FR368502A - Automatic device for electric signs - Google Patents

Automatic device for electric signs

Info

Publication number
FR368502A
FR368502A FR368502DA FR368502A FR 368502 A FR368502 A FR 368502A FR 368502D A FR368502D A FR 368502DA FR 368502 A FR368502 A FR 368502A
Authority
FR
France
Prior art keywords
automatic device
electric signs
signs
electric
automatic
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
Henri Gruyelle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENRI GRUYELLE
Original Assignee
HENRI GRUYELLE
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 HENRI GRUYELLE filed Critical HENRI GRUYELLE
Application granted granted Critical
Publication of FR368502A publication Critical patent/FR368502A/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)
FR368502D 1906-07-28 1906-07-28 Automatic device for electric signs Expired FR368502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR368502T 1906-07-28

Publications (1)

Publication Number Publication Date
FR368502A true FR368502A (en) 1906-12-01

Family

ID=1415565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR368502D Expired FR368502A (en) 1906-07-28 1906-07-28 Automatic device for electric signs

Country Status (1)

Country Link
FR (1) FR368502A (en)

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