FR746069A - Improvements to sound recording processes - Google Patents

Improvements to sound recording processes

Info

Publication number
FR746069A
FR746069A FR746069DA FR746069A FR 746069 A FR746069 A FR 746069A FR 746069D A FR746069D A FR 746069DA FR 746069 A FR746069 A FR 746069A
Authority
FR
France
Prior art keywords
sound recording
recording processes
processes
sound
recording
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR746069A publication Critical patent/FR746069A/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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
FR746069D 1932-02-12 1932-02-12 Improvements to sound recording processes Expired FR746069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR746069T 1932-02-12

Publications (1)

Publication Number Publication Date
FR746069A true FR746069A (en) 1933-05-22

Family

ID=9147160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746069D Expired FR746069A (en) 1932-02-12 1932-02-12 Improvements to sound recording processes

Country Status (1)

Country Link
FR (1) FR746069A (en)

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