FR637141A - Methods and devices for the production of sounds from electric current and vice versa - Google Patents

Methods and devices for the production of sounds from electric current and vice versa

Info

Publication number
FR637141A
FR637141A FR637141DA FR637141A FR 637141 A FR637141 A FR 637141A FR 637141D A FR637141D A FR 637141DA FR 637141 A FR637141 A FR 637141A
Authority
FR
France
Prior art keywords
sounds
production
methods
devices
electric current
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)
Inventor
Constantin Chilowski
Boris Nagacheff
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 FR637141A publication Critical patent/FR637141A/en
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
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers
FR637141D 1926-10-29 1926-10-29 Methods and devices for the production of sounds from electric current and vice versa Expired FR637141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR637141T 1926-10-29

Publications (1)

Publication Number Publication Date
FR637141A true FR637141A (en) 1928-04-24

Family

ID=8995077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637141D Expired FR637141A (en) 1926-10-29 1926-10-29 Methods and devices for the production of sounds from electric current and vice versa

Country Status (1)

Country Link
FR (1) FR637141A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096958B (en) * 1957-08-20 1961-01-12 Philco Corp Method and arrangement for generating sound

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096958B (en) * 1957-08-20 1961-01-12 Philco Corp Method and arrangement for generating sound

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