"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7352509 | Method and apparatus attenuating direct sun light while providing a view of the sky through a light tunnel in a skylight system An array of preferably at least three double-sided reflective panels mounted on a rigid frame pivoting at a mounting angle to create a double-sided reflective panel array. A tracking system positioning the rigid frame at a frame angle, with respect to the direct sun... | 04/01/2008 |
| 7322156 | Skylight domes with reflectors A skylight cover includes a transparent lens and an opaque reflector attached to the inside of the cover opposite the lens. Light entering the lens can be refracted by the lens so that it reflects off of the reflector and into a tubular skylight assembly. Thus, the ... | 01/29/2008 |
| 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 |
| 7222461 | Light transmission system and method for buildings A light transmission system and method for a building according to which shading surfaces are provided on the roof of the building for preventing direct sunlight from passing through a roof light, while permitting the maximum amount of indirect sunlight to pass thro... | 05/29/2007 |
| 7203004 | Directed reflection light collecting device with planar reflectors This invention relates to a directed reflection light collecting device with planar reflectors, wherein a number of planar reflectors are arranged on a frame in mutual parallel. This frame is rotatably supported via a transversal main turning shaft on the supports o... | 04/10/2007 |
| 7185464 | Tubular skylight for lighting rooms with natural light A tubular skylight for lighting rooms with natural light, comprising a tubular body with a reflective inner surface which leads into a room and has, at its external end, a natural light collector assembly and, at its internal end, a light diffuser. The collector ass... | 03/06/2007 |
| 7070314 | Light channelling window panel for shading and illuminating rooms A method for producing a light channelling panel by making an array of angled cuts in a first transparent plastic sheet, making a similarly spaced array of angled cuts in a second plastic sheet, transposing or flipping the second sheet and fixing it in contact with ... | 07/04/2006 |
| 7057821 | Integrated artificial and natural lighting system An artificial and natural lighting system placed in the roof of a building that is substantially self-contained and powered. A photovoltaic cell provides electricity stored in a battery to power light emitting diodes. A highly reflective interior coating applied to ... | 06/06/2006 |
| 6978578 | Panel unit of controllable light transmissivity The invention provides a panel unit of controllable radiation transmissivity, including a housing constituted by a front, radiation-receiving panel and a rear panel, the panels being spaced apart and connected to one another by connecting means; a plurality of rotat... | 12/27/2005 |
| 6542303 | Light distribution controlling apparatus, luminous flux density controlling apparatus and partitioning method An area or a part which is shaded or does not receive a sufficient amount of light due to a structure or other objects is irradiated by light distribution control or luminous flux density control with diffusion, refraction, division and the like of light.... | 04/01/2003 |
| 6381070 | Method and apparatus for lighting A method and apparatus for a lighting system with light collection from a plurality of light sources including natural sunlight, distribution and control of said plurality of light sources, and a network of optical fibers and other components connecting s... | 04/30/2002 |
| 6311437 | Pane for solar protection, daylighting and energy conservation The pane for solar protection, daylighting and energy conservation is a pane system consisting of two prismatic panes. The prismatic ribs of the panes are inclined by a certain angle to the horizontal within the window plane, exhibit identical cross-secti... | 11/06/2001 |
| 6299317 | Method and apparatus for a passive solar day lighting system A method and apparatus for a passive, fiber-optic day-lighting system collects and transports sunlight as a cost-effective technology solution for day-lighting applications. The system utilizes a low concentration ratio sunlight collection system, in expe... | 10/09/2001 |
| 6116740 | TIR window A window for utilization in the receiving of intelligence from a modulated beam of collimated light, with the window being configured to restrict the field of view of the optical system used therewith, and employing the phenomenon of total internal reflec... | 09/12/2000 |
| 5914825 | Reflector for display In a reflector for a display to be placed on the back surface of a reflection-type display, the section of the reflector is made serrated so that the shape of the serration will be an isosceles or scalene triangle, and, at the same time, the serrated refl... | 06/22/1999 |
| 5880886 | Optical component suitable for use in glazing An optical component comprises at least one substantially planar element having a plurality of elementary surfaces capable of acting to reflect by total internal reflection light incident thereon through the corresponding said element within a first range... | 03/09/1999 |
| 5703720 | Light collection and distribution apparatus A light collection and distribution apparatus for use with an exterior window well comprising a window well liner having at least one primary surface which is reflective and faces the window to reflect light rays in the direction of the window, a reflecti... | 12/30/1997 |
| 5164856 | Transmittance-adjustable window A transmittance-adjustable window (20) that includes first and second polarizer sheets (34B)(46B) and an actuator (44) for relative movement between them. The first sheet (34B) has a translation direction Y and is formed from an alternating series of abut... | 11/17/1992 |
| 5048925 | Quasi volume diffracting structures A structure for responding to incident radiation for directing said radiation in a selected direction with respect to the structure, the structure using at least two outer diffraction elements and an intermediate diffraction element, the diffraction chara... | 09/17/1991 |
| 4883340 | Solar lighting reflector apparatus having slatted mirrors and improved tracker A solar lighting apparatus for illuminating the interior of a roofed building includes a reflector assembly rotatable about a vertical axis for tracking daily movements of the sun. The reflector assembly includes multiple planar reflector panels each exte... | 11/28/1989 |
| 4773733 | Venetian blind having prismatic reflective slats A venetian blind having prismatic reflective slatted panels permits the passage of indirect rays of sunlight into a space to be illuminated while reflecting direct rays of sunlight away from the space to be illuminated. The prismatic reflective slats are ... | 09/27/1988 |
| 4703995 | Light radiator for diffusing and radiating light rays The light radiator is comprised of a transparent cylinder, an optical conductor for guiding light rays into the cylinder through one end of the cylinder, an optical means movably accommodated inside of the cylinder for reflecting the light rays guided int... | 11/03/1987 |
| 4626070 | Construction panel A construction element such as a wall, a partition, a skylight, etc., is produced using rigid panels, the essential part of which consists of an assembly of transparent plates having one flat major surface and a second major surface provided with a relief... | 12/02/1986 |
| 4593976 | Solar illumination device A solar concentrator having a stationary reflective collector (20) located to view the sky and reflect solar energy to a stationary reflective reflector (30) positioned to receive such reflected energy and reflect the energy toward a target within a struc... | 06/10/1986 |
| 4540241 | Construction panel A construction element such as a wall, a partition, a skylight, etc., comprises rigid panels, the essential part of which consists of an assembly of transparent plates having one flat major surface and a second major surface provided with a relief. This r... | 09/10/1985 |
| 4126379 | Light-condensing instrument An instrument for condensing the natural light into the inside of room is disclosed. By the combination of several convexo-convex lens and convexoplane lenses and fluorescent mirror, the natural light can be absorbed, condensed and filtered to illuminate ... | 11/21/1978 |