Matches 1 - 50 out of 59 1 2 >
Match Document Document Title
7430077 Solar tracking reflector system for structure lighting  
A solar tracking device is mounted above a skylight of a building. An array of mirrors is rotated at a rate of one revolution per day to reflect sunlight through the skylight. A control circuit...
7339739 Active daylighting and active solar heating system and method  
A daylighting system for structures consisting of a solar energy collector means including a modified Cassegrainian optical system, a means of moving said collector means to an attitude tracking...
7147903 High efficiency optical devices  
Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer....
7082726 Butterfly valve for skylight  
A valve for selectively blocking the light passageway of a skylight includes a cylindrical shroud and first and second semicircular butterfly valve elements that pivot on respective axles within...
6980728 Optical element having total reflection  
An optical element ( 1 ) for reflecting and/or redirecting light rays (L 1 ) entering therein and again emerging therefrom consists of a transparent base body ( 2 ) which is so structured and/or...
6873465 Installation for increasing the light yield on the playing surface in a stadium  
An installation for increasing the daylight yield in a stadium provided with a playing surface, stands, and optionally a covering, includes an essentially vertical light-reflecting body to guide...
6801361 Sun tracking lighting device  
The invention provides a light admitting device of the sun tracking type which has a solar cell as mounted on light reflecting means for tracking the sun. This arrangement assures the solar cell of...
6714356 Optical device provided with tremble correcting function  
In binoculars provided with a tremble preventing function, correction lenses are held by a lateral-direction driving frame which is supported in an opening portion of a lengthwise-direction driving...
6714352 Mini-optical light shelf daylighting system  
Each light slat of the Mini-Optical Light Shelf daylighting system consists of a light reflecting segment that comprises the top surface of the light slat. A light shading segment and a light...
6641883 High efficiency optical devices  
Optical devices such as light pipes which incorporate multilayer optical films in which the refractive indices of two adjacent layers in the thickness direction are substantially matched or are...
6493145 Solar lighting apparatus  
A solar lighting apparatus includes a transparent dome. The transparent dome is provided, at its ceiling center, with a control box accommodating a stepping motor, a controller for controlling the...
6480336 Mini-optical light shelf daylighting system  
The mini-optical light shelf daylighting system is implemented in the paradigm of a window treatment that is applicable to both new installations as well as existing window glazing. In particular,...
6466374 Iridescent film with multidirectional variable optical stripes  
Iridescent film with multidirectional variable optical stripes, including multiple very thin laminated films. The films are respectively made of different transparent plastic materials with...
6363667 Passive collimating tubular skylight  
A passive collimating tubular skylight consisting of a radiant energy-collecting aperture, a radiant energy-delivering aperture, and a radiant energy passageway between these two apertures, the...
6341041 Internal natural light delivery system  
An internal natural light delivery system collects light rays through a series of reflective surfaces redirecting the light to an internal area of a building. The system includes a collector having...
6178707 Small skylight with non-tracking solar collector  
A new small skylight which can be installed in buildings in general, on the roof of rooms requiring natural lighting. The advantage of this skylight over previous ones lies in its small size, thus...
6128135 Three-reflection collection system for solar and lunar radiant energy  
A system utilizing a series of three mirrors for purposes of collecting, concentrating, collimating and distributing radiant flux, such as sunlight or moonlight. The system generally includes a...
6014845 Energy-efficient solar shade system for skylights  
An energy saving skylight cover system operates selectively in summer and winter to optimize transfer of the sun's radiation through the skylight into an interior space. The skylight cover system...
5999323 Active solar reflector  
An active solar reflector, preferably mounted within a transparent dome, tracks the sun from sunrise to sunset to reflect impinging solar radiation into a room or other space to be lighted. The...
5980052 Sun reflecting device  
A sun reflecting device capable of reflecting sunlight off of a mirror through a window and onto the ceiling of a room. The mirror holding assembly is adhered the outside of the window by suction...
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...
5716442 Light pipe with solar bulb energy conversion system  
A light pipe with Solar Bulb energy conservation system that includes: one or more solar and/or artificial light sources; one or more opaque and/or transparent hollow tubular conduits; a reflective...
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...
5648873 Passive solar collector  
An apparatus designed to direct daylight through an aperture toward a target area in a building or other structure is disclosed. A housing provides a base attachable to the building and a support...
5039352 External wall element for buildings  
The external wall element has an outer pane with lens-like holographic elements. On the inner pane, radiation receiving elements for generating energy are arranged in the focal plane of the...
4984880 Light reflecting device with symmetrically disposed light reflecting plates  
A light reflecting device capable of independently or synthetically using light rays delivered by at least two light-guide cables and of selectively changing the amount of light rays in accordance...
