DE221425C - - Google Patents
Info
- Publication number
- DE221425C DE221425C DENDAT221425D DE221425DA DE221425C DE 221425 C DE221425 C DE 221425C DE NDAT221425 D DENDAT221425 D DE NDAT221425D DE 221425D A DE221425D A DE 221425DA DE 221425 C DE221425 C DE 221425C
- Authority
- DE
- Germany
- Prior art keywords
- room
- thrown
- rays
- direct light
- diffusely
- 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.)
- Active
Links
- 238000005286 illumination Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Gegenstand der Erfindung ist eine Lampe zur diffusen Beleuchtung eines Raumes, mittels welcher die Aussendung eines verstärkten Lichtstromes von der Lichtquelle aus in einer bestimmten Richtung ermöglicht wird, um eine bestimmte Stelle in dem diffus beleuchteten Raum mit direkten Lichtstrahlen zu beleuchten, wie dies z. B. zum Beleuchten einer Wandtafel in einem Zeichensaal u. dgl. wünsehenswert ist.The invention relates to a lamp for diffuse lighting of a room by means of which the emission of an amplified luminous flux from the light source in a certain direction is enabled to a certain point in the diffusely lit. To illuminate a room with direct light rays, as z. B. to illuminate a Blackboard in a drawing room and the like is worth seeing.
Nach der Erfindung ist die Lampe mit einer unterhalb der Lichtquelle angebrachten Reflektorschale ausgestattet, die an der Stelle, nach welcher hin direktes Licht ausgesendet werden soll, entsprechend weit abgeschnitten ist. ·According to the invention, the lamp is attached with one below the light source Equipped with reflector shell, which emits direct light at the point to which it is directed is to be cut off accordingly. ·
Auf der Zeichnung ist die neue Einrichtung in einer Ausführungsform in Fig. 1 in senkrechtem Schnitt und in Fig. 2 in einer oberen Ansicht dargestellt.In the drawing, the new device is in one embodiment in Fig. 1 in the vertical Section and shown in Fig. 2 in an upper view.
Die Reflektorschale a, in der als Lichtquelle eine Anzahl von Gasglühlichtlampen, z. B. vier, ein- oder zweireihig angeordnet sind, ist bei b rechtwinklig zu der Richtungslinie des auszusendenden direkten Lichtstrahlenbündels abgeschnitten, so daß direkte Lichtstrahlen in der durch Pfeile angedeuteten Richtung von der Lichtquelle zur stärkeren Beleuchtung, z. B. einer Wandtafel, in dem sonst durch Lichtreflexion von der Decke c aus diffus erleuchteten Raum ausgehen können.The reflector shell a, in which a number of gas incandescent lamps, z. B. four, are arranged in one or two rows, is cut at b at right angles to the direction line of the direct light beam to be emitted, so that direct light rays in the direction indicated by arrows from the light source for stronger illumination, z. B. a blackboard, in which otherwise can go out by light reflection from the ceiling c from a diffusely lit room.
Je nachdem man den Reflektorschalenabschnitt kleiner oder größer macht, erhält man einen mehr oder weniger spitzen Kegel direkter Lichtstrahlen zur verstärkten direkten Beleuchtung größerer oder kleinerer Flächen.Depending on how you make the reflector shell section smaller or larger, you get a more or less pointed cone of direct light rays for increased direct lighting larger or smaller areas.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE221425C true DE221425C (en) |
Family
ID=482398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT221425D Active DE221425C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE221425C (en) |
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0
- DE DENDAT221425D patent/DE221425C/de active Active
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