JPH0370295B2 - - Google Patents

Info

Publication number
JPH0370295B2
JPH0370295B2 JP62114646A JP11464687A JPH0370295B2 JP H0370295 B2 JPH0370295 B2 JP H0370295B2 JP 62114646 A JP62114646 A JP 62114646A JP 11464687 A JP11464687 A JP 11464687A JP H0370295 B2 JPH0370295 B2 JP H0370295B2
Authority
JP
Japan
Prior art keywords
information
disk
tracking
signal
track
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 - Lifetime
Application number
JP62114646A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62295235A (ja
Inventor
Kazuo Takasugi
Norio Yokozawa
Yoshimitsu Ooshima
Fumyuki Inose
Takeshi Maeda
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 JP62114646A priority Critical patent/JPS62295235A/ja
Publication of JPS62295235A publication Critical patent/JPS62295235A/ja
Publication of JPH0370295B2 publication Critical patent/JPH0370295B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP62114646A 1987-05-13 1987-05-13 光ディスク Granted JPS62295235A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62114646A JPS62295235A (ja) 1987-05-13 1987-05-13 光ディスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62114646A JPS62295235A (ja) 1987-05-13 1987-05-13 光ディスク

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP59092818A Division JPS59218645A (ja) 1984-05-11 1984-05-11 光デイスク

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP4279686A Division JPH0799593B2 (ja) 1992-10-19 1992-10-19 円盤状情報記録媒体
JP4279685A Division JPH0799586B2 (ja) 1992-10-19 1992-10-19 情報記録再生方法およびその装置

Publications (2)

Publication Number Publication Date
JPS62295235A JPS62295235A (ja) 1987-12-22
JPH0370295B2 true JPH0370295B2 (OSRAM) 1991-11-07

Family

ID=14643012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62114646A Granted JPS62295235A (ja) 1987-05-13 1987-05-13 光ディスク

Country Status (1)

Country Link
JP (1) JPS62295235A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753132Y2 (ja) * 1988-03-10 1995-12-06 シャープ株式会社 光メモリ素子用基板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL187413C (nl) * 1978-03-16 1991-09-16 Philips Nv Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager.
NL7802860A (nl) * 1978-03-16 1979-09-18 Philips Nv Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen.

Also Published As

Publication number Publication date
JPS62295235A (ja) 1987-12-22

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