FR415909A - Appareil de télégraphie optique - Google Patents

Appareil de télégraphie optique

Info

Publication number
FR415909A
FR415909A FR415909DA FR415909A FR 415909 A FR415909 A FR 415909A FR 415909D A FR415909D A FR 415909DA FR 415909 A FR415909 A FR 415909A
Authority
FR
France
Prior art keywords
optical
telegraphy
telegraphy device
optical telegraphy
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
English (en)
Inventor
Otto Gellineck
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.)
OTTO GELLINECK
Original Assignee
OTTO GELLINECK
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 OTTO GELLINECK filed Critical OTTO GELLINECK
Application granted granted Critical
Publication of FR415909A publication Critical patent/FR415909A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR415909D 1910-05-12 1910-05-12 Appareil de télégraphie optique Expired FR415909A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR415909T 1910-05-12

Publications (1)

Publication Number Publication Date
FR415909A true FR415909A (fr) 1910-10-07

Family

ID=1459460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR415909D Expired FR415909A (fr) 1910-05-12 1910-05-12 Appareil de télégraphie optique

Country Status (1)

Country Link
FR (1) FR415909A (fr)

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