chains comprising alternating single and double bonds deposited on the surface of an electrode transparent to sunlight. The car... | 07/29/1980 |
| 4213797 | Radiant energy to electric energy converter Radiant energy is converted into electric energy by irradiating a capacitor including an ionic dielectric. The dielectric is a sintered crystal superionic conductor, e.g., lanthanum trifluoride, lanthanum trichloride, or silver bromide, so that a multipli... | 07/22/1980 |
| 4212932 | Device for the direct conversion of radiant energy to electrical energy A cell for the direct conversion of radiant energy to electrical energy for arrying the process is characterized in that it comprises two layer-like zones each comprising a transparent material and at least one photochromic compound, electrical conduction ... | 07/15/1980 |
| 4197142 | Photochemical device for conversion of visible light to electricity A photochemical device for conversion of visible light to electricity comprising one or more monolayers of dye material such as chlorophyll, an electron acceptor monolayer of saturated fatty acid between suitable electrode layers, all formed or mounted on... | 04/08/1980 |
| 4182796 | Semiconductor liquid junction photocell using surface modified GaAs electrode A semiconductor liquid junction photocell using a photoactive electrode comprising GaAs has greatly improved solar energy to electrically conversion efficiency when compared to prior art semiconductor liquid junction photocells using GaAs electrodes. The ... | 01/08/1980 |
| 4180625 | Semiconductor liquid junction photocell using a CuInS2 electrode Liquid-semiconductor photocells have received much attention recently as candidates for use in solar power conversion devices. A semiconductor liquid junction photovoltaic cell having a photoactive electrode made from CuInS2 and a liquid electr... | 12/25/1979 |
| 4175982 | Photovoltaic cell A photovoltaic cell having an improved barrier electrode comprising indium or tin. The cell utilizes metal-free phthalocyanine dispersed in an electrically insulated binder as the photoactive layer in contact with an ohmic electrode.... | 11/27/1979 |
| 4175981 | Photovoltaic cell comprising metal-free phthalocyanine A photovoltaic cell wherein the photoactive layer comprises a thin layer of metal-free phthalocyanine dispersed in a binder. The electrical output is greatly in excess of that obtained from prior art organic semiconductor photovoltaic cells of the same su... | 11/27/1979 |
| 4164431 | Multilayer organic photovoltaic elements A novel multilayer, organic composition, a photovoltaic element fabricated therefrom having enhanced conversion efficiencies, and their use to generate power, are disclosed. Compounds with generally planar polycyclic nuclei such as organic photoconductive... | 08/14/1979 |
| 4157926 | Method of fabricating a high electrical frequency infrared detector by vacuum deposition A thin-film single-crystal infrared detector exhibiting an increased frequency of response. A closed transverse junction, formed by diffusing a central electrode of an impurity rich metal into a lead-salt film epitaxially grown on an insulating substrate,... | 06/12/1979 |
| 4151409 | Direct current variable capacitance electric generator A direct current, high voltage generator is disclosed in which electric power is produced by repeated capacitance changes. In various embodiments of the basic electric circuitry, the required capacitance change is effected by various methods, including, e... | 04/24/1979 |
| 4127781 | Scan mirror position determining system A scanning mirror position sensor operable from the back side of a scanning mirror which utilizes the front side of the mirror for scanning a scene to be interrogated or displayed. A rectangular uniformly distributed light source is reflected from the bac... | 11/28/1978 |
| 4127449 | Liquid-semiconductor junction photocells Liquid-semiconductor photocells using chalcogenide semiconductors have been advanced recently to the point where they compete favorably with silicon devices for solar power conversion. However, in common with silicon devices, the semiconductor needs to be... | 11/28/1978 |
| 4127738 | Photovoltaic device containing an organic layer A photovoltaic device for the conversion of light (preferably in the visible spectrum) to electrical current consists of at least two electrodes (one of which must be substantially transparent to the light), each electrode being made of different material... | 11/28/1978 |
| 4125414 | Organic photovoltaic elements A photovoltaic element featuring a photoconductive composition comprising an electrically insulating binder, an organic dye, and an organic photoconductor is disclosed. The photovoltaic element has superior conversion efficiencies compared to other organi... | 11/14/1978 |
| 4074129 | Electric generation by light-variable capacitance An improvement in a method of generating electric power by high voltage light or radiation variable electric capacitors is disclosed in which two distinct generating units are maintained in electrically separated circuits, neither unit interacting with th... | 02/14/1978 |
| 4060426 | Tin indium oxide and polyvinylcarbazole layered polarized photovoltaic cell A polarized photosensitive transducer is provided with a substantially transparent substrate over which there is preferably deposed a substantially transparent electroconductive layer of tin oxide-indium oxide. Overlying the electroconductive layer, there... | 11/29/1977 |
| 4035197 | Barrier type photovoltaic cells with enhanced open-circuit voltage, and process of manufacture A cadmium telluride photovoltaic cell is produced with increased conversion efficiency arising from enhanced open-circuit voltage. Such voltage is achieved by altering the surface of the crystalline cadmium telluride that contacts the barrier metal by hea... | 07/12/1977 |
| 4015117 | Unbiased modulated photo sensing systems The outputs of one or more interconnected, unbiased photovoltaic devices mounted to receive light generated by one or more modulated light sources are connected via a long cable to the input of a balanced low impedance differential input line preamplifier... | 03/29/1977 |
| 4004210 | Reversible thermoelectric converter with power conversion of energy fluctuations A thermal converter for transmitting electric energy fluctuations of small circuits at a higher temperature across a thermal barrier to small circuits at a lower temperature for high efficiency conversion of the electric energy fluctuations to electric po... | 01/18/1977 |
| 3975632 | Photovoltaic generation and device Photovoltaic generation of voltages well above the bandgap results upon absorption of radiation by a dipolar dopant within a transparent polarized pyroelectric body. Generation is by a charge transfer mechanism in accordance with which electrons are trans... | 08/17/1976 |
