FR876952A - Signal optique - Google Patents

Signal optique

Info

Publication number
FR876952A
FR876952A FR876952DA FR876952A FR 876952 A FR876952 A FR 876952A FR 876952D A FR876952D A FR 876952DA FR 876952 A FR876952 A FR 876952A
Authority
FR
France
Prior art keywords
optical signal
optical
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
English (en)
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.)
LUFTFAHRTGERATEWERK HAKENFELDE
Original Assignee
LUFTFAHRTGERATEWERK HAKENFELDE
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 LUFTFAHRTGERATEWERK HAKENFELDE filed Critical LUFTFAHRTGERATEWERK HAKENFELDE
Application granted granted Critical
Publication of FR876952A publication Critical patent/FR876952A/fr
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
    • G08B5/32—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving rectilinearly

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR876952D 1941-11-04 1941-11-04 Signal optique Expired FR876952A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR876952T 1941-11-04

Publications (1)

Publication Number Publication Date
FR876952A true FR876952A (fr) 1942-11-24

Family

ID=9360792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876952D Expired FR876952A (fr) 1941-11-04 1941-11-04 Signal optique

Country Status (1)

Country Link
FR (1) FR876952A (fr)

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