FR48387E - Microphone overtaking indicator device for vehicles - Google Patents

Microphone overtaking indicator device for vehicles

Info

Publication number
FR48387E
FR48387E FR48387DA FR48387E FR 48387 E FR48387 E FR 48387E FR 48387D A FR48387D A FR 48387DA FR 48387 E FR48387 E FR 48387E
Authority
FR
France
Prior art keywords
microphone
vehicles
indicator device
overtaking
overtaking indicator
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.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch AG
Robert Bosch GmbH
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 Robert Bosch AG, Robert Bosch GmbH filed Critical Robert Bosch AG
Application granted granted Critical
Publication of FR48387E publication Critical patent/FR48387E/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)
FR48387D 1937-03-10 1937-03-10 Microphone overtaking indicator device for vehicles Expired FR48387E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR48387T 1937-03-10

Publications (1)

Publication Number Publication Date
FR48387E true FR48387E (en) 1938-02-03

Family

ID=8683736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR48387D Expired FR48387E (en) 1937-03-10 1937-03-10 Microphone overtaking indicator device for vehicles

Country Status (1)

Country Link
FR (1) FR48387E (en)

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