FR450043A - Sirène avertisseuse - Google Patents

Sirène avertisseuse

Info

Publication number
FR450043A
FR450043A FR450043DA FR450043A FR 450043 A FR450043 A FR 450043A FR 450043D A FR450043D A FR 450043DA FR 450043 A FR450043 A FR 450043A
Authority
FR
France
Prior art keywords
warning siren
siren
warning
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
English (en)
Inventor
Gaston-Marius-Charles Andre
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.)
GASTON MARIUS CHARLES ANDRE
Original Assignee
GASTON MARIUS CHARLES ANDRE
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 GASTON MARIUS CHARLES ANDRE filed Critical GASTON MARIUS CHARLES ANDRE
Application granted granted Critical
Publication of FR450043A publication Critical patent/FR450043A/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
    • G10K7/00—Sirens
    • G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR450043D 1912-10-22 1912-10-22 Sirène avertisseuse Expired FR450043A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR450043T 1912-10-22

Publications (1)

Publication Number Publication Date
FR450043A true FR450043A (fr) 1913-03-13

Family

ID=1490514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR450043D Expired FR450043A (fr) 1912-10-22 1912-10-22 Sirène avertisseuse

Country Status (1)

Country Link
FR (1) FR450043A (fr)

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