FR557641A - Apparatus for the production of changing electroluminous effects - Google Patents

Apparatus for the production of changing electroluminous effects

Info

Publication number
FR557641A
FR557641A FR557641DA FR557641A FR 557641 A FR557641 A FR 557641A FR 557641D A FR557641D A FR 557641DA FR 557641 A FR557641 A FR 557641A
Authority
FR
France
Prior art keywords
electroluminous
changing
effects
production
electroluminous effects
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
Luis Cornet Pla
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 FR557641A publication Critical patent/FR557641A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/004—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes to give the appearance of moving signs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR557641D 1922-10-20 1922-10-20 Apparatus for the production of changing electroluminous effects Expired FR557641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR557641T 1922-10-20

Publications (1)

Publication Number Publication Date
FR557641A true FR557641A (en) 1923-08-11

Family

ID=8941011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557641D Expired FR557641A (en) 1922-10-20 1922-10-20 Apparatus for the production of changing electroluminous effects

Country Status (1)

Country Link
FR (1) FR557641A (en)

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