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FR711236A - Improvements made to order or signal transmission installations - Google Patents

Improvements made to order or signal transmission installations

Info

Publication number
FR711236A
FR711236A FR711236DA FR711236A FR 711236 A FR711236 A FR 711236A FR 711236D A FR711236D A FR 711236DA FR 711236 A FR711236 A FR 711236A
Authority
FR
France
Prior art keywords
order
signal transmission
improvements made
transmission installations
installations
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.)
Emile Regnier SA Des Ets
Original Assignee
Emile Regnier SA Des Ets
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 Emile Regnier SA Des Ets filed Critical Emile Regnier SA Des Ets
Application granted granted Critical
Publication of FR711236A publication Critical patent/FR711236A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR711236D 1931-02-05 1931-02-05 Improvements made to order or signal transmission installations Expired FR711236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR711236T 1931-02-05

Publications (1)

Publication Number Publication Date
FR711236A true FR711236A (en) 1931-09-05

Family

ID=9074929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR711236D Expired FR711236A (en) 1931-02-05 1931-02-05 Improvements made to order or signal transmission installations

Country Status (1)

Country Link
FR (1) FR711236A (en)

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