FR989211A - Avertisseur radio-sonore - Google Patents

Avertisseur radio-sonore

Info

Publication number
FR989211A
FR989211A FR989211DA FR989211A FR 989211 A FR989211 A FR 989211A FR 989211D A FR989211D A FR 989211DA FR 989211 A FR989211 A FR 989211A
Authority
FR
France
Prior art keywords
radio horn
horn
radio
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.)
Automobiles Citroen SA
Original Assignee
Andre Citroen SA
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 Andre Citroen SA filed Critical Andre Citroen SA
Application granted granted Critical
Publication of FR989211A publication Critical patent/FR989211A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR989211D 1944-02-15 1944-02-15 Avertisseur radio-sonore Expired FR989211A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989211T 1944-02-15

Publications (1)

Publication Number Publication Date
FR989211A true FR989211A (fr) 1951-09-06

Family

ID=9540091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989211D Expired FR989211A (fr) 1944-02-15 1944-02-15 Avertisseur radio-sonore

Country Status (1)

Country Link
FR (1) FR989211A (fr)

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