FR517954A - Improvements to sound-producing instruments powered by internal combustion engines - Google Patents

Improvements to sound-producing instruments powered by internal combustion engines

Info

Publication number
FR517954A
FR517954A FR517954A FR517954DA FR517954A FR 517954 A FR517954 A FR 517954A FR 517954 A FR517954 A FR 517954A FR 517954D A FR517954D A FR 517954DA FR 517954 A FR517954 A FR 517954A
Authority
FR
France
Prior art keywords
sound
internal combustion
combustion engines
producing instruments
instruments powered
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
FR517954A
Other languages
French (fr)
Inventor
George Constantinesco
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR517954A publication Critical patent/FR517954A/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
    • G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
    • G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR517954A 1920-04-27 1920-06-25 Improvements to sound-producing instruments powered by internal combustion engines Expired FR517954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB517954X 1920-04-27

Publications (1)

Publication Number Publication Date
FR517954A true FR517954A (en) 1921-05-18

Family

ID=10461403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517954A Expired FR517954A (en) 1920-04-27 1920-06-25 Improvements to sound-producing instruments powered by internal combustion engines

Country Status (1)

Country Link
FR (1) FR517954A (en)

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