FR718867A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR718867A
FR718867A FR718867DA FR718867A FR 718867 A FR718867 A FR 718867A FR 718867D A FR718867D A FR 718867DA FR 718867 A FR718867 A FR 718867A
Authority
FR
France
Prior art keywords
projection device
projection
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
Other languages
English (en)
Inventor
Bernhard Plambeck
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 filed Critical
Application granted granted Critical
Publication of FR718867A publication Critical patent/FR718867A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR718867D 1931-03-09 1931-06-19 Appareil de projection Expired FR718867A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE718867X 1931-03-09

Publications (1)

Publication Number Publication Date
FR718867A true FR718867A (fr) 1932-01-29

Family

ID=6627054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718867D Expired FR718867A (fr) 1931-03-09 1931-06-19 Appareil de projection

Country Status (1)

Country Link
FR (1) FR718867A (fr)

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