NL8102621A - Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. - Google Patents

Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. Download PDF

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Publication number
NL8102621A
NL8102621A NL8102621A NL8102621A NL8102621A NL 8102621 A NL8102621 A NL 8102621A NL 8102621 A NL8102621 A NL 8102621A NL 8102621 A NL8102621 A NL 8102621A NL 8102621 A NL8102621 A NL 8102621A
Authority
NL
Netherlands
Prior art keywords
frequency
signal
information
record carrier
circuit
Prior art date
Application number
NL8102621A
Other languages
English (en)
Dutch (nl)
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 NL8102621A priority Critical patent/NL8102621A/nl
Priority to DE3218917A priority patent/DE3218917A1/de
Priority to AT0207782A priority patent/AT373423B/de
Priority to GB8215433A priority patent/GB2099614B/en
Priority to IT21490/82A priority patent/IT1151247B/it
Priority to US06/382,737 priority patent/US4807211A/en
Priority to AU84229/82A priority patent/AU8422982A/en
Priority to CA000403925A priority patent/CA1194228A/en
Priority to FR8209386A priority patent/FR2506982B1/fr
Priority to JP57090533A priority patent/JPS57200952A/ja
Publication of NL8102621A publication Critical patent/NL8102621A/nl

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0904—Dithered tracking systems

Landscapes

  • Optical Recording Or Reproduction (AREA)
NL8102621A 1981-05-29 1981-05-29 Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. NL8102621A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL8102621A NL8102621A (nl) 1981-05-29 1981-05-29 Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.
DE3218917A DE3218917A1 (de) 1981-05-29 1982-05-19 Vorrichtung zum beschreiben und/oder auslesen eines aufzeichnungstraegers
AT0207782A AT373423B (de) 1981-05-29 1982-05-26 Vorrichtung zum beschreiben und/oder auslesen eines aufzeichnungstraegers
GB8215433A GB2099614B (en) 1981-05-29 1982-05-26 Reading radial tracking signals from digital records
IT21490/82A IT1151247B (it) 1981-05-29 1982-05-26 Apparecchiature per incidere e/oppure leggere una portante di registrazione
US06/382,737 US4807211A (en) 1981-05-29 1982-05-27 Apparatus for inscribing and/or reading a record carrier
AU84229/82A AU8422982A (en) 1981-05-29 1982-05-27 Optical disc tracking apparatus
CA000403925A CA1194228A (en) 1981-05-29 1982-05-27 Apparatus for inscribing and/or reading a record carrier
FR8209386A FR2506982B1 (fr) 1981-05-29 1982-05-28 Dispositif pour l'enregistrement et/ou la lecture d'un support d'information
JP57090533A JPS57200952A (en) 1981-05-29 1982-05-29 Recording carrier recorder/reader

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8102621A NL8102621A (nl) 1981-05-29 1981-05-29 Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.
NL8102621 1981-05-29

Publications (1)

Publication Number Publication Date
NL8102621A true NL8102621A (nl) 1982-12-16

Family

ID=19837585

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8102621A NL8102621A (nl) 1981-05-29 1981-05-29 Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.

Country Status (10)

Country Link
US (1) US4807211A (it)
JP (1) JPS57200952A (it)
AT (1) AT373423B (it)
AU (1) AU8422982A (it)
CA (1) CA1194228A (it)
DE (1) DE3218917A1 (it)
FR (1) FR2506982B1 (it)
GB (1) GB2099614B (it)
IT (1) IT1151247B (it)
NL (1) NL8102621A (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103117A (nl) * 1981-06-29 1983-01-17 Philips Nv Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.
JPS59191144A (ja) * 1983-04-14 1984-10-30 Sony Corp 光ピツクアツプのトラツキングサ−ボ回路
US4703408A (en) * 1983-11-28 1987-10-27 Hitachi, Ltd. Apparatus and record carrier for optically writing information
JPS63239621A (ja) * 1987-03-27 1988-10-05 Sony Corp 診断機能付光デイスク記録・再生装置
GB8719412D0 (en) * 1987-08-17 1987-09-23 Zed Instr Ltd Preparing screen
NL8702261A (nl) * 1987-09-23 1989-04-17 Philips Nv Informatie opteken en/of uitlees systeem, alsmede een registratiedrager en opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem.
US5187699A (en) * 1988-01-22 1993-02-16 U.S. Philips Corporation Method and apparatus for successively recording two EFM-modulated signals enabling detection of boundary condition for transitioning between signals
US5148422A (en) * 1989-08-25 1992-09-15 Sony Corporation Optical recording medium having a data recording track with offset data storing regions
CA2054880C (en) † 1990-11-09 1997-07-08 Shigemi Maeda Information recording and reproducing device
JP3273444B2 (ja) * 1992-09-21 2002-04-08 株式会社ニコン 書込み可能な光ディスク
EP0767959B1 (en) * 1995-04-28 2002-09-11 Koninklijke Philips Electronics N.V. System for storing and reproducing information
US5835478A (en) * 1995-06-15 1998-11-10 Sony Corporation Optical disc having address information for recording and reproducing data at correct positions
JP3529937B2 (ja) * 1996-04-08 2004-05-24 ローム株式会社 光ピックアップ装置
US5809006A (en) * 1996-05-31 1998-09-15 Cagent Technologies, Inc. Optical disk with copy protection, and apparatus and method for recording and reproducing same
US6052358A (en) * 1996-10-04 2000-04-18 Sony Corporation Head feeding mechanism and optical pick-up feeding mechanism
DE19723542A1 (de) * 1997-06-05 1998-12-10 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
DE19937023A1 (de) 1999-08-05 2001-02-08 Heidenhain Gmbh Dr Johannes Reflexions-Maßverkörperung und Verfahren zur Herstellung einer Reflexions-Maßverkörperung
US8077417B2 (en) * 2008-12-11 2011-12-13 Seagate Technology Llc Skip block writing for bit patterned media write synchronization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415727B2 (it) * 1973-02-02 1979-06-16
US3931460A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc with multiturn undulating storage track
US4074085A (en) * 1976-03-31 1978-02-14 Eli S. Jacobs Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks
JPS583297B2 (ja) * 1978-06-09 1983-01-20 株式会社日立製作所 情報記録再生方法，その装置およびその記録媒体
NL8000121A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager.
NL8000122A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager.
NL8000123A (nl) * 1980-01-09 1981-08-03 Philips Nv Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager.
JPS5720928A (en) * 1980-07-09 1982-02-03 Toshiba Corp Optical disk reproduction system
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.

Also Published As

Publication number Publication date
JPH0221057B2 (it) 1990-05-11
GB2099614B (en) 1984-09-12
IT8221490A0 (it) 1982-05-26
AU8422982A (en) 1982-12-02
US4807211A (en) 1989-02-21
AT373423B (de) 1984-01-25
IT1151247B (it) 1986-12-17
DE3218917C2 (it) 1990-11-15
FR2506982B1 (fr) 1985-10-31
FR2506982A1 (fr) 1982-12-03
CA1194228A (en) 1985-09-24
ATA207782A (de) 1983-05-15
GB2099614A (en) 1982-12-08
DE3218917A1 (de) 1983-03-10
JPS57200952A (en) 1982-12-09

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