EP0461137B1 - Systeme deflecteur de lumiere pour l'eclairage d'interieur - Google Patents

Systeme deflecteur de lumiere pour l'eclairage d'interieur Download PDF

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Publication number
EP0461137B1
EP0461137B1 EP90903589A EP90903589A EP0461137B1 EP 0461137 B1 EP0461137 B1 EP 0461137B1 EP 90903589 A EP90903589 A EP 90903589A EP 90903589 A EP90903589 A EP 90903589A EP 0461137 B1 EP0461137 B1 EP 0461137B1
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EP
European Patent Office
Prior art keywords
light
deflecting system
light source
artificial
reflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90903589A
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German (de)
English (en)
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EP0461137A1 (fr
Inventor
Helmut KÖSTER
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Individual
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Individual
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Priority claimed from DE19893906229 external-priority patent/DE3906229A1/de
Priority claimed from DE19893916688 external-priority patent/DE3916688A1/de
Application filed by Individual filed Critical Individual
Publication of EP0461137A1 publication Critical patent/EP0461137A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S19/00—Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
    • F21S19/005—Combining sunlight and electric light sources for indoor illumination
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B2009/2417—Light path control; means to control reflection

Definitions

  • the invention relates to a light control system according to the preamble of patent claim 1.
  • passive light control systems In the course of the increased use of solar energy to deal with energy problems, passive light control systems have become increasingly important. With such passive systems, for. B. controlled the sunlight so that it is let through in winter and reflected in summer. As a result, active heating elements in winter and active cooling elements in summer can be dispensed with or at least greatly reduced.
  • a transparent protective roof made of prism glass is arranged above the shop window, which is opposed by an inclined mirror (DE-B-517 827).
  • the light falling through the canopy is directed to the exhibits in the shop window.
  • the mirror reflects both artificial and natural light, the entire lighting device is very complex because it requires a bulky canopy.
  • a method for light distribution in a closed room with at least one window facade as a space limitation in which the window of the window facade is divided horizontally into two unequal parts, namely into a translucent upper window and into a transparent viewing window (DE-A-37 29 553).
  • the light is directed through the upper window approximately horizontally or slightly directed against a reflective ceiling surface, while the light flowing in through the viewing window is deflected upward behind the reflective ceiling surface.
  • the disadvantage of this known method is the division into two window parts, because this division requires horizontally aligned and projecting beams and slats.
  • a light collector is provided on the outside of the building in front of the light channel and a band-shaped light distribution device adjoining the light channel for distributing and guiding the daylight into the interior of the room.
  • This light distribution device can additionally be provided with an artificial light strip.
  • a disadvantage of this device is that the space is reduced by the suspended ceiling and an externally projecting light collector is required.
  • the same disadvantage also applies to another known device for illuminating interior spaces, in which a transparent ceiling is suspended under the building ceiling (DE-A-35 23 523).
  • Another known method for controlling the radiation energy in the entire spectral range in rooms is intended to create the most advantageous conditions in terms of light, heat and sound in the entire room without using external energy (EP-B-0 020 296).
  • both rays generated in the room as well as rays radiated through the window and deflected in the direction of the ceiling by reflectors in the area of the ceiling are formed by pyramids with a triangular base and with alternately raised and recessed tips Reflectors mainly deflected backwards into the depth of the room and sideways into the room width.
  • the disadvantage here is that the ceiling must be hidden with prism-like structures.
  • optical means are used which are suitable for directing incident light from the zenith towards the workstation by deflection (CH-A-194 867).
  • These optical means consist of two reflectors arranged one above the other, the lower one catching the zenith light and deflecting it towards the upper reflector, which throws it into the work area at the required angle.
  • This device is not suitable for directing artificial light that is generated in the room itself.
  • a device for generating indirect light which has U-shaped reflector elements in which fluorescent tubes are arranged (US-A-4 388 675).
  • this device cannot be used instead of a conventional window pane.
  • a device for increasing the lighting with natural light in which a series of fully or partially reflecting blinds or slats are arranged in such a way that they reflect the natural light downwards from their underside (DE-A-34 21 063 ).
  • this device is not suitable for reflecting artificial light into a room in a predetermined manner.
  • the invention has for its object to provide a light control device that directs both daylight and artificial light simultaneously so that there is always indirect lighting.
  • the advantage achieved by the invention is in particular that even and indirect illumination of a room is possible both during the day and in the evening and at night without having to use bulky light deflection systems.
  • FIG. 1 shows a section through an interior 1 with a ceiling 2, two first side walls 3, 4 and two second side walls, of which only one side wall 5 is visible, and with a floor 6.
  • a light-guiding system 7 according to the invention which has a plurality of reflectors 8 to 13 which are arranged parallel to one another and one above the other and within double glazing with the two panes 14, 15.
  • an artificial lighting 16 which has a curved reflector 17 and a linear light source, for. B. contains a fluorescent lamp 18.
  • the reflector 17 is white or reflective on its top. For example, it is made of aluminum with a shiny metallic surface or a comparable material.
  • the light from the fluorescent lamp 18 reaches reflector surfaces 19 to 23 of the reflectors 8 to 13 on the room side and is reflected back from there into the room 1, which is indicated by the light beams 24, 25, 26.
  • the light 28 coming from the sun 27 is also deflected by the light directing system 7, depending on the angle of incidence either to the ceiling 2 or back out again.
  • the function of the light control system 7 is thus, for. B. to shade a window workplace and the light - regardless of whether artificial or daylight - to the ceiling 2 or in the depth of the room. Due to the double function of the light control system 7, constant lighting can also be easily produced. For this purpose, only the artificial light source 18 needs to be controlled depending on the outside brightness. As daylight becomes stronger or weaker, artificial light can become weaker or stronger. Instead of regulating a single tube, which is simple with filament tubes but difficult with fluorescent lamps, several tubes can also be switched on in stages. Regardless of the daylight intensity, a daylight state can thus be obtained without having to immediately switch to a night situation that uses more energy than is actually required for daytime illumination. The daylight-dependent control can be done manually. However, it makes sense to regulate via a photocell 29, which, for. B. is arranged in the interior at the deepest point.
  • An essential feature of the invention is the close spatial-optical relationship between the artificial light 16 and the window zone with the light control system 7.
  • window surfaces viewed from the interior, are regarded as black surfaces, ie they are practically ineffective as reflectors, because that light striking it is lost to the outside.
  • the window surface is illuminated from below with artificial light. The illumination takes place at the smallest possible angle so that no artificial light penetrates the outside.
  • FIG. 2 shows a vertical section through a roof space 30, of which three walls 31, 32, 33 and a light guiding system 34 can be seen as a sloping roof.
  • the light directing system 34 is in turn installed between two panes 35, 36 and contains a plurality of reflectors 37 to 51 which are designed as reflector profiles with at least one outwardly directed reflector surface 52 and one inwardly directed reflector surface 53.
  • Artificial lighting 54 which consists of a lamp 55 and a reflector 56 in the manner of a reflection screen, is arranged below the light control system 34 at a distance of at most one meter. The artificial light 54 shines again from below or obliquely on the light control system 34. If the artificial light 54 in the interior in the dashed position 54 ', 55', 56 'shifted, the beneficial effect would no longer exist because the artificial light through the light control system 34 would penetrate to the outside and be lost, which is indicated by the light beam 257.
  • FIG. 3 shows a section through an interior space 57 in which a light control system 58 is constructed in such a way that it is transparent to the high sky radiation 59, 60.
