JPS6217288B2 - - Google Patents

Info

Publication number
JPS6217288B2
JPS6217288B2 JP51154848A JP15484876A JPS6217288B2 JP S6217288 B2 JPS6217288 B2 JP S6217288B2 JP 51154848 A JP51154848 A JP 51154848A JP 15484876 A JP15484876 A JP 15484876A JP S6217288 B2 JPS6217288 B2 JP S6217288B2
Authority
JP
Japan
Prior art keywords
disk surface
disk
signal
track
information
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.)
Expired
Application number
JP51154848A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5379333A (en
Inventor
Takeshi Maeda
Kazuo Shigematsu
Zenji Tsutsumi
Seiji Yonezawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15484876A priority Critical patent/JPS5379333A/ja
Publication of JPS5379333A publication Critical patent/JPS5379333A/ja
Publication of JPS6217288B2 publication Critical patent/JPS6217288B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
JP15484876A 1976-12-24 1976-12-24 Memory unit Granted JPS5379333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15484876A JPS5379333A (en) 1976-12-24 1976-12-24 Memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15484876A JPS5379333A (en) 1976-12-24 1976-12-24 Memory unit

Publications (2)

Publication Number Publication Date
JPS5379333A JPS5379333A (en) 1978-07-13
JPS6217288B2 true JPS6217288B2 (cs) 1987-04-16

Family

ID=15593211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15484876A Granted JPS5379333A (en) 1976-12-24 1976-12-24 Memory unit

Country Status (1)

Country Link
JP (1) JPS5379333A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647860A (en) * 1987-06-30 1989-01-11 Takara Co Ltd Drawn video synthesizer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101001A (cs) * 1973-01-19 1974-09-25
NL174591C (nl) * 1973-02-09 1984-07-02 Philips Nv Schijfvormig registratiedragerlichaam.
FR2299694A1 (fr) * 1975-01-31 1976-08-27 Ibm Dispositif d'acces aux pistes d'un milieu d'enregistrement tel qu'un disque magnetique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647860A (en) * 1987-06-30 1989-01-11 Takara Co Ltd Drawn video synthesizer

Also Published As

Publication number Publication date
JPS5379333A (en) 1978-07-13

Similar Documents

Publication Publication Date Title
US6452889B2 (en) Optical disc apparatus accessing method and system therefor
JP3221100B2 (ja) 光ディスク
JPS6011374B2 (ja) 情報再生方法及びその装置
JPS61134964A (ja) 光学式記録再生装置における重ね記録防止方式
JPS6260744B2 (cs)
JPH076377A (ja) 光ディスクプレーヤ
JPH0427610B2 (cs)
JPS6313264B2 (cs)
JPH0215926B2 (cs)
US5260930A (en) Optical information recording medium and reproducing apparatus for reproducing information from the medium
JPS6217288B2 (cs)
US7057988B2 (en) Device and method for controlling optical recording/reproducing device
US5105406A (en) Track-jumping servo apparatus for disc-shaped optical record medium
JPH0442732B2 (cs)
JPH0234089B2 (ja) Mokuhyotoratsukuichikensakusochi
JPS6292247A (ja) 光情報の記録・再生方法
JPS6019048B2 (ja) 情報再生方法及びその装置
JP2569387B2 (ja) 円盤状記録媒体のアクセス方法
JPS63138531A (ja) 情報再生装置
JP2565967B2 (ja) 光学式情報記録再生装置
JP3070190B2 (ja) 光記録媒体の初期化方法
JPH0237003B2 (ja) Johokirokusochi
JPS6228504B2 (cs)
JPS63138532A (ja) 情報再生装置
JPS63302426A (ja) 光学的情報記録担体