FR618362A - Improvements made to warning tables - Google Patents

Improvements made to warning tables

Info

Publication number
FR618362A
FR618362A FR618362DA FR618362A FR 618362 A FR618362 A FR 618362A FR 618362D A FR618362D A FR 618362DA FR 618362 A FR618362 A FR 618362A
Authority
FR
France
Prior art keywords
improvements made
warning
tables
warning tables
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
Louis-Joseph-Jean-Ba Cheneau
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 FR618362A publication Critical patent/FR618362A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/24—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane
    • G08B5/28—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with hinged flap or arm

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR618362D 1925-06-19 1926-06-18 Improvements made to warning tables Expired FR618362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE618362X 1925-06-19

Publications (1)

Publication Number Publication Date
FR618362A true FR618362A (en) 1927-03-08

Family

ID=3875581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR618362D Expired FR618362A (en) 1925-06-19 1926-06-18 Improvements made to warning tables

Country Status (1)

Country Link
FR (1) FR618362A (en)

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