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JP4448562B2 |
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JP4447303B2 |
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JP4445881B2 |
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JP2010073396A |
To provide a high-efficiency natural lighting device which collects light such as sunlight by a lens, transmits the collected light to a necessary place through a light guide member such as an optical fiber, uses the light at the transmi...
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JP2010067565A |
To provide a daylighting prism sheet suppressing a rainbow pattern even under a low solar altitude condition, and achieves sufficient daylighting.The daylighting prism sheet is used in the daylighting device in which solar light is incid...
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JP4433542B2 |
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JP4427320B2 |
The constructive element for a walkable and/or travelable area inside or outside a building comprises at least one essentially transparent, approximately plate-shaped element (14) and a lighting device, which is arranged next to the plat...
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JP4422098B2 |
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JP4403529B2 |
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JP2009301762A |
To provide a low-cost manufacturing method of a thick plano-convex lens with a large diameter and a short focal length for a daylighting member at similar cost as that of a usual daylight window to condense light as efficiently as possib...
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JP2009289688A |
To achieve further utilization of a conventional means of utilizing irradiation of sunlight energy by solving the problem of difficulty in securing sufficient light amount due to the limit of its utilization only in partial range, wherei...
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JP2009272110A |
To provide a low-cost solar lighting device with low production cost of equipment and low mounting expenses, easy to maintain, and capable of being spread in ordinary families.For the solar lighting device comprising a light focusing par...
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JP2009266794A |
To solve problems in a size and outer appearance which are defects of conventional solar light collecting equipment, to allow construction on a general window, to introduce solar light in a room while preventing the hindering of view as ...
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JP2009258371A |
To constitute a light introducing device which efficiently introduces solar light incident from an optional direction at a large angle of incidence, a light converging unit which converges the introduced light, and a light converging dev...
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JP2009252584A |
To solve problems that although illumination by utilizing sunlight is a natural movement and there are various devices in which a conventional daylighting device normally illuminates brightly the downward location of the device or its ne...
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JP2009252570A |
To provide an optical duct for maintaining the smoothness and flatness of the reflective face over a long period.The optical duct includes a duct body D formed by combining a plurality of flat panel materials P. The flat panel material P...
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JP4351164B2 |
The present invention provides a light transfer component formed from a material that is transparent for light of a predetermined range of wavelengths. The light transfer component comprises a first substantially flat portion, a second r...
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JP4339579B2 |
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JP4331027B2 |
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JP4331029B2 |
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JP4333637B2 |
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JP4323869B2 |
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JP4320895B2 |
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JP2009176606A |
To provide an optical duct for sending light of color similar to natural light indoors and an optical duct system using the optical duct.The optical duct 10 is an optical duct for sending sunlight 20 indoors, and is formed by using a pol...
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JP4307131B2 |
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JP4305455B2 |
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JP2009161904A |
To provide a solar shading body which enables a light shielding body to be put into a light shielding attitude in the presence of solar insolation and put into a daylighting attitude in the absence of the solar insolation.A temperature s...
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JP2009164375A |
To provide a sun tracing device that eliminates the need to prepare two driving mechanisms for rotating and tilting a photodetection plate, has a simple structure, and is reducible in cost.The sun tracing device comprises a fixed table 3...
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JP4274654B2 |
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JP2009080215A |
To provide a solar lens capable of condensing sunlight in a predetermined range by a static lens, regardless of the altitude and direction of the sun.The solar lens is configured so that a cone-shaped auxiliary lens is coaxially embedded...
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JP2009062800A |
To provide constitution whereby the operating situation of a second electric illuminating light can be confirmed without providing the lighting glass on a vestibule door in the second electric illuminating light provided at the ceiling o...
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JP2009048785A |
To provide a sun tracking type sunlight illuminating device capable of always irradiating reflected light of incident sunlight to an arbitrary position fixed in advance.The sun tracking type sunlight illuminating device includes a rotary...
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JP4232853B1 |
To provide a sun tracking reflector which is inexpensive and easy to maintain by simplifying a mechanism for rotating the reflector so as to track the sun. A reflector 5 is attached to a gear shaft of a sensor-side gear 6 that rotates by...
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JP2009032654A |
To provide an optical duct device capable of suppressing the dazzle and brightness of an appearance when a person looks up a light emission port from the inside of a room or the like.The optical duct device 1 which is installed in a buil...
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JP2009009772A |
To provide a lighting device maintenable at a low height position such as a security lamp or a disaster-prevention lamp allowing maintenance to be easily carried out by local residents in, for instance, a neighborhood association or resi...
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JP2009501287A |
A light-transmitting roof panel assembly, having the same shape as adjoining metal roof panels in a standing seam metal roof, includes an outer transparent panel made of a polymeric material and an inner reinforcing panel made of perfora...
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JP4203500B2 |
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JP2008287920A |
To provide an optical duct device that can be installed even in a building such as houses with many constraints in installation space, and can efficiently convey natural light taken to places in the building, for effective combination wi...
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JP2008280779A |
To provide a living room with a light intensity adjustment function which has a simple constitution, and which awakes comfortably a sleeping person to obtain.The living room with the light intensity adjustment function is provided with a...
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JP2008277229A |
To maximally utilize an energy saving effect in a collective light distribution by direct lighting of a lamp light source and solar light by installing a lamp at the center from a lamp distribution type wherein lighting of conventional i...
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JP2008274696A |
To provide a habitable room with light control function capable of providing comfortable wake-up to a sleeper by a simple structure.This habitable room comprises: a sleeping space 2 for a person to sleep therein; a light space 4 formed o...
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JP4172956B2 |
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JP2008251468A |
To provide a condensing element with good lighting efficiency, and a small and inexpensive light-collecting device with good lighting efficiency.The condensing element is integrally provided on a substrate having a first refractive index...
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JP2008241101A |
To provide a ventilator having an air cleaning function capable of exciting a photocatalyst to deodor or sterilize air, using efficiently a natural light.This ventilator is provided with a light guide duct 101 for guiding the natural lig...
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JP3144716U |
To provide a fluctuating light generator for generating fluctuating light in which the amount of light fluctuates irregularly like sunlight through trees. A rocking body swinging by the wind generated by a fan 9 is provided in an optical...
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JP4148574B2 |
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JP4148575B2 |
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JP4129043B1 |
To provide an optical duct which has multiple functions such as being able to collect sunlight and introduce it into a room through a window of a building in addition to crime prevention (function of a surface grid) and does not get in t...
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JP4129042B1 |
To provide a light irradiation device capable of freely taking in sunlight into a building and reducing the size. A light irradiation device 1 has a light emitting unit 51 that collects sunlight from the outside of a house 10 and a light...
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JP2008112606A |
To provide a sunlight-collecting system with the energy saving and weight saving realized, by making a plurality of sunlight-collecting devices linked.The sunlight-collecting system A made by arraying a plurality of sunlight-collecting d...
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