BE768590A - Porteur d'information en forme de disque muni d'une modulation en sillons - Google Patents

Porteur d'information en forme de disque muni d'une modulation en sillons

Info

Publication number
BE768590A
BE768590A BE768590A BE768590A BE768590A BE 768590 A BE768590 A BE 768590A BE 768590 A BE768590 A BE 768590A BE 768590 A BE768590 A BE 768590A BE 768590 A BE768590 A BE 768590A
Authority
BE
Belgium
Prior art keywords
crown
modulation
disc
information carrier
shaped information
Prior art date
Application number
BE768590A
Other languages
English (en)
French (fr)
Original Assignee
Teldec Telefunken Decca
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
Priority claimed from DE19702029931 external-priority patent/DE2029931C3/de
Application filed by Teldec Telefunken Decca filed Critical Teldec Telefunken Decca
Publication of BE768590A publication Critical patent/BE768590A/xx

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
BE768590A 1970-06-18 1971-06-16 Porteur d'information en forme de disque muni d'une modulation en sillons BE768590A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702029931 DE2029931C3 (de) 1970-06-18 Mit einer Rillenmodulation versehener scheibenförmiger Informationsträger

Publications (1)

Publication Number Publication Date
BE768590A true BE768590A (fr) 1971-11-03

Family

ID=5774241

Family Applications (1)

Application Number Title Priority Date Filing Date
BE768590A BE768590A (fr) 1970-06-18 1971-06-16 Porteur d'information en forme de disque muni d'une modulation en sillons

Country Status (6)

Country Link
AT (1) AT321609B (enExample)
BE (1) BE768590A (enExample)
CH (1) CH530691A (enExample)
FR (1) FR2099173A5 (enExample)
GB (1) GB1359858A (enExample)
NL (1) NL7108348A (enExample)

Also Published As

Publication number Publication date
AT321609B (de) 1975-04-10
FR2099173A5 (enExample) 1972-03-10
GB1359858A (en) 1974-07-10
DE2029931A1 (de) 1971-12-30
DE2029931B2 (de) 1977-02-24
CH530691A (de) 1972-11-15
NL7108348A (enExample) 1971-12-21

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