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| Number | Title | Issue Date |
| 8184372 | Low numerical aperture (low-NA) solar lighting system A low numerical aperture (low-NA) light concentration and transmission system collects, concentrates and transmits light for interior illumination. A solar tracker aligns a primary light concentrator to collect light and direct the light to a secondary light concent... | 05/22/2012 |
| 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 |
| 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 the sun's position in the sky during daylight hours, a heat separation ... | 03/04/2008 |
| 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 |
| 7231128 | Hybrid solar lighting systems and components A hybrid solar lighting system and components having at least one hybrid solar concentrator, at least one fiber receiver, at least one hybrid luminaire, and a light distribution system operably connected to each hybrid solar concentrator and each hybrid luminaire. A... | 06/12/2007 |
| 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 |
| 7177079 | Method and overhead system for performing a plurality of therapeutic functions within a room A system and method for providing biosynchronized therapy to a patient that creates a therapeutic environment and therapeutic stimulations that are sensitive to psychological and sensory human issues, including those particular to the patient, and that reduce psycho... | 02/13/2007 |
| 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. The multilayer optical film exhibits low absorptivity and can reflect l... | 12/12/2006 |
| 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 the shroud to selectively block the skylight. The axles can ride on a c... | 08/01/2006 |
| 6980728 | Optical element having total reflection An optical element (1) for reflecting and/or redirecting light rays (L1) entering therein and again emerging therefrom consists of a transparent base body (2) which is so structured and/or formed that, with the formation of reflection surfaces (... | 12/27/2005 |
| 6924014 | High efficiency optical devices Optical devices according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow an... | 08/02/2005 |
| 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 the light incident on the body towards the playing surface in the stadi... | 03/29/2005 |
| 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 an improved power generation efficiency without making the device gr... | 10/05/2004 |
| 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 frame. The state of the power switch of the binoculars is detected. ... | 03/30/2004 |
| 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 redirecting segment comprise the bottom surface of the light slat. The day... | 03/30/2004 |
| 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 small relative to the difference in refractive indices of sai... | 11/04/2003 |
| 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 motor and a secondary battery. The stepping motor has a mo... | 12/10/2002 |
| 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, the mini-optical light shelf is a passive, static optical ... | 11/12/2002 |
| 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 different refractive indices. At least one surface of the laminat... | 10/15/2002 |
| 6433932 | 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 motor and a secondary battery. The stepping motor has a mo... | 08/13/2002 |
| 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 passageway having a specularly reflective interior surface an... | 04/02/2002 |
| 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 a sun-tracking element and a first reflector, which are p... | 01/22/2002 |
| 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 particular, the mini-optical light shelf is a passive, static optica... | 05/29/2001 |
| 6210785 | 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 small relative to the difference in refractive indices of sai... | 04/03/2001 |
| 6201643 | Internal natural light delivery system An internal natural light delivery system collects light rays through a series of reflective surfaces redirects the light to an internal area of such building. The system includes a collector and a first reflector positioned adjacent a translucent structu... | 03/13/2001 |
| 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 avoiding having to make a wide roof opening for installati... | 01/30/2001 |
| 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 first parabolic reflector having a hole formed centrally ther... | 10/03/2000 |
| 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 comprises optical transmission modifying panels and radiati... | 01/18/2000 |
| 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 reflector includes a plurality of angled mirrors mounted one ... | 12/07/1999 |
| 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 cups or other mounting structure. The mirror is capable of ... | 11/09/1999 |
| 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 |
| 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 material means covering the inside surfaces of the hollow... | 02/10/1998 |
| 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 |
| 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 structure for supporting a reflector above the aperture. Ac... | 07/15/1997 |
| 5461496 | Light transmitting panels, and methods for adjusting the natural lighting quantity and range using any of the light transmitting panels The present invention relates to light transmitting panels mainly applied to lighting windows in openings of general buildings and lighting quantity or range adjusting methods for interiors of general buildings using any of the light transmitting panels. ... | 10/24/1995 |
| 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 holographic elements. The incident light may either by focused on... | 08/13/1991 |
| 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 with the conditions of the object to be radiated, is descr... | 01/15/1991 |
| 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 the building. A sensor keeps the principal reflector align... | 12/18/1990 |
| 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 first axis. A first sensing mechanism is provided for sen... | 12/13/1988 |
| 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, fiberoptics, prisms, and mirrors. The system incorporates a c... | 01/19/1988 |
