MX160215A - Mejoras en aparato para escribir y/o leer la informacion en/desde una portadora de registro en forma de disco - Google Patents

Mejoras en aparato para escribir y/o leer la informacion en/desde una portadora de registro en forma de disco

Info

Publication number
MX160215A
MX160215A MX9232A MX923287A MX160215A MX 160215 A MX160215 A MX 160215A MX 9232 A MX9232 A MX 9232A MX 923287 A MX923287 A MX 923287A MX 160215 A MX160215 A MX 160215A
Authority
MX
Mexico
Prior art keywords
track
radial
control
light spot
detection means
Prior art date
Application number
MX9232A
Other languages
English (en)
Inventor
Philip Joseph Leo Mcgee
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 MX160215A publication Critical patent/MX160215A/es

Links

Classifications

    • 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
    • G11B7/09Disposition 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
    • 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
    • G11B7/09Disposition 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
    • G11B7/0946Disposition 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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B7/085Disposition 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
    • G11B7/08505Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Automatic Disk Changers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
MX9232A 1986-11-17 1987-11-11 Mejoras en aparato para escribir y/o leer la informacion en/desde una portadora de registro en forma de disco MX160215A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8602911A NL8602911A (nl) 1986-11-17 1986-11-17 Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager.

Publications (1)

Publication Number Publication Date
MX160215A true MX160215A (es) 1990-01-04

Family

ID=19848845

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9232A MX160215A (es) 1986-11-17 1987-11-11 Mejoras en aparato para escribir y/o leer la informacion en/desde una portadora de registro en forma de disco

Country Status (14)

Country Link
US (1) US4843602A (es)
EP (1) EP0268321B1 (es)
JP (1) JPS63148434A (es)
KR (1) KR880006665A (es)
CN (1) CN1009775B (es)
AT (1) ATE73950T1 (es)
AU (1) AU611611B2 (es)
BR (1) BR8706154A (es)
CA (1) CA1308192C (es)
CZ (1) CZ825287A3 (es)
DE (1) DE3777542D1 (es)
DK (1) DK596387A (es)
MX (1) MX160215A (es)
NL (1) NL8602911A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802435A (nl) * 1988-10-05 1990-05-01 Philips Nv Inrichting voor het aftasten van een registratiedrager, alsmede een regelschakeling voor toepassing in een dergelijke inrichting.
JPH0354737A (ja) * 1989-07-24 1991-03-08 Sony Corp 光学記録および/または再生装置
US5644560A (en) * 1991-12-26 1997-07-01 Sony Corporation Three-beam detecting system phase difference detector which eliminates phase difference error
KR20020064762A (ko) * 2000-06-23 2002-08-09 코닌클리케 필립스 일렉트로닉스 엔.브이. 광 기록매체의 기록 및/또는 재생장치
KR20050038644A (ko) * 2002-08-28 2005-04-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 트랙 점프유닛
EP1723643A1 (en) * 2004-01-26 2006-11-22 Koninklijke Philips Electronics N.V. Anti-shock optical recording and reproducing device
JP4972602B2 (ja) * 2008-04-10 2012-07-11 株式会社日立製作所 光信号検出回路及びそれを用いた情報再生装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037252A (en) * 1973-11-10 1977-07-19 U.S. Philips Corporation Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking
JPS5371808A (en) * 1976-12-08 1978-06-26 Toshiba Corp Optical information reader
NL8001974A (nl) * 1980-04-03 1981-11-02 Philips Nv Spoorvolginrichting.
NL8200208A (nl) * 1982-01-21 1983-08-16 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
US4530079A (en) * 1983-03-23 1985-07-16 Xerox Corporation Track following system for optical disc drive
JPS6074129A (ja) * 1983-09-30 1985-04-26 Sony Corp 光学式デイスクのトラツキングサ−ボ回路
JPS60119641A (ja) * 1983-12-01 1985-06-27 Pioneer Electronic Corp トラッキングエラ−信号発生装置

Also Published As

Publication number Publication date
BR8706154A (pt) 1988-06-21
DK596387A (da) 1988-05-18
AU8123487A (en) 1988-05-19
CZ825287A3 (en) 1993-03-17
DK596387D0 (da) 1987-11-13
AU611611B2 (en) 1991-06-13
ATE73950T1 (de) 1992-04-15
KR880006665A (ko) 1988-07-23
CN87107886A (zh) 1988-06-01
CN1009775B (zh) 1990-09-26
DE3777542D1 (de) 1992-04-23
NL8602911A (nl) 1988-06-16
JPS63148434A (ja) 1988-06-21
US4843602A (en) 1989-06-27
EP0268321A1 (en) 1988-05-25
EP0268321B1 (en) 1992-03-18
CA1308192C (en) 1992-09-29

Similar Documents

Publication Publication Date Title
GB2166583A (en) Optical information recording and reproducing apparatus
GB2141266A (en) Apparatus for producing a tracking servo signal for use in an optical pick-up
NL7711218A (nl) Inrichting voor uitlezing van op een registratie- drager geregistreerde signalen.
YU47475B (sh) Optički čitljiv nosač zapisa upisljive vrste, aparat za proizvodnju takvog nosača zapisa i aparat za zapisivanje informacije na takav nosač zapisa i odnosno ili za očitavanje sa njega
JPS57130240A (en) Optical information recording and reproducing device and information recording medium for it
ATE30647T1 (de) Spurfolgesystem mit einem optischen abtaster fuer ein audio- oder video-plattenwiedergabegeraet.
EP0383237A3 (en) Recording/reproducing apparatus of optical card
EP0285661A4 (en) POSITION DETECTOR OF THE OPTICAL FOCUS OF AN OPTICAL DATA STORAGE / READING DEVICE.
MY104267A (en) Optical pick-up devices
KR890005676A (ko) 광데이터기록/재생장치
MX160215A (es) Mejoras en aparato para escribir y/o leer la informacion en/desde una portadora de registro en forma de disco
DE3280467D1 (de) Verfahren zur Wiedergabe von Information aus einer ausgewählten Spur einer Aufzeichnungsplatte.
EP0348221A3 (en) An optical pickup apparatus
US4578786A (en) Track pitch calibration system for use in optical storage devices
ATE87116T1 (de) Spurregelkreis fuer eine optische abtastvorrichtung.
JP2637960B2 (ja) 光カード記録再生装置
ATE70653T1 (de) Spurregelkreis zum fuehren eines lichtstrahls.
JPH0253223A (ja) 光学式記録再生方法
JPS6233648B2 (es)
MY105765A (en) Optical pick-up
MY104456A (en) Optical pickup device.
FR2311326A2 (fr) Dispositif de focalisation et lecteur optique comportant un tel dispositif
JPS5764336A (en) Track signal recording system of optical disk device
SU1327168A2 (ru) Устройство слежени за информационной дорожкой
JP2664386B2 (ja) 光学的情報記録再生装置