FR449292A - Cornet avertisseur - Google Patents

Cornet avertisseur

Info

Publication number
FR449292A
FR449292A FR449292DA FR449292A FR 449292 A FR449292 A FR 449292A FR 449292D A FR449292D A FR 449292DA FR 449292 A FR449292 A FR 449292A
Authority
FR
France
Prior art keywords
horn
horn horn
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
Charles Fredrick Sendall
Frank Menck Knauss
Charles Daniel Blatchford
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.)
FRANK MENCK KNAUSS
Original Assignee
FRANK MENCK KNAUSS
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 FRANK MENCK KNAUSS filed Critical FRANK MENCK KNAUSS
Application granted granted Critical
Publication of FR449292A publication Critical patent/FR449292A/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)
FR449292D 1912-09-28 1912-09-28 Cornet avertisseur Expired FR449292A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449292T 1912-09-28

Publications (1)

Publication Number Publication Date
FR449292A true FR449292A (fr) 1913-02-22

Family

ID=1489829

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449292D Expired FR449292A (fr) 1912-09-28 1912-09-28 Cornet avertisseur

Country Status (1)

Country Link
FR (1) FR449292A (fr)

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