FR608033A - Perfectionnements aux signaux avertisseurs acoustiques - Google Patents

Perfectionnements aux signaux avertisseurs acoustiques

Info

Publication number
FR608033A
FR608033A FR608033DA FR608033A FR 608033 A FR608033 A FR 608033A FR 608033D A FR608033D A FR 608033DA FR 608033 A FR608033 A FR 608033A
Authority
FR
France
Prior art keywords
warning signals
acoustic warning
acoustic
signals
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)
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.)
Klaxon SA
Original Assignee
Klaxon SA
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 Klaxon SA filed Critical Klaxon SA
Application granted granted Critical
Publication of FR608033A publication Critical patent/FR608033A/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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR608033D 1924-12-17 1925-12-16 Perfectionnements aux signaux avertisseurs acoustiques Expired FR608033A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB608033X 1924-12-17

Publications (1)

Publication Number Publication Date
FR608033A true FR608033A (fr) 1926-07-13

Family

ID=10486115

Family Applications (1)

Application Number Title Priority Date Filing Date
FR608033D Expired FR608033A (fr) 1924-12-17 1925-12-16 Perfectionnements aux signaux avertisseurs acoustiques

Country Status (1)

Country Link
FR (1) FR608033A (fr)

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