FR1388369A - Compressed gas siren - Google Patents

Compressed gas siren

Info

Publication number
FR1388369A
FR1388369A FR968656A FR968656A FR1388369A FR 1388369 A FR1388369 A FR 1388369A FR 968656 A FR968656 A FR 968656A FR 968656 A FR968656 A FR 968656A FR 1388369 A FR1388369 A FR 1388369A
Authority
FR
France
Prior art keywords
compressed gas
gas siren
siren
compressed
gas
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
FR968656A
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.)
Kockums Mekaniska Verkstads AB
Original Assignee
Kockums Mekaniska Verkstads AB
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 Kockums Mekaniska Verkstads AB filed Critical Kockums Mekaniska Verkstads AB
Priority to FR968656A priority Critical patent/FR1388369A/en
Application granted granted Critical
Publication of FR1388369A publication Critical patent/FR1388369A/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
    • G10K7/00—Sirens
    • 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
FR968656A 1964-03-25 1964-03-25 Compressed gas siren Expired FR1388369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR968656A FR1388369A (en) 1964-03-25 1964-03-25 Compressed gas siren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR968656A FR1388369A (en) 1964-03-25 1964-03-25 Compressed gas siren

Publications (1)

Publication Number Publication Date
FR1388369A true FR1388369A (en) 1965-02-05

Family

ID=8826342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR968656A Expired FR1388369A (en) 1964-03-25 1964-03-25 Compressed gas siren

Country Status (1)

Country Link
FR (1) FR1388369A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609827A1 (en) * 1987-01-16 1988-07-22 Electricite De France Method and device for reducing the noise radiated by an instrumentation wall at the dominant harmonic component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609827A1 (en) * 1987-01-16 1988-07-22 Electricite De France Method and device for reducing the noise radiated by an instrumentation wall at the dominant harmonic component

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