FR584575A - Improvements to electric horns - Google Patents

Improvements to electric horns

Info

Publication number
FR584575A
FR584575A FR584575DA FR584575A FR 584575 A FR584575 A FR 584575A FR 584575D A FR584575D A FR 584575DA FR 584575 A FR584575 A FR 584575A
Authority
FR
France
Prior art keywords
electric horns
horns
electric
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
French (fr)
Inventor
Henri-Georges 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 FR584575A publication Critical patent/FR584575A/en
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)
FR584575D 1923-12-06 1924-08-06 Improvements to electric horns Expired FR584575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE584575X 1923-12-06

Publications (1)

Publication Number Publication Date
FR584575A true FR584575A (en) 1925-02-10

Family

ID=3873579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR584575D Expired FR584575A (en) 1923-12-06 1924-08-06 Improvements to electric horns

Country Status (1)

Country Link
FR (1) FR584575A (en)

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