  • the artificial lighting 61 is installed at the top, i. H. the artificial light is radiated obliquely from above onto the light-guiding system 58 and from there reflected into the interior 57, which is indicated by the light rays 62 to 64.
  • the oblique action of the light control system 58 thus takes place from a direction from which the sky or the outside space are not visible.
  • the light control systems always consist of individual reflective profiles. These are completely or partially mirrored, depending on whether there is diffuse light scattering or exact light control. So z. B. the reflector parts acted upon directly by the sun 27 usefully form reflecting in order to be able to exercise precise control over the passage of light, while the reflector parts 53 acted upon by artificial light z. B. can be white reflective, whereby a diffuse light distribution to the interior is achieved.
  • prisms could also be provided in the light directing system, but at least the prism side exposed to the artificial light must be designed to be reflective. Prism rods or prism plates could preferably serve as prisms.
  • a prismatic plate consists of a translucent plate that has prismatic shapes on at least one side.
  • FIG. 4 shows the cross section through a light guiding system 65 in the air space of an insulating glazing with two panes 66, 67.
  • This light guiding system 65 again consists of several reflectors 68 to 78, which essentially consist of three reflector parts 79, 80, 81.
  • the reflector part 79 is parabolically curved and extends from the inner wall of the glass pane 66 to the inner wall of the glass pane 67.
  • the reflector part 80 adjoins one end of the reflector part 79 and is approximately half the size of the reflector part 79. It runs in an angle of approximately 25 degrees downwards and is connected at its end to the third reflector part 81, which is perpendicular to the reflector part 79.
  • a fluorescent tube 82 which is flanked on both sides by a reflector 83, 84, which is designed in the same way as the reflectors 68 to 78 and approximately at the same height there are two further reflectors 85, 86, which are constructed in the same way.
  • the lamp 82 is an arbitrary emitter such.
  • the spotlight can consist of a large number of individual light sources or, in the case of a neon tube, also of an elongated spotlight. It would also be conceivable to arrange several light sources side by side or one above the other.
  • the reflectors 83 to 86 have at least one reflective surface 87 to 90 which is in optical connection with the lamp 82.
  • the reflecting surfaces 87 to 90 are positioned such that the light of the lamp 82 striking them is either reflected or reflected on the light directing system 65 and / or on a ceiling 91.
  • the reflectors 83 to 86 have a profile shape and also serve to direct the light of certain rays 92 through the reflector system 65 onto the floor level.
  • the reflector parts 79 of the light directing system 65 are mirrors which do not reflect low incident solar radiation 93 into the interior and high incident solar radiation 94 into the interior.
  • the reflector parts 80 are also mirrored, but aligned with the interior, so that they reflect the rays 95 to 100 coming from the lamp 82 back into the interior.
  • the reflected rays 101 to 103, 92, 104 can strike the ceiling or the floor level in the interior, for example.
  • the reflectors 68 to 78 of the light directing system 65 are all shown identically in terms of their shape and orientation in FIG. 4. However, it would also be quite conceivable to shape the reflectors differently and / or to orient them differently in order to achieve further lighting effects.
  • the light radiation 105 penetrating through the light control system 65 is collected by a reflector 85 of the artificial light illumination 106 and redirected to the light control system 65 or to the ceiling 91.
  • the advantage of this construction is that the light radiation does not penetrate to the work place and therefore can not cause annoying glare effects.
  • the optical coupling of the light directing system 65 with the reflectors 83 to 86 of the artificial light illumination 106 allows the reflectors 68 to 78 of the light directing system to be arranged at a greater distance from one another in order to have a better view outside, but without having to accept undesired glare effects.
  • the reflectors 83 to 86 of the artificial lighting 106 thus become part of the light control system 65. It is therefore also important that the reflectors 83 to 86 may be extended beyond the lamp 82 and lie in front of the light control system 65 as a band for this dual function to be able to perceive.
  • FIG. 5 A device according to the invention is shown in FIG. 5, in which a light directing system 107 serves as a skylight window zone.
