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| Number | Title | Issue Date |
| 8176912 | Light-condensing device and method of fabricating the same A light-condensing device and a method of fabricating the same are provided. The light-condensing device includes a central block, a pair of vertical diffraction grating blocks respectively located left and right of the central block, and a pair of horizontal diffra... | 05/15/2012 |
| 7395820 | Receiver tube with receiver tubular jacket and parabolic trough collector containing same The parabolic trough collector includes a single-axis parabolic mirror (1) and a receiver tube (2) arranged at the focal point (F) of the parabolic mirror (1). The receiver tube (2) includes an absorber tube (4) and an outer tubula... | 07/08/2008 |
| 7295372 | Day lighting device The present invention relates to an apparatus for collecting and transmitting sunlight into a space comprising a solar ray collecting device, a solar light transmitting device and a solar light emitting device, wherein said solar ray collecting device is arranged to... | 11/13/2007 |
| 7227077 | Light element with a translucent surface A light element with a translucent surface includes an energy converter, wherein the translucent surface is so formed as to direct only that portion of the radiation onto the energy converter that impinges on the translucent surface. The energy converter may be a so... | 06/05/2007 |
| 7190531 | Concentrating type solar collection and daylighting system within glazed building envelopes A Fresnel lens including a substantially polygonal focusing portion adapted to focus solar radiation to a area having the same geometry as the focusing portion of the lens. Also a solar module including the Fresnel collecting lens and a substantially polygonal photo... | 03/13/2007 |
| 7160522 | Device for concentrating or collimating radiant energy This invention consists in a nonimaging device for concentration or collimation of radiation on a receiver or from an emitter (14), depending on the case. The device is made up of the lens (50), which surrounds the receiver and consists of the aspheric... | 01/09/2007 |
| 7081584 | Solar based electrical energy generation with spectral cooling Method and system for converting solar energy into electrical energy utilizing serially coupled multijunction-type photovoltaic cells in conjunction with a form of spectral cooling. The latter cooling is carried out by removing ineffective solar energy components fr... | 07/25/2006 |
| 7018395 | Photodynamic treatment of targeted cells The present invention is drawn to methods for photodynamic therapy (PDT) of a target cell, target tissue or target composition in a mammalian subject, using a therapeutically effective amount of a targeted substance, which is either a targeted photosensitizing agent... | 03/28/2006 |
| 6997571 | Lighting apparatus and image pickup apparatus The present invention discloses a lighting apparatus including a light source, an optical member that is placed in front of the light source and provided with a reflecting surface for reflecting light from the light source or prism sections each made up of a refract... | 02/14/2006 |
| 6959993 | Solar concentrator array with individually adjustable elements A tracking heliostat array comprises a plurality of optical elements. The tracking heliostat array further comprises a frame separated from the optical elements. Each of the optical elements has an orientation with respect to the frame. The tracking heliostat array ... | 11/01/2005 |
| 6923174 | Device which follows the position of the sun A solar installation is described. It has a solar element and a diffractively and/or refractively operating optical apparatus by way of which the incident sunlight is passed directedly perpendicularly on to the solar element. The optical apparatus is caused to track... | 08/02/2005 |
| 6763826 | Solar water heater A solar water heater is provided. The heater features heat control so that a maximum temperature is automatically controlled. The heater is insulated to maintain a water temperature of water stored therein for long periods of time. The heater includes an insulated l... | 07/20/2004 |
| 6700055 | Self tracking, wide angle, solar concentrators A solar concentrator system includes a collector lens for collecting and at least partially focusing incident solar rays, a solar cell and a lens array positioned generally between the collector lens and the solar cell, the lens array directing the partia... | 03/02/2004 |
| 6655102 | Camouflaged structure and method of camouflaging a structure against a background having a generally uniform composition A camouflaged structure and a method of camouflaging a structure against a background having a generally uniform composition of hue, saturation and brightness. In one embodiment, the camouflaged structures comprises a cell tower (100) camouflaged to decre... | 12/02/2003 |
| 6469241 | High concentration spectrum splitting solar collector A solar concentrator includes high concentrating reflective or refractive optics concentrating collected solar light along a first axis and includes spectrum splitting reflective or refractive optics splitting collected solar light along a second axis for... | 10/22/2002 |
| 6302100 | System for collimating and concentrating direct and diffused radiation A method is disclosed for collimating light energy falling randomly from myriad directions on a fixed-positioned thin flat surface. The collimated rays are then concentrated by an assembly of prismatic slabs and optical or fiber optic means to achieve lig... | 10/16/2001 |
| 6164786 | Electromagnetic rafiation concentrator system An array of concentrators of electromagnetic radiation (i.e., visible light, radio waves, etc.) employing one or more concentrating devices. Each concentrating device includes: a concentrator system for concentrating the incident electromagnetic radiation... | 12/26/2000 |
| 6123067 | Solar collector tracking system A solar collector tracking system that has a solar collection device having multiple lens assemblies mounted on its front surface. An exoskeleton structure is secured to the rear surface of the solar collection device and it is pivotally secured about a h... | 09/26/2000 |
| 6111190 | Inflatable fresnel lens solar concentrator for space power A novel, high-efficiency, extremely light-weight, inflatable refractive solar concentrator for space power is described. It consists of a flexible Fresnel lens, flexible sides, and a back surface, together enclosing a volume of space which can be filled w... | 08/29/2000 |
