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7428101 Optical retardation plate and method of manufacturing the same  
A dielectric substrate having a refractive index n 1 is covered with an amorphous dielectric medium having a refractive index n 2 larger than the refractive index n 1 , and a rectangular grating...
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...
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...
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...
6699559 Honeycomb transparent insulation with improved insulating ability  
An inorganic particulate, having strong absorption in the thermal infrared region of the radiative spectrum and low absorption in the solar or visible portion of the radiative spectrum, is combined...
6580559 Element for lighting rooms by selective daylight guidance and method of manufacturing such an element  
What is described here is a method and an element of lighting rooms by selective guidance of daylight, comprising an optically transparent main body through which the light is incident into the...
6490403 Rolled metal product used as a light-guiding structure  
A process for manufacturing a panel light-guiding element, including the step of rolling a metal body of one of aluminum and an aluminum alloy in at least one pass between at least two rolls to...
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...
6389216 Rolled metal product used as a light-guiding structure  
A light-guiding panel element arrangeable on a wall or a ceiling for lighting purposes. The light-guiding panel element including a walled metal body having at least one structured surface as a...
6239910 Mini-optical light shelf daylighting system  
The mini-optical light shelf is a daylighting system implemented in the paradigm of a window treatment that is applicable to both new installations as well as existing window glazing. In...
6134842 Integrated window/light shelf system  
A window/light shelf system enhances the daylight illumination with no glare. The air space between the double panes of the window is enlarged, and a mini blind-like, light reflective or absorbing,...
6129438 Skin light exposure control methods  
A method to improve the probability for good health and decrease the risk of cancer and disease comprising: controlling the indoor spectral radiation environment partial body exposure in an amount...
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...
5982562 Lenses formed by arrays of reflectors  
A lens, suitable for directing radiation, comprises an array of planar reflecting elements or slats. Each reflecting element is of non-uniform extent or surface area t and/or is of non-uniformly...
5802784 Window apparatus for providing and directing glare-free sunlight to a room  
A stack of light-deflecting elements are installed in a window. Each deflecting element has a solar ray inlet, a curved middle section and an end comprising a ray outlet into the room. Each element...
5675487 System for controlling energy through window  
Energy control system for a window comprises fenestration blinds, horizontal or vertical, disposed at the window and adjustable in angle to control solar radiation entering the window. First and...
5617780 Daylight reducer for food crop storage building  
The present invention is a sunlight reducing cover for intake and exhaust louvers on a food crop storage building. The invention also decreases the likelihood of ice formation or dirt fouling of...
5579163 Method and apparatus for producing spectral displays  
A method and apparatus for projecting multiple patches of full spectrum, rainbow colors to multiple, widely distributed locations is provided. The invention enables the display of such patches on a...
5434706 Transmission type screen and method of manufacturing thereof  
A lenticular lens provided on the viewer side of a transmission type screen is composed of at least two layers, that is, a surface layer and a base layer at least one of which contains a light...
5388000 Anti-glare fitment  
Anti-glare fitment with a plurality of elongate light-deflecting slats which are arranged above one another, at a distance from each other, are reflective on their upper surface and preferably have...
5285315 Apparatus and method for optimizing useful sunlight reflected into a room  
A comprehensive method, and apparatus implementing the method, for providing beam daylighting to a room by one or more reflectors positioned in a window wall of the room. The method involves a...
5204777 Energy efficient skylight and blind  
An energy-efficient barrier uses thin slats, on one side of which are formed a number of reflective surfaces. The reflective surfaces are oriented at an angle, with respect to the face of the slat,...
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...
5117811 Concentric lighting and air conditioning fixture  
A passive solar ray lighting fixture supported above a roof of a building and extending coaxially within a building light well, a solar ray illuminator in combination with a coaxially arranged air...
4989952 Transparent light deflecting panel for daylighting rooms  
A method for producing a transparent light deflecting panel comprising making a series of parallel cuts in a sheet of transparent solid material with a laser cutting tool. Said panel when...