  • the light directing system 107 in turn has a row of reflectors 108 to 112, which are located between two glass panes 113, 114.
  • the entire system 107 is fitted into a window frame 115, 116 which abuts a stop 117.
  • An artificial light source 218 is flanged to the frame 116 and consists of a reflector 119 and a lamp 120.
  • a conventional insulating glazing 121 is provided below the stop 117.
  • the design of the reflector 119 which is part of the light 123, 124 of the lamp 120 directs the light control system 107.
  • the artificial light is therefore deliberately radiated into the daylight entry opening - a process that is usually avoided as far as possible.
  • Another part 125, 126 of the light is radiated directly into the interior towards the ceiling 118.
  • the artificial light source 218 is shown in more detail with a window frame 129.
  • a window casement 130 with conventional insulating glazing 131 abuts the window frame 129 on the underside and a window casement 132 which supports the light control system 107 on the upper side.
  • the artificial light source 218 is flanged onto a projection 133 of the window frame 129 by means of a box 134.
  • the reflector 119 of the artificial light source 218 is placed around the lamp 120 as an involute / involute 135 and then extends to a point 136. From this point 136 on, the first reflector section 137 is extended by a second reflector section 138, which has just been constructed. Depending on the requirement, this section 138 could also be circular or parabolic.
  • the first section as an involute or involute, the light 139, 140 of the lamp 120 is radiated to the window, while the floor level is shaded.
  • the embodiment of FIG. 6 makes the advantage of the reflection system according to the invention clear.
  • the artificial light source 218 can be made so flat that it can be screwed onto the projection 133, so that it is possible to open and close the upper and / or lower window sash 132, 130.
  • the height of the box 134 is less than 5.5 cm, d. H. the artificial light source 218 can be screwed onto any conventional frame bar construction.
  • a portion 142, 143, 144 of the light is radiated directly into the room by the reflector 119.
  • FIG. 7 shows a further embodiment of an artificial light source 145.
  • a twin tube 146, 147 is surrounded by a reflector section 148, which extends from the twin tube 146, 147 to a point 149.
  • This reflector section 148 is not constructed as an involute or involute, but nevertheless has an involute or involute-like shape.
  • a second reflector section 150 which extends from point 149 to end point 151, is parabolic.
  • the reflector elements are used mathematically as an involute, i.e. H. a projective representation of a cluster of points, lines, planes or hyperplanes in itself, or as an involute, d. H. as a flat curve that can be obtained by constructing the tangents in all points of a given curve and removing the length of the arc on them from the point of contact to a certain fixed point on the curve.
  • the light control system according to the invention is not limited to special dimensions. However, if it is used for normal living or office space, its dimensions are determined by the usual room size. In this case it is advantageous to arrange the artificial light source at a distance of less than 0.5 m from the window area (FIG. 1) or less than 1 m in the roof area (FIG. 2, FIG. 3).
  • the light-reflecting elements are always shown as rigidly arranged profiles which form a solid structural unit with two glass panes.
  • this embodiment is particularly advantageous - cf. for example the production of such profiles according to German patent application P 40 01 471.1 - the invention is nevertheless not restricted to this.
  • controllable slats are also detected, the relative angular position of which, for. B. can be changed by cable or the like. It is only essential here that the slats can be brought into such an angular position that they reflect the illuminating artificial light into the room without simultaneously blocking the daylight.
  • the light-reflecting elements are arranged in a vertical axis which runs parallel to two flat glass panes. Rather, it would also be possible to have the axis of the light-reflecting elements run obliquely to the flat glass panes.
  • the individual elements would be arranged one above the other like a roof tile, but in contrast to the conventional roof tiles an intermediate space between the elements would be provided, which the Allow natural outside light to pass through.
  • the lateral offset in a parallel plane would result in a section projecting beyond the element arranged below. This section could radiate artificial light shining vertically from bottom to top into the interior, ie it would be possible to install the artificial light source itself in the space formed by the two glass panes.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (19)

