FR616317A - Electrical device for illuminated announcements - Google Patents

Electrical device for illuminated announcements

Info

Publication number
FR616317A
FR616317A FR616317DA FR616317A FR 616317 A FR616317 A FR 616317A FR 616317D A FR616317D A FR 616317DA FR 616317 A FR616317 A FR 616317A
Authority
FR
France
Prior art keywords
announcements
illuminated
electrical device
electrical
illuminated announcements
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
Hans Kristian Thomas Lindquist
Charles Valdemar Madsen
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 FR616317A publication Critical patent/FR616317A/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)
FR616317D 1926-05-18 1926-05-18 Electrical device for illuminated announcements Expired FR616317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR616317T 1926-05-18

Publications (1)

Publication Number Publication Date
FR616317A true FR616317A (en) 1927-01-31

Family

ID=8981510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616317D Expired FR616317A (en) 1926-05-18 1926-05-18 Electrical device for illuminated announcements

Country Status (1)

Country Link
FR (1) FR616317A (en)

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