SG35692G - Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor - Google Patents

Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor

Info

Publication number
SG35692G
SG35692G SG356/92A SG35692A SG35692G SG 35692 G SG35692 G SG 35692G SG 356/92 A SG356/92 A SG 356/92A SG 35692 A SG35692 A SG 35692A SG 35692 G SG35692 G SG 35692G
Authority
SG
Singapore
Prior art keywords
pregrooved
marks
track
tracking device
record carrier
Prior art date
Application number
SG356/92A
Other languages
English (en)
Original Assignee
Thomson Sa
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 Thomson Sa filed Critical Thomson Sa
Publication of SG35692G publication Critical patent/SG35692G/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • 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
    • G11B7/00745—Sectoring or header formats within a track
    • 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
SG356/92A 1984-07-10 1992-03-26 Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor SG35692G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8410940A FR2567673B1 (fr) 1984-07-10 1984-07-10 Support d'information inscriptible optiquement selon une piste definie par des motifs de pregravure et dispositif optique de suivi de piste mettant en oeuvre un tel support

Publications (1)

Publication Number Publication Date
SG35692G true SG35692G (en) 1992-05-22

Family

ID=9305969

Family Applications (1)

Application Number Title Priority Date Filing Date
SG356/92A SG35692G (en) 1984-07-10 1992-03-26 Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor

Country Status (8)

Country Link
US (1) US4685096A (de)
EP (1) EP0169433B1 (de)
JP (1) JP2587036B2 (de)
CA (1) CA1249056A (de)
DE (1) DE3574797D1 (de)
FR (1) FR2567673B1 (de)
HK (1) HK93092A (de)
SG (1) SG35692G (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779253A (en) * 1985-07-30 1988-10-18 Laser Magnetic Storage International Company Sampled servo for an optical disk drive
FR2597248B1 (fr) * 1985-11-27 1988-05-13 Thomson Alcatel Gigadisc Support d'information a pregravure et son dispositif d'exploration optiques a acces echantillonne
JPH0782656B2 (ja) * 1986-07-11 1995-09-06 株式会社日立製作所 光デイスク装置
US5214635A (en) * 1987-02-27 1993-05-25 Matsushita Electric Industrial Co., Ltd. Erasable optical disk and optical information recording/reproduction apparatus
JP2735220B2 (ja) * 1987-12-02 1998-04-02 株式会社日立製作所 非点収差を有する光束を用いた焦点ずれ検出方法及び光ディスク装置
DE3852281T2 (de) * 1987-12-18 1995-07-20 Hitachi Ltd Verfahren und Gerät zur Datenaufnahme/Wiedergabe.
NL8800152A (nl) * 1988-01-22 1989-08-16 Philips Nv Optische uitleesbare registratiedrager van het beschrijfbare type, een inrichting voor het vervaardigen van een dergelijke registratiedrager, en inrichtingen voor het optekenen en/of uitlezen van informatie op/uit een dergelijke registratiedrager.
US5170390A (en) * 1988-08-22 1992-12-08 Sharp Kabushiki Kaisha Optical recording element and driving system
JP2703576B2 (ja) * 1988-10-03 1998-01-26 株式会社日立製作所 光デイスク装置
GB8906353D0 (en) * 1989-03-20 1989-05-04 Dewar Productions Inc Semi-timing optic lathe
US5148422A (en) * 1989-08-25 1992-09-15 Sony Corporation Optical recording medium having a data recording track with offset data storing regions
JP3063230B2 (ja) * 1991-05-31 2000-07-12 ソニー株式会社 書き換え可能なディスクおよびディスク装置
JP3033864B2 (ja) * 1991-10-31 2000-04-17 キヤノン株式会社 情報記録方法及びその情報再生装置
US6179422B1 (en) * 1998-04-27 2001-01-30 Ming Lai Optical tracking device
TW200515107A (en) * 2003-10-29 2005-05-01 Hitachi Maxell Original disk exposure apparatus and original disk exposure method
US8879190B1 (en) * 2011-08-08 2014-11-04 Marvell International Ltd. Method and apparatus for initial self-servo writing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919697A (en) * 1974-06-26 1975-11-11 Battelle Development Corp Data record tracking using track identifying information in the gaps between recorded data groups
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.
US4402061A (en) * 1981-10-15 1983-08-30 Burroughs Corporation Preformatted optical media for use in an optical memory system
FR2523347B1 (fr) * 1982-03-12 1988-11-04 Thomson Csf Support d'information mobile pregrave et dispositif optique de suivi de piste mettant en oeuvre un tel support
FR2523348A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif de regeneration de phase de signaux de synchronisation dans un appareil optique d'ecriture-lecture de support d'information
FR2523349A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information
FR2523345A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif de generation de signaux de synchronisation dans un appareil optique d'ecriture-lecture de support d'information
JPS6058530B2 (ja) * 1982-04-09 1985-12-20 株式会社日立製作所 情報再生装置

Also Published As

Publication number Publication date
JPS6139238A (ja) 1986-02-25
DE3574797D1 (de) 1990-01-18
HK93092A (en) 1992-11-27
CA1249056A (en) 1989-01-17
JP2587036B2 (ja) 1997-03-05
US4685096A (en) 1987-08-04
FR2567673A1 (fr) 1986-01-17
EP0169433A1 (de) 1986-01-29
FR2567673B1 (fr) 1986-11-07
EP0169433B1 (de) 1989-12-13

Similar Documents

Publication Publication Date Title
HK93092A (en) Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor
ZA822011B (en) Apparatus for recording and reading information tracks in an optical record carrier
GB8523253D0 (en) Optical information recording & reproducing apparatus
DE3175265D1 (en) Track searching arrangement for an optical information recording and reproducing apparatus
GB2162332B (en) Optical information recording medium
GB8520259D0 (en) Optical information recording media
AU7926087A (en) Optically readable record carrier for recording information, method and apparatus for manufacturing such a record carrier ,apparatus for recording information on such a record carrier and apparatus for reading information recorded on such a record carrier
EP0265204A3 (en) Protective layer for optical information recording medium
BE886993A (fr) Porteur d'information, dispositif pour sa fabrication, et dispositif pour y enregistrer de l'information utile et/ou la reproduire
GB8531676D0 (en) Optical information recording medium
EP0170381A3 (en) Focussing error detection device for use in optical disk type recording system
DE3572070D1 (en) Tracking control system for optical record disc information reproducing apparatus
EP0464871A3 (en) Optical information recording/reproducing apparatus
GB2157013B (en) Optical information recording medium
SG57091G (en) Apparatus for reproducing information from a record carrier
GB8531948D0 (en) Optical information recording & reproducing apparatus
DE3270152D1 (en) Apparatus for reading an optically readable information structure on a record carrier
ZA807747B (en) Apparatus for reproducing digitally coded information recorded on an optically redable disc-shaped record carrier
DE3276398D1 (en) Optoelectronic device for reproducing information carried on a magnetic record carrier
ZA794547B (en) Apparatus for reading an optical record carrier having a radiation-reflecting information structure
GB2152686B (en) Optical information recording medium
GB2163863B (en) Optical information recording medium
GB2174530B (en) Optical information recording medium and method for recording information on said medium and reproducing information therefrom
GB8505755D0 (en) Optical information recording medium
HUT55559A (en) Device for recording information on optical data carrier