  1. Système déflecteur de lumière pour l'éclairage d'une pièce d'intérieur, comportant un dispositif de déviation de lumière, qui réfléchit dans la pièce d'intérieur aussi bien de la lumière naturelle venant de l'extérieur que de la lumière artificielle venant de l'intérieur,
    caractérisé en ce que,
    le dispositif de déviation de lumière (7, 34, 58, 107) présente plusieurs éléments (8 à 13; 37 à 51), disposés parallèlement l'un à l'autre, qui ont respectivement entre eux un écartement tel que de la lumière peut, à travers cet écartement, pénétrer dans une pièce d'intérieur (1) en provenance d'un espace extérieur, en ce que ces éléments (8 à 13; 37 à 51) possèdent au moins une surface réfléchissante (53; 80) dirigée vers la pièce d'intérieur (1) et en ce qu'il est prévu une source de lumière artificielle (16, 54, 61, 82 à 86, 218), qui émet un rayonnement sur les surfaces réfléchissantes (53, 80) dirigées vers la pièce d'intérieur (1) sans qu'un rayonnement direct provenant de la source de lumière artificielle (16, 54, 61, 82 à 86, 218) n'accède à l'extérieur.
  2. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les surfaces réfléchissantes sont formées par des éléments opaques.
  3. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les surfaces réfléchissantes sont formées par des prismes métallisés.
  4. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que la source de lumière artificielle (16, 54, 82 à 86, 218) est disposée à hauteur de l'élément réflecteur de lumière le plus bas (8, 37, 68, 128).
  5. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que la source de lumière artificielle (61) est disposée à hauteur de l'élément réflecteur de lumière le plus haut.
  6. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les éléments réflecteurs de lumière (8 à 13; 37 à 51; 68 à 78; 108 à 112, 127, 128) sont disposés entre deux vitres transparentes (4, 14 ; 66, 67; 113, 114) qui, de leur côté, sont entourées par un châssis de battant (115, 116), auquel la source de lumière artificielle (218) est fixée.
  7. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les éléments réflecteurs de lumière (127, 128) sont disposés entre deux vitres transparentes (113, 114) et sont entourés par un châssis de battant (132), ce châssis de battant (132) heurtant une butée (129, 133), à laquelle la source de lumière artificielle (218) est fixée.
  8. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que la source de lumière artificielle (16, 54, 61, 82 à 86, 218) renferme une source de lumière (18, 55, 120) et un réflecteur (17, 56, 119).
  9. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que la source de lumière artificielle (106) renferme une source de lumière (82) et plusieurs réflecteurs (83 à 86).
  10. Système déflecteur de lumière selon la revendication 8 ou 9, caractérisé en ce que la source de lumière (18, 15, 82, 120) est une source de lumière linéaire, par exemple un tube fluorescent.
  11. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que l'intensité lumineuse de la source de lumière artificielle (16, 54, 61, 82 à 86, 218) est réglée en fonction de la luminosité dans la pièce d'intérieur.
  12. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que la source de lumière artificielle (16, 54, 61, 82 à 86, 218) émet un rayonnement sur la totalité de la surface intérieure du dispositif de déviation de lumière (7, 34, 58, 107).
  13. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que tous les éléments réflecteurs de lumière (8 à 13, 37 à 51) sont exposés à un rayonnement sensiblement de même intensité lumineuse, en provenance de la source de lumière artificielle (16, 54, 61, 82 à 86, 218).
  14. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que la source de lumière artificielle (145) renferme plusieurs sources de lumière (146, 147), qui peuvent être mises en service et hors service.
  15. Système déflecteur de lumière selon la revendication 8, caractérisé en ce que le réflecteur (119) présente au moins un tronçon (137) qui est réalisé sous la forme d'une courbe involvante ou d'une développante et en ce qu'à ce tronçon (137), se raccorde un tronçon rectiligne (138).
  16. Système déflecteur de lumière selon la revendication 8, caractérisé en ce que le réflecteur (145) présente un tronçon (148) en forme de courbe involvante ou de développante, auquel se raccorde un tronçon parabolique (150).
  17. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les surfaces réfléchissantes (53, 80), dirigées vers la pièce d'intérieur (1), réfléchissent la lumière de la source de lumière artificielle (16, 54, 61, 82 à 86, 218) sur le plafond (2, 91, 118) de la pièce d'intérieur (1).
  18. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les éléments (8 à 13; 37 à 51) sont agencés d'une façon telle qu'ils réfléchissent la lumière venant de l'espace extérieur sur le plafond (2, 91, 118) de la pièce d'intérieur (1).
  19. Système déflecteur de lumière selon la revendication 1, caractérisé en ce que les éléments (8 à 13; 37 à 51) présentent chacun deux surfaces réfléchissantes dirigées vers l'extérieur (51, 52), une surface réfléchissante d'un premier élément (51) réfléchissant la lumière venant de l'extérieur sur une deuxième surface réfléchissante d'un deuxième élément (50).
EP90903589A 1989-02-28 1990-02-27 Systeme deflecteur de lumiere pour l'eclairage d'interieur Expired - Lifetime EP0461137B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19893906229 DE3906229A1 (de) 1989-02-28 1989-02-28 Indirektbeleuchtung unterstuetztes tageslichtsystem
DE3906229 1989-02-28
DE3916688 1989-05-23
DE19893916688 DE3916688A1 (de) 1989-05-23 1989-05-23 Indirektbeleuchtung unterstuetztes tageslichtsystem
PCT/DE1990/000131 WO1990010176A1 (fr) 1989-02-28 1990-02-27 Systeme deflecteur de lumiere pour l'eclairage d'interieur

