FR937373A - Perfectionnement apporté aux avertisseurs sonores - Google Patents

Perfectionnement apporté aux avertisseurs sonores

Info

Publication number
FR937373A
FR937373A FR937373DA FR937373A FR 937373 A FR937373 A FR 937373A FR 937373D A FR937373D A FR 937373DA FR 937373 A FR937373 A FR 937373A
Authority
FR
France
Prior art keywords
further development
audible warning
warning devices
audible
devices
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)
Inventor
Stehle
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.)
APP NOUVEAUX ET D OUTIL S RATI
Original Assignee
APP NOUVEAUX ET D OUTIL S RATI
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 APP NOUVEAUX ET D OUTIL S RATI filed Critical APP NOUVEAUX ET D OUTIL S RATI
Application granted granted Critical
Publication of FR937373A publication Critical patent/FR937373A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
FR937373D 1946-12-16 1946-12-16 Perfectionnement apporté aux avertisseurs sonores Expired FR937373A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR937373T 1946-12-16

Publications (1)

Publication Number Publication Date
FR937373A true FR937373A (fr) 1948-08-16

Family

ID=9457931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937373D Expired FR937373A (fr) 1946-12-16 1946-12-16 Perfectionnement apporté aux avertisseurs sonores

Country Status (1)

Country Link
FR (1) FR937373A (fr)

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