FR430317A - Sound alarm with siren - Google Patents

Sound alarm with siren

Info

Publication number
FR430317A
FR430317A FR430317DA FR430317A FR 430317 A FR430317 A FR 430317A FR 430317D A FR430317D A FR 430317DA FR 430317 A FR430317 A FR 430317A
Authority
FR
France
Prior art keywords
siren
sound alarm
alarm
sound
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
French (fr)
Inventor
Louis Krieger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR430317A publication Critical patent/FR430317A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR430317D 1911-05-30 1911-05-30 Sound alarm with siren Expired FR430317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR430317T 1911-05-30

Publications (1)

Publication Number Publication Date
FR430317A true FR430317A (en) 1911-10-13

Family

ID=1472573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR430317D Expired FR430317A (en) 1911-05-30 1911-05-30 Sound alarm with siren

Country Status (1)

Country Link
FR (1) FR430317A (en)

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