AT192148B - Reflex-Projektionsschirm für erhellte Räume - Google Patents

Reflex-Projektionsschirm für erhellte Räume

Info

Publication number
AT192148B
AT192148B AT192148DA AT192148B AT 192148 B AT192148 B AT 192148B AT 192148D A AT192148D A AT 192148DA AT 192148 B AT192148 B AT 192148B
Authority
AT
Austria
Prior art keywords
projection screen
reflex
lighted
rooms
lighted rooms
Prior art date
Application number
Other languages
English (en)
Inventor
Walter Dipl Ing Dr Techn Hesse
Manfred Dipl Ing Reiffenstein
Original Assignee
Walter Dipl Ing Dr Techn Hesse
Manfred Dipl Ing Reiffenstein
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Walter Dipl Ing Dr Techn Hesse, Manfred Dipl Ing Reiffenstein filed Critical Walter Dipl Ing Dr Techn Hesse
Application granted granted Critical
Publication of AT192148B publication Critical patent/AT192148B/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AT192148D 1955-07-07 1955-07-07 Reflex-Projektionsschirm für erhellte Räume AT192148B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT192148T 1955-07-07

Publications (1)

Publication Number Publication Date
AT192148B true AT192148B (de) 1957-09-25

Family

ID=3665749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT192148D AT192148B (de) 1955-07-07 1955-07-07 Reflex-Projektionsschirm für erhellte Räume

Country Status (1)

Country Link
AT (1) AT192148B (de)

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