BE438308A - - Google Patents

Info

Publication number
BE438308A
BE438308A BE438308DA BE438308A BE 438308 A BE438308 A BE 438308A BE 438308D A BE438308D A BE 438308DA BE 438308 A BE438308 A BE 438308A
Authority
BE
Belgium
Prior art keywords
warning device
reception
overtaking
warning
signal
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE438308A publication Critical patent/BE438308A/fr

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
BE438308D BE438308A (OSRAM)

Publications (1)

Publication Number Publication Date
BE438308A true BE438308A (OSRAM)

Family

ID=96563

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438308D BE438308A (OSRAM)

Country Status (1)

Country Link
BE (1) BE438308A (OSRAM)

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