FR439203A - Perfectionnement aux trompes sonores mécaniques - Google Patents

Perfectionnement aux trompes sonores mécaniques

Info

Publication number
FR439203A
FR439203A FR439203DA FR439203A FR 439203 A FR439203 A FR 439203A FR 439203D A FR439203D A FR 439203DA FR 439203 A FR439203 A FR 439203A
Authority
FR
France
Prior art keywords
improvement
mechanical sound
sound tubes
tubes
mechanical
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
Francois Zaionczkowski
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.)
FRANCOIS ZAIONCZKOWSKI
Original Assignee
FRANCOIS ZAIONCZKOWSKI
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 FRANCOIS ZAIONCZKOWSKI filed Critical FRANCOIS ZAIONCZKOWSKI
Application granted granted Critical
Publication of FR439203A publication Critical patent/FR439203A/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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR439203D 1912-01-11 1912-01-11 Perfectionnement aux trompes sonores mécaniques Expired FR439203A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR439203T 1912-01-11

Publications (1)

Publication Number Publication Date
FR439203A true FR439203A (fr) 1912-06-08

Family

ID=1480657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR439203D Expired FR439203A (fr) 1912-01-11 1912-01-11 Perfectionnement aux trompes sonores mécaniques

Country Status (1)

Country Link
FR (1) FR439203A (fr)

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