4978198 Light focusing mechanism  
A system for providing interior lighting for a building from a natural exterior source including reflectors adapted to reflect the light into a light unit from which the light may be diffused into...
4791533 Natural lighting apparatus  
A natural lighting apparatus includes a mirror for reflecting light, and a supporting mechanism for supporting the mirror for rotation about both a first axis and a second axis perpendicular to the...
4720170 Daylamp system  
A central lighting system for commercial buildings employing core daylighting with tracking heliostats, light beam processing, heat extraction and utilization, distribution through light pipes,...
4706649 Selectively switched shading for daylighting and the like  
A unitary structure is provided comprises a frame, including perimeter portions, transparent panels, a pair of spaced rollers rotatable about parallel axes, and a sheet rolled up on the rollers....
4699448 Transparent optical conductor for reflecting and radiating out of the conductor light rays transmitted through the conductor  
A light radiator for effectively diffusing radiating light rays, transmitted through an optical conductor cable or the like, out of the optical conductor cable. The light radiator includes a...
4630892 Variable area light reflecting assembly  
Device for tracking daylight and projecting it into a building. The device tracks the sun and automatically adjusts both the orientation and area of the reflecting surface. The device may be...
4620771 Combined solar tracking reflector and photovoltaic panel  
A solar lighting apparatus is disclosed for illuminating the interior of roofed building while simultaneously generating electrical power from one or more photovoltaic panels secured to the...
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...
4572613 Method and apparatus for illuminating a spot inside of a tunnel of a highway  
A method for illuminating a spot inside a tunnel of a highway by the use of a solar ray collecting device which is to be used to focus a solar ray and guide it into an optical conductor. The solar...
4559925 Solar collector assembly  
A solar collector assembly designed for installation in a southerly facing wall in order to heat the interior of an enclosed structure. The assembly comprises a transparent window combined with an...
4525031 Solar light energy and electric lighting system and solar and electric light lamps used therein  
A solar energy and electric lighting system wherein when the solar energy is available as in the day-time, it is utilized for lighting through conventional electric lamps, but when no solar energy...
4498455 Glazing material  
A glazing material for the selected admittance, absorption and reflection of radiant solar energy consists of two series of planar members contiguously and alternately disposed along a common plane...
4496787 Method and device for collecting and exploiting solar radiation  
The method and apparatus of the invention are intended to collect, in the intermediary space comprised between the transparent cover and the absorbing receiver surfaces of a solar insolator, the...
4448187 Device for heating absorbent surfaces within an enclosed space with solar thermal radiation  
A device for reflecting solar thermal radiation through an easterly-westerly oriented window having a reflecting surface (16) hinged (19), (19a) along the north side of the window in a manner which...
4429952 Tracking reflector assembly for a skylight  
A tracking reflector assembly for a skylight includes a ring-shaped base member rotatably supported above the skylight by a plurality of rollers which engage a channel formed within an annular wall...
4351588 Process and means for controlling the radiant energies of the entire spectral range in rooms  
Using windows with reflectors and roof elements with a triangular pyramidal structure, the natural sun rays of the entire spectral range from infra-red to ultra-violet are spread at least in a...
4349245 Modular natural lighting system  
A modular natural lighting system having a microprocessor controlled heliostat which collects the sun's rays. The collected rays are directed towards a dielectric mirror that reflects visible solar...
4306769 Interior illumination apparatus using sunlight  
An apparatus for collecting sunlight and directing the collected sunlight into the interior of the building to provide illumination, so that the energy used for artificial illumination can be...
4198953 Solar illuminated energy conserving greenhouse  
The present invention in an energy conserving greenhouse involves an insulated and opaque structure whose inner walls are preferably formed, coated or colored to reflect visible light striking...
4130351 Radio-chromic combined absorbing reflecting and transmitting panel  
A radiant energy shade having a front panel of transparent sheet material pleated in parallel pleats, and a planar rear panel of radio-chromic sheet material which is normally transparent, but...
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...
4105293 Lighting installation based on light guide  
A lighting installation based on a light guide, comprising a light guide having two surfaces, one of said surfaces is presented to the space being lighted, and at least one light source positioned...
4040725 Display illuminating structure  
A structure for illuminating vertical displays such as pictures or the like includes a rectangular window in the ceiling whose front and rear edges are spaced from the display area so that lines...
4035539 Structural panel  
A panel of spaced, parallel, translucent, outer sheets of set plastic material with an inner sheet of corrugated sheet plastic disposed therebetween with the crests of the corrugations at the...
Matches 1 - 50 out of 59 1 2 >