FR1239690A - Improvements to electric sirens - Google Patents

Improvements to electric sirens

Info

Publication number
FR1239690A
FR1239690A FR17496A FR59017496A FR1239690A FR 1239690 A FR1239690 A FR 1239690A FR 17496 A FR17496 A FR 17496A FR 59017496 A FR59017496 A FR 59017496A FR 1239690 A FR1239690 A FR 1239690A
Authority
FR
France
Prior art keywords
sirens
electric
electric sirens
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
FR17496A
Other languages
French (fr)
Inventor
Gerard-Marie-Joseph Odoux
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 filed Critical
Priority to FR17496A priority Critical patent/FR1239690A/en
Application granted granted Critical
Publication of FR1239690A publication Critical patent/FR1239690A/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
    • G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
    • G10K7/04—Sirens in which the sound-producing member is rotated manually or by a motor by an electric motor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR17496A 1959-11-03 1959-11-03 Improvements to electric sirens Expired FR1239690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR17496A FR1239690A (en) 1959-11-03 1959-11-03 Improvements to electric sirens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR17496A FR1239690A (en) 1959-11-03 1959-11-03 Improvements to electric sirens

Publications (1)

Publication Number Publication Date
FR1239690A true FR1239690A (en) 1960-08-26

Family

ID=8579051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17496A Expired FR1239690A (en) 1959-11-03 1959-11-03 Improvements to electric sirens

Country Status (1)

Country Link
FR (1) FR1239690A (en)

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