NL8200208A - Inrichting voor het uitlezen van een schijfvormige registratiedrager. - Google Patents

Inrichting voor het uitlezen van een schijfvormige registratiedrager. Download PDF

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Publication number
NL8200208A
NL8200208A NL8200208A NL8200208A NL8200208A NL 8200208 A NL8200208 A NL 8200208A NL 8200208 A NL8200208 A NL 8200208A NL 8200208 A NL8200208 A NL 8200208A NL 8200208 A NL8200208 A NL 8200208A
Authority
NL
Netherlands
Prior art keywords
detector
stage
control signal
signal
difference
Prior art date
Application number
NL8200208A
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 NL8200208A priority Critical patent/NL8200208A/nl
Priority to US06/365,716 priority patent/US4446545A/en
Priority to GB08301154A priority patent/GB2113872B/en
Priority to KR1019830000168A priority patent/KR880001174B1/ko
Priority to IT19161/83A priority patent/IT1167553B/it
Priority to ES519100A priority patent/ES519100A0/es
Priority to BE0/209936A priority patent/BE895655A/fr
Priority to CA000419912A priority patent/CA1194229A/fr
Priority to JP58006767A priority patent/JPS58125243A/ja
Priority to DE19833301702 priority patent/DE3301702A1/de
Priority to AU10635/83A priority patent/AU552691B2/en
Priority to FR8300906A priority patent/FR2520145A1/fr
Publication of NL8200208A publication Critical patent/NL8200208A/nl
Priority to SG970/85A priority patent/SG97085G/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
NL8200208A 1982-01-21 1982-01-21 Inrichting voor het uitlezen van een schijfvormige registratiedrager. NL8200208A (nl)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL8200208A NL8200208A (nl) 1982-01-21 1982-01-21 Inrichting voor het uitlezen van een schijfvormige registratiedrager.
US06/365,716 US4446545A (en) 1982-01-21 1982-04-05 Apparatus for reading a disk-shaped record carrier
GB08301154A GB2113872B (en) 1982-01-21 1983-01-17 Apparatus for reading a disk-shaped record carrier
KR1019830000168A KR880001174B1 (ko) 1982-01-21 1983-01-18 디스크형 기록캐리어 판독장치
IT19161/83A IT1167553B (it) 1982-01-21 1983-01-18 Apparato per la lettura di un supporto di registrazione a disco
ES519100A ES519100A0 (es) 1982-01-21 1983-01-19 Un aparato para leer un portador de registro en forma de disco.
BE0/209936A BE895655A (fr) 1982-01-21 1983-01-19 Dispositif de lecture d'un support d'information en forme de disque
CA000419912A CA1194229A (fr) 1982-01-21 1983-01-20 Appareil pour lire un support d'enregistrement en forme de disque
JP58006767A JPS58125243A (ja) 1982-01-21 1983-01-20 デイスク状記録キヤリヤ用読取装置
DE19833301702 DE3301702A1 (de) 1982-01-21 1983-01-20 Anordnung zum lesen eines scheibenfoermigen aufzeichnungstraegers
AU10635/83A AU552691B2 (en) 1982-01-21 1983-01-20 Optically reading a disk shaped record carrier
FR8300906A FR2520145A1 (fr) 1982-01-21 1983-01-21 Dispositif de lecture d'un support d'information en forme de disque
SG970/85A SG97085G (en) 1982-01-21 1985-12-20 Apparatus for reading a disk-shaped record carrier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8200208A NL8200208A (nl) 1982-01-21 1982-01-21 Inrichting voor het uitlezen van een schijfvormige registratiedrager.
NL8200208 1982-01-21

Publications (1)

Publication Number Publication Date
NL8200208A true NL8200208A (nl) 1983-08-16

Family

ID=19839113

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8200208A NL8200208A (nl) 1982-01-21 1982-01-21 Inrichting voor het uitlezen van een schijfvormige registratiedrager.

Country Status (13)

