SG50693G - Pre-engraved information carrier and its optical scanning device with sampled access - Google Patents

Pre-engraved information carrier and its optical scanning device with sampled access

Info

Publication number
SG50693G
SG50693G SG50693A SG50693A SG50693G SG 50693 G SG50693 G SG 50693G SG 50693 A SG50693 A SG 50693A SG 50693 A SG50693 A SG 50693A SG 50693 G SG50693 G SG 50693G
Authority
SG
Singapore
Prior art keywords
scanning device
optical scanning
information carrier
engraved information
sampled access
Prior art date
Application number
SG50693A
Other languages
English (en)
Original Assignee
Thomson Alcatel Gigadisc
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 Alcatel Gigadisc filed Critical Thomson Alcatel Gigadisc
Publication of SG50693G publication Critical patent/SG50693G/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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • G11B7/08588—Sled-type positioners with position sensing by means of an auxiliary system using an external scale
    • 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
SG50693A 1985-11-27 1993-04-20 Pre-engraved information carrier and its optical scanning device with sampled access SG50693G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8517560A FR2597248B1 (fr) 1985-11-27 1985-11-27 Support d'information a pregravure et son dispositif d'exploration optiques a acces echantillonne

Publications (1)

Publication Number Publication Date
SG50693G true SG50693G (en) 1993-08-06

Family

ID=9325207

Family Applications (1)

Application Number Title Priority Date Filing Date
SG50693A SG50693G (en) 1985-11-27 1993-04-20 Pre-engraved information carrier and its optical scanning device with sampled access

Country Status (8)

Country Link
US (2) US4809251A (de)
EP (1) EP0225259B1 (de)
JP (2) JP2624475B2 (de)
CA (1) CA1267723A (de)
DE (1) DE3680480D1 (de)
FR (1) FR2597248B1 (de)
HK (1) HK157796A (de)
SG (1) SG50693G (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63237269A (ja) * 1987-03-25 1988-10-03 Sony Corp トラツクカウント装置
JP2653073B2 (ja) * 1987-08-21 1997-09-10 ソニー株式会社 ディスク状記録媒体
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.
KR910001974B1 (ko) * 1987-11-30 1991-03-30 주식회사 금성사 콤팩트 디스크 플레이어의 고속 써치 장치
US5418764A (en) * 1988-01-22 1995-05-23 U.S. Philips Corporation Recording device, a record carrier having preformatted address codes and auxiliary codes providing control data for use by the recording device, and an information recording system including both the recording device and the record carrier
US5170390A (en) * 1988-08-22 1992-12-08 Sharp Kabushiki Kaisha Optical recording element and driving system
US5214629A (en) * 1990-02-27 1993-05-25 Hitachi Maxell, Ltd. Optical disc having a high-speed access capability and reading apparatus therefor
JPH04181551A (ja) * 1990-11-16 1992-06-29 Sony Corp 光ディスク装置
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
US5228168A (en) * 1991-06-19 1993-07-20 Hollrock Engineering, Inc. Golf ball handling system
EP0549488B1 (de) * 1991-12-20 1998-09-30 Eastman Kodak Company Aufzeichnungsträger für ein optisches Informationssystem mit eingebettetem Identifikationskode
ES2124743T3 (es) * 1992-02-14 1999-02-16 Sony Corp Medio de registro de datos, aparato de registro de datos, aparato de reproduccion de datos y aparato de registro/reproduccion de datos.
US5818805A (en) * 1992-02-14 1998-10-06 Sony Corporation Reproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge
US5748582A (en) * 1992-02-14 1998-05-05 Sony Corporation Information recording medium wherein digital symbols are represented by discrete shift amounts of a pit edge and tracking wobbling pits are shared between adjacent tracks and information recording and reproducing apparatus therefor
JP3147255B2 (ja) * 1992-10-13 2001-03-19 ソニー株式会社 データ記録方法、データ記録装置およびデータ記録媒体
US5572589A (en) * 1993-12-09 1996-11-05 Microsoft Corporation Disc serialization
JPH0845188A (ja) * 1994-07-29 1996-02-16 Sony Corp 記録媒体並びにその記録装置および再生装置
WO2019179182A1 (zh) * 2018-03-19 2019-09-26 北京三快在线科技有限公司 条码的生成、识别

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336768A1 (fr) * 1975-12-24 1977-07-22 Honeywell Bull Soc Ind Procede pour deplacer un systeme mobile par rapport a un support d'enregistrement d'informations et dispositif pour le mettre en oeuvre
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
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
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
FR2528605B1 (fr) * 1982-06-15 1987-11-20 Thomson Csf Procede et dispositif optique de focalisation d'un faisceau d'energie lumineuse sur un plan de reference d'un support d'information ainsi que ce support
JPS59165279A (ja) * 1983-03-11 1984-09-18 Toshiba Corp ヘツドの位置決め方式
FR2567673B1 (fr) * 1984-07-10 1986-11-07 Thomson Alcatel Gigadisc 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

Also Published As

Publication number Publication date
HK157796A (en) 1996-08-30
US4809251A (en) 1989-02-28
EP0225259A1 (de) 1987-06-10
JP2765815B2 (ja) 1998-06-18
EP0225259B1 (de) 1991-07-24
JPS62143232A (ja) 1987-06-26
JPH08255353A (ja) 1996-10-01
JP2624475B2 (ja) 1997-06-25
DE3680480D1 (de) 1991-08-29
US4955008A (en) 1990-09-04
FR2597248A1 (fr) 1987-10-16
CA1267723A (en) 1990-04-10
FR2597248B1 (fr) 1988-05-13

Similar Documents

Publication Publication Date Title
SG36792G (en) Pre-engraved information carrier and optical read device therefor
HK157796A (en) Pre-engraved information carrier and its optical scanning device with sampled access
EP0551966A3 (en) Recording device and reproducing device
AU566260B2 (en) Optical writing and reading method
EP0221545A3 (en) Optical information reading apparatus
EP0253192A3 (en) Magnetic recording and reproducing device
GB8517347D0 (en) Operating security device & data carriers
EP0184750A3 (en) Optical recording and reproducing device
EP0418070A3 (en) Information recording and reproducing device
EP0221782A3 (en) Optical information recording and reproducing apparatus
GB2183961B (en) Image reading and/or recording apparatus with enlarging and reducing function
HU900401D0 (en) Optical recording and/or reproducing device
DE3665236D1 (en) Optical information recording and reproducing apparatus
EP0424978A3 (en) Optical disk drive device and information storage device
EP0246830A3 (en) Optical information recording and reproducing apparatus
EP0378449A3 (en) Information recording and retrieval system
KR880700396A (ko) 광디스크 기록 재생 장치
AU6372686A (en) Information carrier and reader
GB2186844B (en) Information recording devices
GB8630020D0 (en) Information recording carrier
GB2182787B (en) Optical read/write device
EP0223353A3 (en) Information record carrier
GB2185812B (en) Optical reading device
GB2180973B (en) Information retrieval device
EP0193388A3 (en) Optical recording and information elements