DE312157C - - Google Patents

Info

Publication number
DE312157C
DE312157C DENDAT312157D DE312157DA DE312157C DE 312157 C DE312157 C DE 312157C DE NDAT312157 D DENDAT312157 D DE NDAT312157D DE 312157D A DE312157D A DE 312157DA DE 312157 C DE312157 C DE 312157C
Authority
DE
Germany
Prior art keywords
wave
peaks
elevations
screen
lines
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
Application number
DENDAT312157D
Other languages
German (de)
English (en)
Publication date
Application granted granted Critical
Publication of DE312157C publication Critical patent/DE312157C/de
Expired legal-status Critical Current

Links

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)
  • Overhead Projectors And Projection Screens (AREA)
DENDAT312157D Expired DE312157C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE312157C true DE312157C (enrdf_load_stackoverflow) 1900-01-01

Family

ID=565106

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT312157D Expired DE312157C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE312157C (enrdf_load_stackoverflow)

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