FR833439A - Process for the production of photographic sound recordings - Google Patents

Process for the production of photographic sound recordings

Info

Publication number
FR833439A
FR833439A FR833439DA FR833439A FR 833439 A FR833439 A FR 833439A FR 833439D A FR833439D A FR 833439DA FR 833439 A FR833439 A FR 833439A
Authority
FR
France
Prior art keywords
production
sound recordings
photographic sound
photographic
recordings
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR833439A publication Critical patent/FR833439A/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
FR833439D 1937-02-11 1938-02-10 Process for the production of photographic sound recordings Expired FR833439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE833439X 1937-02-11

Publications (1)

Publication Number Publication Date
FR833439A true FR833439A (en) 1938-10-21

Family

ID=6759390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833439D Expired FR833439A (en) 1937-02-11 1938-02-10 Process for the production of photographic sound recordings

Country Status (1)

Country Link
FR (1) FR833439A (en)

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