DE301423C - - Google Patents
Info
- Publication number
- DE301423C DE301423C DENDAT301423D DE301423DA DE301423C DE 301423 C DE301423 C DE 301423C DE NDAT301423 D DENDAT301423 D DE NDAT301423D DE 301423D A DE301423D A DE 301423DA DE 301423 C DE301423 C DE 301423C
- Authority
- DE
- Germany
- Prior art keywords
- color
- projection screen
- screen
- berlin
- viewed
- 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
Links
- 241000031711 Cytophagaceae Species 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printing Methods (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
PATENTSCHRIFTPATENT LETTERING
■- JVr 301423 KLASSE 42 h. GRUPPE■ - JVr 301423 CLASS 42 h. GROUP
BODO HUCH in BERLIN-STEGLITZ.BODO HUCH in BERLIN-STEGLITZ.
Projektionsschirm. Patentiert im Deutschen Reiche vom 16. September 1913 ab.Projection screen. Patented in the German Empire on September 16, 1913.
Die vorliegende Erfindung soll den Zweck haben, die Vorführung kinematographischer Lichtbilder nicht nur im abgeschlossenen, dunkeln Raum, sondern auch im Hellen zu ermöglichen. Der hierbei zur Anwendung kommende Projektionsschirm besteht aus einem Dreifarbenraster, wie es bei der bekannten Dreifarbenphotdgraphie, z. B. nach Lumiere, verwandt wird; er ist also transparent (Glas)The purpose of the present invention is to enable the demonstration of cinematographic Light images not only in a closed, dark room, but also in light enable. The projection screen used here consists of one Three-color raster, as is the case with the known three-color photgraphy, e.g. B. according to Lumiere, is used; so it is transparent (glass)
ίο und trägt eine Farbrasterschicht. Diese Farbrasterschicht besteht aus zwei oder drei oder mehr komplementären Farben (etwa violett, grün, orange), die in der Aufsicht betrachtet, schwarz erscheinen, in der Durchsicht einen weißlichen Farbton ergeben. Wenn man auf diesen so hergestellten Projektionsschirm von der Rückseite unter Abschluß des fremden Lichtes ein Lichtbild projiziert, so erscheinen die durchleuchteten Stellen des Schirmes hell, die anderen schwarz.ίο and has a color grid layer. This color grid layer consists of two or three or more complementary colors (such as purple, green, orange) which, when viewed from above, appear black, result in a whitish hue when viewed through. When you on this projection screen produced in this way from the rear with the closure of the foreign Projecting a light image, the illuminated areas of the screen appear bright, the others black.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE301423C true DE301423C (en) | 1900-01-01 |
Family
ID=555300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT301423D Expired DE301423C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE301423C (en) |
-
0
- DE DENDAT301423D patent/DE301423C/de not_active Expired
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