FR498290A - Avertisseur à membrane actionné par multiplicateur sans engrenage - Google Patents

Avertisseur à membrane actionné par multiplicateur sans engrenage

Info

Publication number
FR498290A
FR498290A FR498290DA FR498290A FR 498290 A FR498290 A FR 498290A FR 498290D A FR498290D A FR 498290DA FR 498290 A FR498290 A FR 498290A
Authority
FR
France
Prior art keywords
gearless
multiplier
diaphragm horn
actuated
horn actuated
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
Albert Baron
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 FR498290A publication Critical patent/FR498290A/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)
FR498290D 1919-04-12 1919-04-12 Avertisseur à membrane actionné par multiplicateur sans engrenage Expired FR498290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR498290T 1919-04-12

Publications (1)

Publication Number Publication Date
FR498290A true FR498290A (fr) 1920-01-07

Family

ID=1533537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR498290D Expired FR498290A (fr) 1919-04-12 1919-04-12 Avertisseur à membrane actionné par multiplicateur sans engrenage

Country Status (1)

Country Link
FR (1) FR498290A (fr)

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