FR541507A - Switching device for illuminated signs - Google Patents

Switching device for illuminated signs

Info

Publication number
FR541507A
FR541507A FR541507DA FR541507A FR 541507 A FR541507 A FR 541507A FR 541507D A FR541507D A FR 541507DA FR 541507 A FR541507 A FR 541507A
Authority
FR
France
Prior art keywords
switching device
illuminated signs
illuminated
signs
switching
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
Elie Marre
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 FR541507A publication Critical patent/FR541507A/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)
FR541507D 1921-09-26 1921-09-26 Switching device for illuminated signs Expired FR541507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR541507T 1921-09-26

Publications (1)

Publication Number Publication Date
FR541507A true FR541507A (en) 1922-07-28

Family

ID=8930184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR541507D Expired FR541507A (en) 1921-09-26 1921-09-26 Switching device for illuminated signs

Country Status (1)

Country Link
FR (1) FR541507A (en)

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