FR594174A - Method and arrangement for recording and reproducing sound waves - Google Patents

Method and arrangement for recording and reproducing sound waves

Info

Publication number
FR594174A
FR594174A FR594174DA FR594174A FR 594174 A FR594174 A FR 594174A FR 594174D A FR594174D A FR 594174DA FR 594174 A FR594174 A FR 594174A
Authority
FR
France
Prior art keywords
recording
arrangement
sound waves
reproducing sound
reproducing
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR594174A publication Critical patent/FR594174A/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas
FR594174D 1925-02-13 1925-02-13 Method and arrangement for recording and reproducing sound waves Expired FR594174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR594174T 1925-02-13

Publications (1)

Publication Number Publication Date
FR594174A true FR594174A (en) 1925-09-08

Family

ID=8965974

Family Applications (1)

Application Number Title Priority Date Filing Date
FR594174D Expired FR594174A (en) 1925-02-13 1925-02-13 Method and arrangement for recording and reproducing sound waves

Country Status (1)

Country Link
FR (1) FR594174A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017886A1 (en) * 1979-04-13 1980-10-29 Klein, Siegfried, Dr. Corona-loudspeaker
FR2613894A1 (en) * 1987-04-13 1988-10-14 Alain Deraedt Electroacoustic transducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017886A1 (en) * 1979-04-13 1980-10-29 Klein, Siegfried, Dr. Corona-loudspeaker
FR2454244A1 (en) * 1979-04-13 1980-11-07 Klein Siegfried OMNIDIRECTIONAL TRANSDUCER FOR THE TRANSFORMATION OF ELECTRICAL MODULATIONS INTO VIBRATORY MODULATIONS
FR2613894A1 (en) * 1987-04-13 1988-10-14 Alain Deraedt Electroacoustic transducer

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