FR41701E - Avertisseur sonore - Google Patents

Avertisseur sonore

Info

Publication number
FR41701E
FR41701E FR41701DA FR41701E FR 41701 E FR41701 E FR 41701E FR 41701D A FR41701D A FR 41701DA FR 41701 E FR41701 E FR 41701E
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
Gentilhomme
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 FR41701E publication Critical patent/FR41701E/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
    • G10K7/00—Sirens
    • G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR41701D 1930-07-16 1930-07-16 Avertisseur sonore Expired FR41701E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41701T 1930-07-16

Publications (1)

Publication Number Publication Date
FR41701E true FR41701E (fr) 1933-03-29

Family

ID=8677832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41701D Expired FR41701E (fr) 1930-07-16 1930-07-16 Avertisseur sonore

Country Status (1)

Country Link
FR (1) FR41701E (fr)

Similar Documents

Publication Publication Date Title
FR695991A (fr) Moteur-tracteur-bécheur
FR701854A (fr) Avertisseur sonore
FR696598A (fr) Focomètre
FR41701E (fr) Avertisseur sonore
FR699058A (fr) Aéromoteur
FR694326A (fr) Verrou-serrure incrochetable
FR39072E (fr) Fourneau-chaudière
FR698766A (fr) Filmpack
FI12941A (fi) Väljare
FR693058A (fr) Classeur-biblorhapte
FR694003A (fr) Tracto-faucheuse-moissonneuse
FR695709A (fr) Hydrochenille
FR703123A (fr) Hourdis-coffrage
FR691098A (fr) étireuse-peigneuse
FR689675A (fr) Concasseur-calibreur
FR41900E (fr) Rato-botteleuse
FR40429E (fr) Radiodéphaseur
FR39931E (fr) Frotteur-broyeur-mélangeur-diviseur
FR38202E (fr) Mélangeur-diviseur
FI12916A (fi) Mjölkningsmaskin
FI13036A (fi) Pressvals
FI13071A (fi) Rotationsmaskin
FI13107A (fi) Barkningsmaskin
FI13124A (fi) Radiomottagningsapparat
FI13147A (fi) Mätkanna