FR621997A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number
FR621997A
FR621997A FR621997DA FR621997A FR 621997 A FR621997 A FR 621997A FR 621997D A FR621997D A FR 621997DA FR 621997 A FR621997 A FR 621997A
Authority
FR
France
Prior art keywords
loud speaker
loud
speaker
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
Giovanni Sciorati
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 filed Critical
Application granted granted Critical
Publication of FR621997A publication Critical patent/FR621997A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
FR621997D 1926-01-23 1926-01-23 Haut-parleur Expired FR621997A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR621997T 1926-01-23

Publications (1)

Publication Number Publication Date
FR621997A true FR621997A (fr) 1927-05-20

Family

ID=8985510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR621997D Expired FR621997A (fr) 1926-01-23 1926-01-23 Haut-parleur

Country Status (1)

Country Link
FR (1) FR621997A (fr)

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