FR763079A - Avertisseur sonore - Google Patents

Avertisseur sonore

Info

Publication number
FR763079A
FR763079A FR763079DA FR763079A FR 763079 A FR763079 A FR 763079A FR 763079D A FR763079D A FR 763079DA FR 763079 A FR763079 A FR 763079A
Authority
FR
France
Prior art keywords
buzzer
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)
Inventor
Armand Chatounovski
Valentin Chatounovski
Marc Chatounovski
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 filed Critical
Application granted granted Critical
Publication of FR763079A publication Critical patent/FR763079A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00—Whistles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR763079D 1933-01-19 1933-01-19 Avertisseur sonore Expired FR763079A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR763079T 1933-01-19

Publications (1)

Publication Number Publication Date
FR763079A true FR763079A (fr) 1934-04-23

Family

ID=9178714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR763079D Expired FR763079A (fr) 1933-01-19 1933-01-19 Avertisseur sonore

Country Status (1)

Country Link
FR (1) FR763079A (fr)

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