FR50656E - Perfectionnements aux avertisseurs sonores - Google Patents

Perfectionnements aux avertisseurs sonores

Info

Publication number
FR50656E
FR50656E FR50656DA FR50656E FR 50656 E FR50656 E FR 50656E FR 50656D A FR50656D A FR 50656DA FR 50656 E FR50656 E FR 50656E
Authority
FR
France
Prior art keywords
audible warning
warning devices
audible
devices
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 FR50656E publication Critical patent/FR50656E/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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/20—Sounding members

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR50656D 1939-02-10 1939-02-10 Perfectionnements aux avertisseurs sonores Expired FR50656E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50656T 1939-02-10

Publications (1)

Publication Number Publication Date
FR50656E true FR50656E (fr) 1941-02-20

Family

ID=8685633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50656D Expired FR50656E (fr) 1939-02-10 1939-02-10 Perfectionnements aux avertisseurs sonores

Country Status (1)

Country Link
FR (1) FR50656E (fr)

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