FR1428811A - Circular recording medium for two kinds of recording - Google Patents

Circular recording medium for two kinds of recording

Info

Publication number
FR1428811A
FR1428811A FR9987A FR9987A FR1428811A FR 1428811 A FR1428811 A FR 1428811A FR 9987 A FR9987 A FR 9987A FR 9987 A FR9987 A FR 9987A FR 1428811 A FR1428811 A FR 1428811A
Authority
FR
France
Prior art keywords
recording
kinds
circular
recording medium
medium
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
FR9987A
Other languages
French (fr)
Inventor
Walter Berndt
Horst Redlich
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.)
Telefunken AG
Original Assignee
Telefunken 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 Telefunken AG filed Critical Telefunken AG
Priority to FR9987A priority Critical patent/FR1428811A/en
Application granted granted Critical
Publication of FR1428811A publication Critical patent/FR1428811A/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
    • G11B3/72—Groove formations, e.g. run-in groove, run-out groove
    • G11B3/74—Multiple output tracks, e.g. binaural stereophonic
FR9987A 1965-03-19 1965-03-19 Circular recording medium for two kinds of recording Expired FR1428811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9987A FR1428811A (en) 1965-03-19 1965-03-19 Circular recording medium for two kinds of recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9987A FR1428811A (en) 1965-03-19 1965-03-19 Circular recording medium for two kinds of recording

Publications (1)

Publication Number Publication Date
FR1428811A true FR1428811A (en) 1966-02-18

Family

ID=8574459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9987A Expired FR1428811A (en) 1965-03-19 1965-03-19 Circular recording medium for two kinds of recording

Country Status (1)

Country Link
FR (1) FR1428811A (en)

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