JPS5641533A - Regenerative device - Google Patents

Regenerative device

Info

Publication number
JPS5641533A
JPS5641533A JP11478079A JP11478079A JPS5641533A JP S5641533 A JPS5641533 A JP S5641533A JP 11478079 A JP11478079 A JP 11478079A JP 11478079 A JP11478079 A JP 11478079A JP S5641533 A JPS5641533 A JP S5641533A
Authority
JP
Japan
Prior art keywords
circuits
control
outputs
tracking
gain
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
JP11478079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6313264B2 (enrdf_load_stackoverflow
Inventor
Mitsuro Moriya
Masahiro Deguchi
Noboru Wakami
Yasuhiro Goto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP11478079A priority Critical patent/JPS5641533A/ja
Publication of JPS5641533A publication Critical patent/JPS5641533A/ja
Publication of JPS6313264B2 publication Critical patent/JPS6313264B2/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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP11478079A 1979-09-06 1979-09-06 Regenerative device Granted JPS5641533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11478079A JPS5641533A (en) 1979-09-06 1979-09-06 Regenerative device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11478079A JPS5641533A (en) 1979-09-06 1979-09-06 Regenerative device

Publications (2)

Publication Number Publication Date
JPS5641533A true JPS5641533A (en) 1981-04-18
JPS6313264B2 JPS6313264B2 (enrdf_load_stackoverflow) 1988-03-24

Family

ID=14646489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11478079A Granted JPS5641533A (en) 1979-09-06 1979-09-06 Regenerative device

Country Status (1)

Country Link
JP (1) JPS5641533A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677062U (enrdf_load_stackoverflow) * 1979-11-17 1981-06-23
JPS6031728U (ja) * 1983-08-04 1985-03-04 株式会社ケンウッド トラツキングサ−ボ装置
JPS61160072A (ja) * 1985-01-08 1986-07-19 Hitachi Electronics Eng Co Ltd デイスク型記録媒体検査装置
JPS61214286A (ja) * 1985-03-20 1986-09-24 Fuji Photo Film Co Ltd 回転磁気記録体トラツキング装置
JPS61222074A (ja) * 1985-03-28 1986-10-02 Tokyo Electric Co Ltd デイスク装置におけるオ−トトラツキング装置
JPS62159383A (ja) * 1986-01-08 1987-07-15 Asahi Optical Co Ltd 回転磁気記録媒体のトラツキング装置
JPS62243131A (ja) * 1986-04-15 1987-10-23 Pioneer Electronic Corp 情報読取装置
JPH01107327A (ja) * 1987-10-21 1989-04-25 Canon Inc 光学的情報記録再生装置
JPH04219634A (ja) * 1991-04-12 1992-08-10 Hitachi Ltd 光学的トラック追跡装置
US5384762A (en) * 1990-09-27 1995-01-24 International Business Machines Corporation Focusing servo in an optical disk drive

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616452A (ja) * 1984-06-20 1986-01-13 Toyota Motor Corp 車両用無段変速機の制御装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616452A (ja) * 1984-06-20 1986-01-13 Toyota Motor Corp 車両用無段変速機の制御装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677062U (enrdf_load_stackoverflow) * 1979-11-17 1981-06-23
JPS6031728U (ja) * 1983-08-04 1985-03-04 株式会社ケンウッド トラツキングサ−ボ装置
JPS61160072A (ja) * 1985-01-08 1986-07-19 Hitachi Electronics Eng Co Ltd デイスク型記録媒体検査装置
JPS61214286A (ja) * 1985-03-20 1986-09-24 Fuji Photo Film Co Ltd 回転磁気記録体トラツキング装置
JPS61222074A (ja) * 1985-03-28 1986-10-02 Tokyo Electric Co Ltd デイスク装置におけるオ−トトラツキング装置
JPS62159383A (ja) * 1986-01-08 1987-07-15 Asahi Optical Co Ltd 回転磁気記録媒体のトラツキング装置
JPS62243131A (ja) * 1986-04-15 1987-10-23 Pioneer Electronic Corp 情報読取装置
JPH01107327A (ja) * 1987-10-21 1989-04-25 Canon Inc 光学的情報記録再生装置
US5384762A (en) * 1990-09-27 1995-01-24 International Business Machines Corporation Focusing servo in an optical disk drive
JPH04219634A (ja) * 1991-04-12 1992-08-10 Hitachi Ltd 光学的トラック追跡装置

Also Published As

Publication number Publication date
JPS6313264B2 (enrdf_load_stackoverflow) 1988-03-24

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