FR364591A - Electric sound generator - Google Patents

Electric sound generator

Info

Publication number
FR364591A
FR364591A FR364591DA FR364591A FR 364591 A FR364591 A FR 364591A FR 364591D A FR364591D A FR 364591DA FR 364591 A FR364591 A FR 364591A
Authority
FR
France
Prior art keywords
sound generator
electric sound
electric
generator
sound
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
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
Application granted granted Critical
Publication of FR364591A publication Critical patent/FR364591A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR364591D 1905-05-17 1906-03-26 Electric sound generator Expired FR364591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE364591X 1905-05-17

Publications (1)

Publication Number Publication Date
FR364591A true FR364591A (en) 1906-08-24

Family

ID=1411928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR364591D Expired FR364591A (en) 1905-05-17 1906-03-26 Electric sound generator

Country Status (1)

Country Link
FR (1) FR364591A (en)

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