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GB2039125B - Method of producing a disc shaped record carrier - Google Patents

Method of producing a disc shaped record carrier

Info

Publication number
GB2039125B
GB2039125B GB7943257A GB7943257A GB2039125B GB 2039125 B GB2039125 B GB 2039125B GB 7943257 A GB7943257 A GB 7943257A GB 7943257 A GB7943257 A GB 7943257A GB 2039125 B GB2039125 B GB 2039125B
Authority
GB
United Kingdom
Prior art keywords
producing
record carrier
disc shaped
shaped record
disc
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
GB7943257A
Other versions
GB2039125A (en
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.)
TELDEC Telefunken Decca Schallplatten GmbH
Original Assignee
TELDEC Telefunken Decca Schallplatten GmbH
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 TELDEC Telefunken Decca Schallplatten GmbH filed Critical TELDEC Telefunken Decca Schallplatten GmbH
Publication of GB2039125A publication Critical patent/GB2039125A/en
Application granted granted Critical
Publication of GB2039125B publication Critical patent/GB2039125B/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
GB7943257A 1978-12-14 1979-12-14 Method of producing a disc shaped record carrier Expired GB2039125B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782853929 DE2853929C3 (en) 1978-12-14 1978-12-14 Process for the production of a disk-shaped recording medium

Publications (2)

Publication Number Publication Date
GB2039125A GB2039125A (en) 1980-07-30
GB2039125B true GB2039125B (en) 1982-10-13

Family

ID=6057121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943257A Expired GB2039125B (en) 1978-12-14 1979-12-14 Method of producing a disc shaped record carrier

Country Status (4)

Country Link
JP (1) JPS5584001A (en)
DE (1) DE2853929C3 (en)
FR (1) FR2443914A1 (en)
GB (1) GB2039125B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079538B1 (en) * 1981-11-16 1986-09-17 TELDEC Schallplatten GmbH Method and device for cutting information into a record carrier
JPS5911551A (en) * 1982-07-12 1984-01-21 Toshiba Corp Optical information storage medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2019358A1 (en) * 1968-08-21 1970-07-03 Optical Devices Cy

Also Published As

Publication number Publication date
JPS5584001A (en) 1980-06-24
GB2039125A (en) 1980-07-30
DE2853929B2 (en) 1981-06-04
DE2853929A1 (en) 1980-06-19
FR2443914B3 (en) 1981-10-23
DE2853929C3 (en) 1982-03-04
FR2443914A1 (en) 1980-07-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee