FR788957A - Sirène mécanique - Google Patents

Sirène mécanique

Info

Publication number
FR788957A
FR788957A FR788957DA FR788957A FR 788957 A FR788957 A FR 788957A FR 788957D A FR788957D A FR 788957DA FR 788957 A FR788957 A FR 788957A
Authority
FR
France
Prior art keywords
mechanical siren
siren
mechanical
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)
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.)
L MAUGARS ATEL
Original Assignee
L MAUGARS ATEL
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 L MAUGARS ATEL filed Critical L MAUGARS ATEL
Application granted granted Critical
Publication of FR788957A publication Critical patent/FR788957A/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
    • G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR788957D 1935-04-17 1935-04-17 Sirène mécanique Expired FR788957A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR788957T 1935-04-17

Publications (1)

Publication Number Publication Date
FR788957A true FR788957A (fr) 1935-10-21

Family

ID=9219822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR788957D Expired FR788957A (fr) 1935-04-17 1935-04-17 Sirène mécanique

Country Status (1)

Country Link
FR (1) FR788957A (fr)

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