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...
4978181 Sunshade  
A sunshade composed of a transparent substrate, a first base and a second base which are provided on the both surfaces of the substrate, an infrared ray-reflecting layer which is provided on the...
4899491 Sun filter for a louver panel  
A sun filter for a glass louver panel is disclosed which filters out the heat, glare and the ultraviolet rays which normally penetrate through the glass. The sun filter is formed of a resilient,...
4890900 Solar corrugation with shield  
A solar corrugation with shield, which is a stationary device with no moving parts, controls the transmission of solar radiant energy on a supply and demand relationship throughout the seasons of...
4841672 Device for protection from the sun  
A solar protection device includes slats of refractive material rotatable about a longitudinal axis, having an even, flat upper side and having on their lower side prisms arranged serially without...
4820020 Passive daylighting system  
A passive daylighting system having a number of reflectors arranged in vertical and horizontal arrays above a lightwell arranged to increase reflected solar insolation during certain periods in the...
4788094 Light controlling sheet  
The disclosure relates to a light controlling sheet for use with indicators which includes a louver element including an arbitrary pattern of walls which are parallel to each other and opaque so as...
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...
4634222 Natural-light illumination enhancement assembly  
A louvred reflector 10 (FIG. 1) comprises an array of wholly or partially reflecting louvres of which two adjacent louvres 12,13 are shown in the Figure. Each said louvre, when viewed short-edge on...
4576440 Skylight with a remotely operable light intensity reducing mechanism  
A skylight structure having a light shaft enclosure is provided with a light intensity reducing translucent panel which is selectively movable from a remote location between a first position...
4522467 Window having sunshade prismatic bars  
With roof windows of any inclination and orientation, it should be possible to adjust the sunshade effect throughout the year and to have at the same time a good transparence to daylight. For this...
4519675 Selectively light transmitting panel  
A one layer panel which transmits rays of light incident at a range of angles of incidence while reflecting rays of light incident within a narrow range of angles of incidence, comprising a...
4517960 Protection device against solar light  
Known protection devices against solar light have orientable slats of translucent material with, on the inside, a plurality of conical prisms. With such an arrangement, the closure field obtained...
4509825 Directing and controlling the distribution of radiant energy  
The invention is directed to controllably directing radiant light for illumination purposes.
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...
4475536 Solar collector-skylight assembly  
A solar collector-skylight assembly having movable parabolic concentrators wherein, in one position the parabolic concentrators direct solar energy to a collector to heat fluid circulating...
4337754 Solar reflector and heat storage device  
A passive solar system is disclosed having a plurality of heat storage trays mounted adjacent to a window and arranged to absorb relatively low angled radiation and to reject relatively high angled...
4313650 Apparatus for controlling light and heat transference for greenhouses  
Apparatus for controlling light and heat transference to and from a greenhouse comprising a plurality of light-weight, rigid, insulative, slats operable to be selectively opened or closed in...
4304218 Solar energy collector  
The solar collector comprises a plurality of direction adjustable elongated parabolic reflectors arranged side by side. Along the focus of the reflectors are tubes for a heat collecting medium. The...
4227774 Panel for controlling light passage  
A panel for controlling light passage, suitable for use as a windscreen, a window pane, or as a windscreen portion of vertical, south facing solar collection devices. The panel includes finned...
4223663 Ceiling mounted solar heat collector  
A portion of a suspended ceiling in a room is in the form of an open grid of reflective louvers, those facing a window being curved. A flexible bag containing a mixture including Glaubers salt is...
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...
4128307 Device for controlling the incidence of heat and light radiation, particularly for greenhouses and the like  
A device for controlling the incidence of heat and light radiation on a growing area of a greenhouse or the like comprises slats of a non-self-supporting material which are tensioned to hold them...
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...
Matches 1 - 50 out of 135 1 2 3 >