NL8602911A - Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager. - Google Patents

Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager. Download PDF

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Publication number
NL8602911A
NL8602911A NL8602911A NL8602911A NL8602911A NL 8602911 A NL8602911 A NL 8602911A NL 8602911 A NL8602911 A NL 8602911A NL 8602911 A NL8602911 A NL 8602911A NL 8602911 A NL8602911 A NL 8602911A
Authority
NL
Netherlands
Prior art keywords
signal
track
light spot
input
radial
Prior art date
Application number
NL8602911A
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 NL8602911A priority Critical patent/NL8602911A/nl
Priority to US07/034,968 priority patent/US4843602A/en
Priority to AT87202140T priority patent/ATE73950T1/de
Priority to DE8787202140T priority patent/DE3777542D1/de
Priority to EP87202140A priority patent/EP0268321B1/en
Priority to JP62284093A priority patent/JPS63148434A/ja
Priority to MX9232A priority patent/MX160215A/es
Priority to CA000551700A priority patent/CA1308192C/en
Priority to DK596387A priority patent/DK596387A/da
Priority to CN87107886A priority patent/CN1009775B/zh
Priority to KR870012864A priority patent/KR880006665A/ko
Priority to AU81234/87A priority patent/AU611611B2/en
Priority to BR8706154A priority patent/BR8706154A/pt
Priority to CS878252A priority patent/CZ825287A3/cs
Publication of NL8602911A publication Critical patent/NL8602911A/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
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Automatic Disk Changers (AREA)
NL8602911A 1986-11-17 1986-11-17 Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager. NL8602911A (nl)

Priority Applications (14)

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.
US07/034,968 US4843602A (en) 1986-11-17 1987-04-06 Apparatus providing extended range of proportional control of the radial excursion of a write/read light spot on the tracks of a disc-shaped record carrier
AT87202140T ATE73950T1 (de) 1986-11-17 1987-11-05 Geraet zum aufzeichnen und/oder wiedergeben von informationen auf einen/von einem plattenfoermigen aufzeichnungstraeger.
DE8787202140T DE3777542D1 (de) 1986-11-17 1987-11-05 Geraet zum aufzeichnen und/oder wiedergeben von informationen auf einen/von einem plattenfoermigen aufzeichnungstraeger.
EP87202140A EP0268321B1 (en) 1986-11-17 1987-11-05 Apparatus for writing and/or reading information in/from a disc shaped record carrier
JP62284093A JPS63148434A (ja) 1986-11-17 1987-11-10 ディスク状記録担体を用いた情報装置
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
CA000551700A CA1308192C (en) 1986-11-17 1987-11-12 Apparatus for writing and/or reading information in/from a disc shaped record carrier
DK596387A DK596387A (da) 1986-11-17 1987-11-13 Apparat til indlaesning i og/eller aflaesning fra en skiveformet registreringsbaerer
CN87107886A CN1009775B (zh) 1986-11-17 1987-11-14 从盘形记录媒体读取信息和/或将信息写入该媒体的设备
KR870012864A KR880006665A (ko) 1986-11-17 1987-11-16 정보기록 및 판독장치
AU81234/87A AU611611B2 (en) 1986-11-17 1987-11-16 Apparatus providing extended range of proportional control of the radial excursion of a write/read light spot on the tracks of a disc-shaped record carrier
BR8706154A BR8706154A (pt) 1986-11-17 1987-11-16 Aparelho para gravacao e/ou leitura de informacoes em/de trilhas substancialmente tangenciais sobre um suporte de registro em forma de disco
CS878252A CZ825287A3 (en) 1986-11-17 1987-11-17 Apparatus for recording on and/or reproducing from tangential tracks

Applications Claiming Priority (2)

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.
NL8602911 1986-11-17

Publications (1)

Publication Number Publication Date
NL8602911A true NL8602911A (nl) 1988-06-16

Family

ID=19848845

Family Applications (1)

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

Country Status (14)

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

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
EP1297528A1 (en) * 2000-06-23 2003-04-02 Koninklijke Philips Electronics N.V. Device for recording and/or reproducing an optical record carrier
AU2003255961A1 (en) * 2002-08-28 2004-03-19 Koninklijke Philips Electronics N.V. Track jump unit.
WO2005081235A1 (en) * 2004-01-26 2005-09-01 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
EP0268321A1 (en) 1988-05-25
US4843602A (en) 1989-06-27
ATE73950T1 (de) 1992-04-15
DK596387D0 (da) 1987-11-13
CN1009775B (zh) 1990-09-26
AU611611B2 (en) 1991-06-13
EP0268321B1 (en) 1992-03-18
AU8123487A (en) 1988-05-19
CZ825287A3 (en) 1993-03-17
JPS63148434A (ja) 1988-06-21
BR8706154A (pt) 1988-06-21
CA1308192C (en) 1992-09-29
KR880006665A (ko) 1988-07-23
DK596387A (da) 1988-05-18
MX160215A (es) 1990-01-04
DE3777542D1 (de) 1992-04-23
CN87107886A (zh) 1988-06-01

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