FR775515A - Improvements to warning devices for vehicles - Google Patents

Improvements to warning devices for vehicles

Info

Publication number
FR775515A
FR775515A FR775515DA FR775515A FR 775515 A FR775515 A FR 775515A FR 775515D A FR775515D A FR 775515DA FR 775515 A FR775515 A FR 775515A
Authority
FR
France
Prior art keywords
vehicles
warning devices
warning
devices
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR775515A publication Critical patent/FR775515A/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
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR775515D 1933-09-27 1933-09-27 Improvements to warning devices for vehicles Expired FR775515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR775515T 1933-09-27

Publications (1)

Publication Number Publication Date
FR775515A true FR775515A (en) 1934-12-31

Family

ID=9200488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775515D Expired FR775515A (en) 1933-09-27 1933-09-27 Improvements to warning devices for vehicles

Country Status (1)

Country Link
FR (1) FR775515A (en)

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