Country Link
US (1) US4446545A (fr)
JP (1) JPS58125243A (fr)
KR (1) KR880001174B1 (fr)
AU (1) AU552691B2 (fr)
BE (1) BE895655A (fr)
CA (1) CA1194229A (fr)
DE (1) DE3301702A1 (fr)
ES (1) ES519100A0 (fr)
FR (1) FR2520145A1 (fr)
GB (1) GB2113872B (fr)
IT (1) IT1167553B (fr)
NL (1) NL8200208A (fr)
SG (1) SG97085G (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095766B1 (fr) * 1982-05-31 1986-10-22 Hitachi, Ltd. Servo-circuit pour appareil de reproduction de signaux
US4805162A (en) * 1982-11-01 1989-02-14 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
WO1984004844A1 (fr) * 1983-05-27 1984-12-06 Storage Technology Partners Production d'un signal d'erreur de positionnement approximatif dans un systeme de stockage par disque optique utilisant des pistes d'asservissement approximatif
EP0145755A1 (fr) * 1983-06-13 1985-06-26 Storage Technology Partners Ii Production d'un signal d'erreur de position approximative a modulation d'amplitude dans un systeme de stockage a disque optique utilisant des pistes d'asservissement approximatif
NL8303564A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.
JPS6070924U (ja) * 1983-10-19 1985-05-20 パイオニア株式会社 焦点誤差検出装置
JPS6070923U (ja) * 1983-10-19 1985-05-20 パイオニア株式会社 焦点誤差検出装置
DE3485675D1 (de) * 1983-11-09 1992-05-27 Sharp Kk Servosystem zum positionieren eines optischen strahls.
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
NL8400674A (nl) * 1984-03-02 1985-10-01 Philips Nv Inrichting voor het inschrijven en/of uitlezen van informatie in een spoor van een reflekterende registratiedrager, met een fokusregeling met verminderde spot offsetgevoeligheid.
NL8500059A (nl) * 1985-01-11 1986-08-01 Philips Nv Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.
JPH06101127B2 (ja) * 1985-03-13 1994-12-12 シャープ株式会社 光学ヘツド
US4879708A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using wobbled pits
US4959823A (en) * 1985-07-30 1990-09-25 Laser Magnetic Storage International Company Tracking and seeking system for use with an optical record carrier having a wobbled track format
US4879707A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using discontinuities
ATE84631T1 (de) * 1985-07-30 1993-01-15 Philips Nv Generatorkreis fuer spursignal und aufzeichnungstraeger dafuer.
JP2786181B2 (ja) * 1985-12-21 1998-08-13 ソニー株式会社 光ディスク装置
US5004901A (en) * 1987-06-04 1991-04-02 Mitsubishi Denki Kabushiki Kaisha Current mirror amplifier for use in an optical data medium driving apparatus and servo-circuit
USRE34769E (en) * 1986-01-16 1994-11-01 Mitsubishi Denki Kabushiki Kaisha Current mirror amplifier for use in an optical data medium driving apparatus and servo-circuit
EP0234594A3 (en) * 1986-02-28 1989-09-06 Kabushiki Kaisha Toshiba System capable of retrieving information from an optical memory
US4864552A (en) * 1986-08-29 1989-09-05 Laser Magnetic Storage International Company Driving signal for coarse servo employing sampled offset signal
NL8602911A (nl) * 1986-11-17 1988-06-16 Philips Nv Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager.
JP2602019B2 (ja) * 1987-03-12 1997-04-23 富士通株式会社 光デイスク装置
US4785167A (en) * 1987-08-26 1988-11-15 International Business Machines Corporation Photodetector having cascaded photoelements
US5031166A (en) * 1988-01-25 1991-07-09 Laser Magnetic Storage International Company Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor
TW221074B (fr) * 1991-05-10 1994-02-11 Philips Nv
JP3186221B2 (ja) * 1992-06-02 2001-07-11 パイオニア株式会社 光学式記録情報再生装置
KR100312104B1 (ko) * 1997-11-28 2002-04-06 윤종용 밸런스게인튜닝장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29963E (en) * 1972-03-29 1979-04-10 U.S. Philips Corporation Servo system for reading from a disc-shaped record carrier containing signals coded in optical form
US4005260A (en) * 1972-11-11 1977-01-25 U.S. Philips Corporation Device for reading a disk-shaped record carrier with time base correction
NL7315419A (nl) * 1973-11-10 1975-05-13 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
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
NL177780C (nl) * 1974-02-28 1985-11-18 Philips Nv Inrichting voor het uitlezen van een op een draaitafel te plaatsen schijfvormige registratiedrager.
US4001494A (en) * 1974-11-01 1977-01-04 Zenith Radio Corporation Photoreceptor matrix for optical video playback system
JPS52134704A (en) * 1976-05-06 1977-11-11 Teac Co Optical recorder/reproducer unit
GB1532345A (en) * 1976-06-25 1978-11-15 Hitachi Ltd Information play-back apparatus
JPS5320904A (en) * 1976-08-11 1978-02-25 Toshiba Corp Optical information reader
NL7810386A (nl) * 1978-10-17 1980-04-21 Philips Nv Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.
NL7812111A (nl) * 1978-12-13 1980-06-17 Philips Nv Inrichting voor het optisch uitlezen van een schijf- vormige registratiedrager, in het bijzonder het snel opzoeken van een gewenst programmagedeelte.
NL8001974A (nl) * 1980-04-03 1981-11-02 Philips Nv Spoorvolginrichting.

Also Published As

Publication number Publication date
US4446545A (en) 1984-05-01
GB2113872B (en) 1985-09-25
FR2520145A1 (fr) 1983-07-22
IT1167553B (it) 1987-05-13
KR880001174B1 (ko) 1988-07-02
IT8319161A0 (it) 1983-01-18
AU1063583A (en) 1983-07-28
ES8400833A1 (es) 1983-11-01
BE895655A (fr) 1983-07-19
DE3301702C2 (fr) 1991-05-08
SG97085G (en) 1986-07-25
GB8301154D0 (en) 1983-02-16
KR840003509A (ko) 1984-09-08
FR2520145B1 (fr) 1984-12-28
ES519100A0 (es) 1983-11-01
JPH0332143B2 (fr) 1991-05-10
AU552691B2 (en) 1986-06-12
JPS58125243A (ja) 1983-07-26
CA1194229A (fr) 1985-09-24
DE3301702A1 (de) 1983-07-28
GB2113872A (en) 1983-08-10

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A1B A search report has been drawn up
BV The patent application has lapsed