CH175488A - Nichtspiegelnder Projektionsschirm für die Projektion im durchfallenden Licht, insbesondere zur Verwendung in Verbindung mit Fensterscheiben wie Schaufensterscheiben. - Google Patents

Nichtspiegelnder Projektionsschirm für die Projektion im durchfallenden Licht, insbesondere zur Verwendung in Verbindung mit Fensterscheiben wie Schaufensterscheiben.

Info

Publication number
CH175488A
CH175488A CH175488DA CH175488A CH 175488 A CH175488 A CH 175488A CH 175488D A CH175488D A CH 175488DA CH 175488 A CH175488 A CH 175488A
Authority
CH
Switzerland
Prior art keywords
projection
connection
transmitted light
window panes
shop windows
Prior art date
Application number
Other languages
English (en)
Inventor
Hempel Gustav
Original Assignee
Hempel Gustav
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 Hempel Gustav filed Critical Hempel Gustav
Publication of CH175488A publication Critical patent/CH175488A/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
    • G03B21/62—Translucent screens
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
CH175488D 1934-01-20 1934-01-20 Nichtspiegelnder Projektionsschirm für die Projektion im durchfallenden Licht, insbesondere zur Verwendung in Verbindung mit Fensterscheiben wie Schaufensterscheiben. CH175488A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH175488T 1934-01-20

Publications (1)

Publication Number Publication Date
CH175488A true CH175488A (de) 1935-02-28

Family

ID=4426278

Family Applications (1)

Application Number Title Priority Date Filing Date
CH175488D CH175488A (de) 1934-01-20 1934-01-20 Nichtspiegelnder Projektionsschirm für die Projektion im durchfallenden Licht, insbesondere zur Verwendung in Verbindung mit Fensterscheiben wie Schaufensterscheiben.

Country Status (1)

Country Link
CH (1) CH175488A (de)

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