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Original Assignee
Individual
Publication date
Priority to DEB106560DpriorityCriticalpatent/DE411067C/de
Application grantedgrantedCritical
Publication of DE411067CpublicationCriticalpatent/DE411067C/de
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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Cell Electrode Carriers And Collectors
(AREA)
Overhead Projectors And Projection Screens
(AREA)
Description
Abb. i.
Claims (1)
P ATENT-Anspruch:
Verfahren zum Herstellen von Bildschirmen, die aus einem Maschengewebe mit
aufgeklebter Metallfolie bestehen, dadurch gekennzeichnet, daß die Metallfolie, bevor
der Klebstoff getrocknet ist, mittels nachgiebiger Walzen in die Maschenfelder des
Gewebes gedrückt wird, so daß kleine Hohlspiegel in Größe der Maschen entstehen.
Abb. 2.
DEB106560DVerfahren zur Herstellung von Bildschirmen
ExpiredDE411067C
(de)