FR571280A - Light projection device for all applications - Google Patents

Light projection device for all applications

Info

Publication number
FR571280A
FR571280A FR571280DA FR571280A FR 571280 A FR571280 A FR 571280A FR 571280D A FR571280D A FR 571280DA FR 571280 A FR571280 A FR 571280A
Authority
FR
France
Prior art keywords
applications
projection device
light projection
light
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
French (fr)
Inventor
Maurice-Louis Branger
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 FR571280A publication Critical patent/FR571280A/en
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)
FR571280D 1923-09-14 1923-09-14 Light projection device for all applications Expired FR571280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR571280T 1923-09-14

Publications (1)

Publication Number Publication Date
FR571280A true FR571280A (en) 1924-05-14

Family

ID=8950445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571280D Expired FR571280A (en) 1923-09-14 1923-09-14 Light projection device for all applications

Country Status (1)

Country Link
FR (1) FR571280A (en)

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