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AU535597B2 - Optical reading of record carrier tracks - Google Patents
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AU535597B2 - Optical reading of record carrier tracks - Google Patents

Optical reading of record carrier tracks

Info

Publication number
AU535597B2
AU535597B2 AU53697/79A AU5369779A AU535597B2 AU 535597 B2 AU535597 B2 AU 535597B2 AU 53697/79 A AU53697/79 A AU 53697/79A AU 5369779 A AU5369779 A AU 5369779A AU 535597 B2 AU535597 B2 AU 535597B2
Authority
AU
Australia
Prior art keywords
record carrier
optical reading
carrier tracks
tracks
reading
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
AU53697/79A
Other versions
AU5369779A (en
Inventor
Ludwig Ceshkovsky
Wayne Ray Dakin
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.)
Discovision Associates
Original Assignee
Discovision Associates
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 Discovision Associates filed Critical Discovision Associates
Priority to AU53697/79A priority Critical patent/AU535597B2/en
Publication of AU5369779A publication Critical patent/AU5369779A/en
Application granted granted Critical
Publication of AU535597B2 publication Critical patent/AU535597B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
AU53697/79A 1979-12-11 1979-12-11 Optical reading of record carrier tracks Expired AU535597B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU53697/79A AU535597B2 (en) 1979-12-11 1979-12-11 Optical reading of record carrier tracks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU53697/79A AU535597B2 (en) 1979-12-11 1979-12-11 Optical reading of record carrier tracks

Publications (2)

Publication Number Publication Date
AU5369779A AU5369779A (en) 1981-06-18
AU535597B2 true AU535597B2 (en) 1984-03-29

Family

ID=3739733

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53697/79A Expired AU535597B2 (en) 1979-12-11 1979-12-11 Optical reading of record carrier tracks

Country Status (1)

Country Link
AU (1) AU535597B2 (en)

Also Published As

Publication number Publication date
AU5369779A (en) 1981-06-18

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired