JPS56156973A - Tracking device - Google Patents

Tracking device

Info

Publication number
JPS56156973A
JPS56156973A JP4659381A JP4659381A JPS56156973A JP S56156973 A JPS56156973 A JP S56156973A JP 4659381 A JP4659381 A JP 4659381A JP 4659381 A JP4659381 A JP 4659381A JP S56156973 A JPS56156973 A JP S56156973A
Authority
JP
Japan
Prior art keywords
tracking device
tracking
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP4659381A
Other languages
English (en)
Other versions
JPS645387B2 (ja
Inventor
Furosu Ururitsuhi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS56156973A publication Critical patent/JPS56156973A/ja
Publication of JPS645387B2 publication Critical patent/JPS645387B2/ja
Granted legal-status Critical Current

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
    • 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Position Or Direction (AREA)
JP4659381A 1980-04-03 1981-03-31 Tracking device Granted JPS56156973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8001974A NL8001974A (nl) 1980-04-03 1980-04-03 Spoorvolginrichting.

Publications (2)

Publication Number Publication Date
JPS56156973A true JPS56156973A (en) 1981-12-03
JPS645387B2 JPS645387B2 (ja) 1989-01-30

Family

ID=19835109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4659381A Granted JPS56156973A (en) 1980-04-03 1981-03-31 Tracking device

Country Status (11)

Country Link
US (1) US4359635A (ja)
JP (1) JPS56156973A (ja)
AT (1) AT370900B (ja)
AU (1) AU536041B2 (ja)
CA (1) CA1169148A (ja)
DE (1) DE3111714A1 (ja)
ES (1) ES500964A0 (ja)
FR (1) FR2480016A1 (ja)
GB (1) GB2073452B (ja)
IT (1) IT1137118B (ja)
NL (1) NL8001974A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60154358A (ja) * 1984-01-20 1985-08-14 Pioneer Electronic Corp 記録情報再生装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6215864Y2 (ja) * 1980-08-04 1987-04-22
JPS589227A (ja) * 1981-07-07 1983-01-19 Mitsubishi Electric Corp 光学的サ−ボ装置
JPS5810275U (ja) * 1981-07-15 1983-01-22 パイオニア株式会社 情報記録領域の検出装置
JPS5841447A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 光スポット制御信号検出方法
NL8200208A (nl) * 1982-01-21 1983-08-16 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
JPS58143472A (ja) * 1982-02-22 1983-08-26 Hitachi Ltd 記録情報再生装置のトラツキングサ−ボ制御装置
JPS58169350A (ja) * 1982-03-31 1983-10-05 Hitachi Ltd 光学的情報記録再生装置
AU575332B2 (en) * 1983-07-29 1988-07-28 Sony Corporation Optical disk pick-up
JPH07101532B2 (ja) * 1986-03-20 1995-11-01 ソニー株式会社 トラツキング制御装置
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.
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.
JPH02133882U (ja) * 1989-04-10 1990-11-07

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129511A (ja) * 1973-04-12 1974-12-11
JPS5215309A (en) * 1975-07-24 1977-02-04 Ibm Data memory
JPS54125010A (en) * 1978-03-22 1979-09-28 Mitsubishi Electric Corp Magnetic disc apparatus
JPS5515615U (ja) * 1978-07-12 1980-01-31

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL173343C (nl) * 1972-03-29 1984-01-02 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager met in optische vorm gecodeerde beeld-en/of geluidssignalen.
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
JPS52145006A (en) * 1976-05-27 1977-12-02 Mitsubishi Electric Corp Highly densed recording signals reproduction device
JPS52145005A (en) * 1976-05-27 1977-12-02 Mitsubishi Electric Corp Highly densed recording signals reproduction device
JPS5680878A (en) * 1979-12-05 1981-07-02 Nec Corp Magnetic bubble storage device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129511A (ja) * 1973-04-12 1974-12-11
JPS5215309A (en) * 1975-07-24 1977-02-04 Ibm Data memory
JPS54125010A (en) * 1978-03-22 1979-09-28 Mitsubishi Electric Corp Magnetic disc apparatus
JPS5515615U (ja) * 1978-07-12 1980-01-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60154358A (ja) * 1984-01-20 1985-08-14 Pioneer Electronic Corp 記録情報再生装置
JPH0330942B2 (ja) * 1984-01-20 1991-05-01 Pioneer Electronic Corp

Also Published As

Publication number Publication date
FR2480016A1 (fr) 1981-10-09
DE3111714C2 (ja) 1990-08-02
GB2073452B (en) 1984-02-01
ATA152181A (de) 1982-09-15
GB2073452A (en) 1981-10-14
FR2480016B1 (ja) 1985-03-01
CA1169148A (en) 1984-06-12
IT1137118B (it) 1986-09-03
NL8001974A (nl) 1981-11-02
AT370900B (de) 1983-05-10
JPS645387B2 (ja) 1989-01-30
AU6898181A (en) 1981-10-08
ES8202648A1 (es) 1982-02-01
US4359635A (en) 1982-11-16
IT8120850A0 (it) 1981-03-31
ES500964A0 (es) 1982-02-01
DE3111714A1 (de) 1982-02-11
AU536041B2 (en) 1984-04-12

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