AT351819B - RECORDING CARRIER WITH AN OPTICALLY READABLE, ALONG TRACKS OF INFORMATION STRUCTURE AND DEVICE FOR READING THE SAME - Google Patents

RECORDING CARRIER WITH AN OPTICALLY READABLE, ALONG TRACKS OF INFORMATION STRUCTURE AND DEVICE FOR READING THE SAME

Info

Publication number
AT351819B
AT351819B AT626776A AT626776A AT351819B AT 351819 B AT351819 B AT 351819B AT 626776 A AT626776 A AT 626776A AT 626776 A AT626776 A AT 626776A AT 351819 B AT351819 B AT 351819B
Authority
AT
Austria
Prior art keywords
reading
same
recording carrier
information structure
optically readable
Prior art date
Application number
AT626776A
Other languages
German (de)
Other versions
ATA626776A (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
Publication of ATA626776A publication Critical patent/ATA626776A/en
Application granted granted Critical
Publication of AT351819B publication Critical patent/AT351819B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
AT626776A 1975-08-26 1976-08-24 RECORDING CARRIER WITH AN OPTICALLY READABLE, ALONG TRACKS OF INFORMATION STRUCTURE AND DEVICE FOR READING THE SAME AT351819B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7510035A NL7510035A (en) 1975-08-26 1975-08-26 REGISTRATION CARRIER WITH AN OPTICALLY READABLE, TRACK-SIZED, INFORMATION STRUCTURE AND DEVICE FOR READING THIS.

Publications (2)

Publication Number Publication Date
ATA626776A ATA626776A (en) 1979-01-15
AT351819B true AT351819B (en) 1979-08-10

Family

ID=19824353

Family Applications (1)

Application Number Title Priority Date Filing Date
AT626776A AT351819B (en) 1975-08-26 1976-08-24 RECORDING CARRIER WITH AN OPTICALLY READABLE, ALONG TRACKS OF INFORMATION STRUCTURE AND DEVICE FOR READING THE SAME

Country Status (17)

Country Link
JP (1) JPS5228303A (en)
AT (1) AT351819B (en)
AU (1) AU505280B2 (en)
BE (1) BE845468A (en)
CA (1) CA1082356A (en)
CH (1) CH612781A5 (en)
DE (1) DE2636464C2 (en)
DK (1) DK378976A (en)
ES (1) ES450938A1 (en)
FR (1) FR2322418A1 (en)
GB (1) GB1516285A (en)
IT (1) IT1071416B (en)
NL (1) NL7510035A (en)
NO (1) NO762892L (en)
NZ (1) NZ181831A (en)
SE (1) SE424235B (en)
ZA (1) ZA764771B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122551A (en) * 1977-04-08 1978-10-24 Xerox Corporation Optical data storage and retrieval system
FR2396379A1 (en) * 1977-07-01 1979-01-26 Thomson Brandt OPTICAL INFORMATION DISC READER EQUIPPED WITH AN AUTOMATIC INFORMATION ACCESS DEVICE
NL7811003A (en) * 1978-11-06 1980-05-08 Philips Nv DISC-SHAPED, OPTICALLY READABLE RECORD CARRIER, AS A STORAGE MEDIUM FOR DATA INFORMATION.
US4484319A (en) * 1980-09-19 1984-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for locating a track on disc-like optical information carriers
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system
WO1984001849A1 (en) * 1982-11-01 1984-05-10 Storage Technology Partners Fine and coarse servo system for access and tracking on an optical disk
US4805162A (en) * 1982-11-01 1989-02-14 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
NL8503411A (en) * 1985-12-11 1987-07-01 Philips Nv DEVICE FOR DETERMINING A CENTERING ERROR OF A ROUND TRACKED INFORMATION STRUCTURE IN AN OPTICAL REGISTRATION CARRIER WITH REGARD TO THE ROTATING AXIS OF A TURNTABLE ON WHICH THE REGISTRATION CARRIER IS INCLUDED IN A PURPOSE, INCLUDING ANY APPARATUS, INCLUDING ANY APPARATUS.
NL8600934A (en) * 1986-04-14 1987-11-02 Optical Storage Int OPTICAL REGISTRATION CARRIER AND DEVICE FOR READING THE REGISTRATION CARRIER.
US4945476A (en) * 1988-02-26 1990-07-31 Elsevier Science Publishing Company, Inc. Interactive system and method for creating and editing a knowledge base for use as a computerized aid to the cognitive process of diagnosis
DE69233335T2 (en) * 1991-12-02 2005-02-10 Koninklijke Philips Electronics N.V. Closed information system with copy protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037800A1 (en) * 1970-07-30 1972-02-03 Wittmoser Sound or image plate
NL7314267A (en) * 1973-10-17 1975-04-21 Philips Nv REGISTRATION CARRIER ON WHICH INFORMATION HAS BEEN MADE IN AN OPTICALLY READABLE STRUCTURE.
NL7401858A (en) * 1974-02-12 1975-08-14 Philips Nv REGISTRATION CARRIER ON WHICH INFORMATION IS INDICATED IN AN OPTICALLY READABLE STRUCTURE.

Also Published As

Publication number Publication date
CA1082356A (en) 1980-07-22
CH612781A5 (en) 1979-08-15
DE2636464A1 (en) 1977-03-03
DE2636464C2 (en) 1984-04-05
ES450938A1 (en) 1977-12-01
AU505280B2 (en) 1979-11-15
FR2322418B1 (en) 1981-09-25
JPS5228303A (en) 1977-03-03
IT1071416B (en) 1985-04-10
AU1708076A (en) 1978-03-02
BE845468A (en) 1977-02-24
ATA626776A (en) 1979-01-15
NL7510035A (en) 1977-03-01
SE424235B (en) 1982-07-05
SE7609291L (en) 1977-02-27
NZ181831A (en) 1980-09-12
FR2322418A1 (en) 1977-03-25
NO762892L (en) 1977-03-01
ZA764771B (en) 1978-03-29
DK378976A (en) 1977-02-27
GB1516285A (en) 1978-07-05

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties