FR605424A - Improvements to devices used for recording sound waves - Google Patents

Improvements to devices used for recording sound waves

Info

Publication number
FR605424A
FR605424A FR605424DA FR605424A FR 605424 A FR605424 A FR 605424A FR 605424D A FR605424D A FR 605424DA FR 605424 A FR605424 A FR 605424A
Authority
FR
France
Prior art keywords
sound waves
devices used
recording sound
recording
devices
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 FR605424A publication Critical patent/FR605424A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
FR605424D 1925-10-28 1925-10-28 Improvements to devices used for recording sound waves Expired FR605424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR605424T 1925-10-28

Publications (1)

Publication Number Publication Date
FR605424A true FR605424A (en) 1926-05-26

Family

ID=8973982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR605424D Expired FR605424A (en) 1925-10-28 1925-10-28 Improvements to devices used for recording sound waves

Country Status (1)

Country Link
FR (1) FR605424A (en)

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