FR760286A - - Google Patents

Info

Publication number
FR760286A
FR760286A FR760286DA FR760286A FR 760286 A FR760286 A FR 760286A FR 760286D A FR760286D A FR 760286DA FR 760286 A FR760286 A FR 760286A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR760286A publication Critical patent/FR760286A/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
    • G10K9/02—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)
FR760286D Expired FR760286A (ja)

Publications (1)

Publication Number Publication Date
FR760286A true FR760286A (ja) 1934-02-20

Family

ID=1551008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR760286D Expired FR760286A (ja)

Country Status (1)

Country Link
FR (1) FR760286A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658470A (en) * 1950-02-02 1953-11-10 Nathan Mfg Corp Sound producing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658470A (en) * 1950-02-02 1953-11-10 Nathan Mfg Corp Sound producing device

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