AT371621B - RECORD CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE - Google Patents

RECORD CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE

Info

Publication number
AT371621B
AT371621B AT0444881A AT444881A AT371621B AT 371621 B AT371621 B AT 371621B AT 0444881 A AT0444881 A AT 0444881A AT 444881 A AT444881 A AT 444881A AT 371621 B AT371621 B AT 371621B
Authority
AT
Austria
Prior art keywords
record carrier
readable information
information structure
optically readable
optically
Prior art date
Application number
AT0444881A
Other languages
German (de)
Other versions
ATA444881A (en
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to AT257782A priority Critical patent/AT374294B/en
Publication of ATA444881A publication Critical patent/ATA444881A/en
Application granted granted Critical
Publication of AT371621B publication Critical patent/AT371621B/en

Links

Classifications

    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
AT0444881A 1981-07-24 1981-10-16 RECORD CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE AT371621B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT257782A AT374294B (en) 1981-07-24 1982-07-02 DEVICE FOR READING A RECORDING CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8103504A NL8103504A (en) 1981-07-24 1981-07-24 RECORD CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE AND DEVICE FOR READING IT.

Publications (2)

Publication Number Publication Date
ATA444881A ATA444881A (en) 1982-11-15
AT371621B true AT371621B (en) 1983-07-11

Family

ID=19837845

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0444881A AT371621B (en) 1981-07-24 1981-10-16 RECORD CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE

Country Status (11)

Country Link
JP (2) JPS5819748A (en)
AT (1) AT371621B (en)
BE (1) BE890760A (en)
CA (1) CA1182916A (en)
DD (1) DD201625A5 (en)
DE (1) DE3141103A1 (en)
ES (1) ES506292A0 (en)
GB (1) GB2103409B (en)
IT (1) IT1140225B (en)
NL (1) NL8103504A (en)
SE (1) SE453543B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121505A1 (en) * 1991-06-28 1993-01-07 Sonopress Prod DISK-SHAPED MEMORY FOR BINARY INFORMATION
AU661720B2 (en) * 1992-02-14 1995-08-03 Sony Corporation Digital data recording medium, method and apparatus
EP1950750B1 (en) * 1999-06-30 2009-08-12 Sharp Kabushiki Kaisha Optical disc device for reproducing an optical disc having pits of different depth formed therein
EP2048663B1 (en) 2006-07-27 2011-10-12 Mitsubishi Electric Corporation Optical disc medium and optical disc device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7803517A (en) * 1978-04-03 1979-10-05 Philips Nv RECORD CARRIER WITH AN OPTICALLY READABLE PHASE STRUCTURE AND DEVICE FOR READING.
NL7810462A (en) * 1978-10-19 1980-04-22 Philips Nv REGISTRATION CONTAINER IN WHICH INFORMATION IS PRESENTED IN AN OPTICALLY READABLE RADIATION-REFLECTING INFORMATION STRUCTURE
CA1165871A (en) * 1978-11-08 1984-04-17 Kornelis Bulthuis Optically inscribable record carrier

Also Published As

Publication number Publication date
ES8207370A1 (en) 1982-09-01
DD201625A5 (en) 1983-07-27
ATA444881A (en) 1982-11-15
IT1140225B (en) 1986-09-24
IT8124539A0 (en) 1981-10-16
SE8106133L (en) 1983-01-25
CA1182916A (en) 1985-02-19
DE3141103C2 (en) 1991-05-29
ES506292A0 (en) 1982-09-01
SE453543B (en) 1988-02-08
NL8103504A (en) 1983-02-16
DE3141103A1 (en) 1983-02-10
JPH03116456A (en) 1991-05-17
BE890760A (en) 1982-04-16
JPH0366735B2 (en) 1991-10-18
JPH0421254B2 (en) 1992-04-09
GB2103409A (en) 1983-02-16
JPS5819748A (en) 1983-02-04
GB2103409B (en) 1986-04-23

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee