FR537846A - Improvements to display machines - Google Patents

Improvements to display machines

Info

Publication number
FR537846A
FR537846A FR537846DA FR537846A FR 537846 A FR537846 A FR 537846A FR 537846D A FR537846D A FR 537846DA FR 537846 A FR537846 A FR 537846A
Authority
FR
France
Prior art keywords
display machines
machines
display
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
Charles Cooper James
Georges Cooper James
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 FR537846A publication Critical patent/FR537846A/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
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/24—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies
    • G09F11/29—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies of a band other than endless
    • G09F11/295—Electric control therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR537846D 1920-05-08 1921-06-02 Improvements to display machines Expired FR537846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US537846XA 1920-05-08 1920-05-08

Publications (1)

Publication Number Publication Date
FR537846A true FR537846A (en) 1922-05-30

Family

ID=21986517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537846D Expired FR537846A (en) 1920-05-08 1921-06-02 Improvements to display machines

Country Status (1)

Country Link
FR (1) FR537846A (en)

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