FR795614A - Microphone overtaking indicator device for vehicles - Google Patents

Microphone overtaking indicator device for vehicles

Info

Publication number
FR795614A
FR795614A FR795614DA FR795614A FR 795614 A FR795614 A FR 795614A FR 795614D A FR795614D A FR 795614DA FR 795614 A FR795614 A FR 795614A
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 FR795614A publication Critical patent/FR795614A/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)
FR795614D 1934-08-09 1935-07-23 Microphone overtaking indicator device for vehicles Expired FR795614A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE795614X 1934-08-09

Publications (1)

Publication Number Publication Date
FR795614A true FR795614A (en) 1936-03-18

Family

ID=6710771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795614D Expired FR795614A (en) 1934-08-09 1935-07-23 Microphone overtaking indicator device for vehicles

Country Status (1)

Country Link
FR (1) FR795614A (en)

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