FR535844A - Semaphore signal for rotary line switch - Google Patents

Semaphore signal for rotary line switch

Info

Publication number
FR535844A
FR535844A FR535844DA FR535844A FR 535844 A FR535844 A FR 535844A FR 535844D A FR535844D A FR 535844DA FR 535844 A FR535844 A FR 535844A
Authority
FR
France
Prior art keywords
line switch
rotary line
semaphore signal
semaphore
signal
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR535844A publication Critical patent/FR535844A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/24—Visible signalling systems, e.g. personal calling systems, 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
    • G08B5/30—Visible signalling systems, e.g. personal calling systems, 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 rotating or oscillating members, e.g. vanes

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR535844D 1920-06-02 1921-05-20 Semaphore signal for rotary line switch Expired FR535844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US535844XA 1920-06-02 1920-06-02

Publications (1)

Publication Number Publication Date
FR535844A true FR535844A (en) 1922-04-21

Family

ID=21985253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR535844D Expired FR535844A (en) 1920-06-02 1921-05-20 Semaphore signal for rotary line switch

Country Status (1)

Country Link
FR (1) FR535844A (en)

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