| 6105570 | Solar power heating system A solar power heating system includes a plurality of concentrating solar collectors each comprising a frame having two side walls and a reflecting layer attached to the inside thereof. Each of the side walls has two engaging members so as to conveniently ... | 08/22/2000 |
| 6091017 | Solar concentrator array A high efficiency, light weight solar concentrator array particularly suitable for use with space vehicles. Parallel rows of mirror assemblies are mounted on a base plate having high thermal conductivity. Each mirror assembly comprises back-to-back mirror... | 07/18/2000 |
| 6075200 | Stretched Fresnel lens solar concentrator for space power A novel, high-efficiency, extremely light-weight, robust stretched Fresnel lens solar concentrator for space power is described. It consists of a flexible Fresnel lens attached to end supports, wherein said end supports stretch the lens to maintain its pr... | 06/13/2000 |
| 6047697 | Solar collector A solar collector comprising an evacuation envelope; an absorber housed inside the evacuated envelope and comprising plates which define an evaporation gap, the evaporation gap providing communication between a reservoir of heat transfer fluid at a first,... | 04/11/2000 |
| 6031177 | Shadowing timer for a photovoltaic solar cell array and photovoltaic power source comprising same A photovoltaic power source includes a shadowing timer comprising at least one shadowing member (i.e. vane element) secured proximal to an array of photovoltaic solar cells electrically connected in series. The shadowing members are arranged such that the... | 02/29/2000 |
| 6031179 | Color-mixing lens for solar concentrator system and methods of manufacture and operation thereof A color-mixing lens for use in a concentrator system and methods of manufacture and operation thereof. The color-mixing lens includes: (1) a light-transmissive substrate that receives broad spectrum light from a source, (2) a first plurality of prisms, lo... | 02/29/2000 |
| 6020554 | Tracking solar energy conversion unit adapted for field assembly A modular solar energy collector having elongated V-shaped side walls formed by a pair of coplanar panels for each side wall. The upper panels, occupying most of the wall area are diffusely reflective, but the lower panels are specularly reflective. A Fre... | 02/01/2000 |
| 6020553 | Photovoltaic cell system and an optical structure therefor High radiation concentration photovoltaic cell system including at least one optical structure in the form of a three-dimensional body having a first surface adapted to receive thereon photovoltaic cells and a second surface to be, at least indirectly, ex... | 02/01/2000 |
| 6018122 | Tracking solar module To provide a tracking-type solar module capable of high-performance sunlight-tracking with a simple configuration while simultaneously performing highly effective cooling of a solar cell, a solar cell is movably installed within a transparent cooling tube... | 01/25/2000 |
| 6015950 | Refractive spectrum splitting photovoltaic concentrator system A solar energy conversion system, in which two separated arrays of refracting elements disperse incident sunlight and concentrate the sunlight onto solar energy converters, such that each converter receives a narrow portion of the broad solar spectrum and... | 01/18/2000 |
| 5977475 | Converging solar module There is provided a converging solar module of a simple structure which can accurately track the sun and efficiently generate electricity. A converging solar module comprises an electricity generating converging lens (10) made of resin having a flat shape... | 11/02/1999 |
| 5977478 | Solar module For the purpose of providing a solar module which has a fixed type solar concentrator of high converging magnification, a solar cell 12 is installed on the bottom face of an extension 30 which is extended further from the apex of a V shape formed by a pai... | 11/02/1999 |
| 5973260 | Converging type solar cell element The present invention discloses a converging type solar cell element able to restrain recombination of carriers and inflow of carriers into an embankment section and improve photoelectric conversion efficiency. A p+ diffusion layer 16 is forme... | 10/26/1999 |
| 5961742 | Converging solar cell element For a converging solar cell element capable of preventing excessive concentration of converged sunlight to one point without lowering the degree of light convergence, a p+ layer 14 and an n+ layer 12 are formed on the rear surface of a silicon substrate; ... | 10/05/1999 |
| 5941239 | Multiple lens solar heating unit A multiple lens solar heating unit consisting of a piping component, a housing component with a transparent housing cap, holes within the housing component for entry and exit of the piping component, multiple lens mounting braces affixed parallel wise to ... | 08/24/1999 |
| 5924415 | Solar grill A solar cooker which has at least one biconvex lens which can concentrate solar rays onto an item to be cooked. In addition, the solar cooker utilizes a series of pulleys to rotate the lens from an angle of 45° on each side of the sun's zenith in order t... | 07/20/1999 |
| 5915376 | Evacuated solar collector A solar heat collecting apparatus includes a first, inner glass dome, and a second, larger outer glass dome disposed outwardly from the inner dome. Both of the inner and outer domes have respective inner and outer surfaces and an open end, and an infrared... | 06/29/1999 |
| 5894838 | Window for a central solar receiver with volumetric absorber A transparent windows (4) for a solar radiation receiver assembly and a solar receiver assembly using the same, which assembly comprising a housing (2) having an aperture (3) and holding a volumetric solar absorber (5), the transparent window (4) mounted ... | 04/20/1999 |
| 5829427 | Orientable pyramid-shaped solar collector device Solar collector device constituted by a pyramid-shaped structure comprising three faces 1, 2, 3 or more and a base 4. The face 1, on which various solar energy collecting means are mounted, is the only face used as a planar solar collector, the other face... | 11/03/1998 |
| 5809705 | Wall which has at least one window with at least one glass pane The wall has at least one wall part in which at least one window is fastened. The wall part has a casing and has a hole for each window. The window has at least one glass pane and a holder which encloses said pane and is tightly and nondetachably connecte... | 09/22/1998 |
| 5706798 | Solar lens, stove and solar panel combination The invention comprises a solar assembly for heating a stove with solar energy. The assembly includes a foundation pipe having an opening. A substantially vertical pipe is positioned in the opening and the vertical pipe is capable of rotation relative to ... | 01/13/1998 |
