FR2128971A5 - - Google Patents

Info

Publication number
FR2128971A5
FR2128971A5 FR7108245A FR7108245A FR2128971A5 FR 2128971 A5 FR2128971 A5 FR 2128971A5 FR 7108245 A FR7108245 A FR 7108245A FR 7108245 A FR7108245 A FR 7108245A FR 2128971 A5 FR2128971 A5 FR 2128971A5
Authority
FR
France
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
FR7108245A
Other languages
French (fr)
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
Priority to FR7108245A priority Critical patent/FR2128971A5/fr
Application granted granted Critical
Publication of FR2128971A5 publication Critical patent/FR2128971A5/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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • 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)
FR7108245A 1971-03-10 1971-03-10 Expired FR2128971A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7108245A FR2128971A5 (enExample) 1971-03-10 1971-03-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7108245A FR2128971A5 (enExample) 1971-03-10 1971-03-10

Publications (1)

Publication Number Publication Date
FR2128971A5 true FR2128971A5 (enExample) 1972-10-27

Family

ID=9073259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7108245A Expired FR2128971A5 (enExample) 1971-03-10 1971-03-10

Country Status (1)

Country Link
FR (1) FR2128971A5 (enExample)

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Legal Events

Date Code Title Description
ST Notification of lapse