FR1027456A - Sound-producing instrument - Google Patents

Sound-producing instrument

Info

Publication number
FR1027456A
FR1027456A FR1027456DA FR1027456A FR 1027456 A FR1027456 A FR 1027456A FR 1027456D A FR1027456D A FR 1027456DA FR 1027456 A FR1027456 A FR 1027456A
Authority
FR
France
Prior art keywords
sound
producing instrument
instrument
producing
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)
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.)
Vinters Armstrongs Ltd
Original Assignee
Vickers Armstrongs Ltd
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 Vickers Armstrongs Ltd filed Critical Vickers Armstrongs Ltd
Application granted granted Critical
Publication of FR1027456A publication Critical patent/FR1027456A/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)
FR1027456D 1949-11-23 1950-11-08 Sound-producing instrument Expired FR1027456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1027456X 1949-11-23

Publications (1)

Publication Number Publication Date
FR1027456A true FR1027456A (en) 1953-05-12

Family

ID=10868946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1027456D Expired FR1027456A (en) 1949-11-23 1950-11-08 Sound-producing instrument

Country Status (1)

Country Link
FR (1) FR1027456A (en)

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