FR1210814A - Process for the production of discs - Google Patents

Process for the production of discs

Info

Publication number
FR1210814A
FR1210814A FR1210814DA FR1210814A FR 1210814 A FR1210814 A FR 1210814A FR 1210814D A FR1210814D A FR 1210814DA FR 1210814 A FR1210814 A FR 1210814A
Authority
FR
France
Prior art keywords
discs
production
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
Wilhelm Schulze-Witteborg
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 FR1210814A publication Critical patent/FR1210814A/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
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR1210814D 1958-07-11 1958-07-11 Process for the production of discs Expired FR1210814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1210814T 1958-07-11

Publications (1)

Publication Number Publication Date
FR1210814A true FR1210814A (en) 1960-03-10

Family

ID=9675348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1210814D Expired FR1210814A (en) 1958-07-11 1958-07-11 Process for the production of discs

Country Status (1)

Country Link
FR (1) FR1210814A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1167054B (en) * 1961-04-10 1964-04-02 Charles Kay Shaw Arrangement of records
US3145026A (en) * 1961-05-16 1964-08-18 Shaw Charles Kay Auditory publications

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1167054B (en) * 1961-04-10 1964-04-02 Charles Kay Shaw Arrangement of records
US3145026A (en) * 1961-05-16 1964-08-18 Shaw Charles Kay Auditory publications

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