Publications (2)

Publication Number Publication Date
EP0461137A1 EP0461137A1 (fr) 1991-12-18
EP0461137B1 true EP0461137B1 (fr) 1995-05-17

Family

ID=25878279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90903589A Expired - Lifetime EP0461137B1 (fr) 1989-02-28 1990-02-27 Systeme deflecteur de lumiere pour l'eclairage d'interieur

Country Status (7)

Country Link
US (1) US5293305A (fr)
EP (1) EP0461137B1 (fr)
AT (1) ATE122772T1 (fr)
AU (1) AU643429B2 (fr)
CA (1) CA2045410A1 (fr)
DE (1) DE59009101D1 (fr)
WO (1) WO1990010176A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007017003A1 (fr) * 2005-07-29 2007-02-15 Koester Helmut Façade de verre utilisee comme ecran media
DE10016587B4 (de) * 2000-04-04 2012-06-28 Helmut Köster Lichtlenksystem für die Kunst- und Tageslichtbeleuchtung eines Innenraumes
DE102005028655B4 (de) * 2005-06-20 2015-07-23 Helmut Köster Medienfassade

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211085A1 (de) * 1992-04-03 1993-10-07 Koester Helmut Lichtlenkelemente für Tageslicht
AU657749B2 (en) * 1992-04-23 1995-03-23 Ian Robert Edmonds Permanently fixed collimation devices which combine the function of shading and daylighting building interiors
DE4310717A1 (de) * 1993-04-01 1994-10-06 Koester Helmut Lichtlenkelemente für Tageslicht
DE4429888C3 (de) * 1994-08-24 2003-11-27 Helmut Koester Leuchten-Reflektordecken-Einheit
DE59507392D1 (de) * 1995-09-07 2000-01-13 Siteco Beleuchtungstech Gmbh Raumbeleuchtungsanordnung mit Tages- und Kunstlicht
US5655339A (en) 1996-08-09 1997-08-12 Odl, Incorporated Tubular skylight with improved dome
ATE227821T1 (de) * 1996-09-19 2002-11-15 Siteco Beleuchtungstech Gmbh Raumbeleuchtungsanordnung
US6239910B1 (en) 1999-02-12 2001-05-29 Architectural Energy Corporation Mini-optical light shelf daylighting system
US6870673B2 (en) * 2001-06-22 2005-03-22 Virginia Tech Intellectual Properties, Inc. Method and overhead system for performing a plurality of therapeutic functions within a room
US6988525B2 (en) * 2003-06-19 2006-01-24 Paul Moulton Light shelf blind
US7397984B2 (en) * 2005-11-01 2008-07-08 Hewlett-Packard Development Company, L.P. Light guide screen louver device
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Also Published As

Publication number Publication date
CA2045410A1 (fr) 1990-08-29
ATE122772T1 (de) 1995-06-15
AU5154090A (en) 1990-09-26
AU643429B2 (en) 1993-11-18
EP0461137A1 (fr) 1991-12-18
DE59009101D1 (de) 1995-06-22
US5293305A (en) 1994-03-08
WO1990010176A1 (fr) 1990-09-07

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