JPS62295235A - 光ディスク - Google Patents

光ディスク

Info

Publication number
JPS62295235A
JPS62295235A JP62114646A JP11464687A JPS62295235A JP S62295235 A JPS62295235 A JP S62295235A JP 62114646 A JP62114646 A JP 62114646A JP 11464687 A JP11464687 A JP 11464687A JP S62295235 A JPS62295235 A JP S62295235A
Authority
JP
Japan
Prior art keywords
information
disk
tracking
signal
light
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
JP62114646A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0370295B2 (enrdf_load_stackoverflow
Inventor
Kazuo Takasugi
高杉　和夫
Norio Yokozawa
横沢　典男
Yoshimitsu Oshima
大島　義光
Fumiyuki Inose
猪瀬　文之
Takeshi Maeda
武志 前田
Seiji Yonezawa
米沢　成二
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 true JPS62295235A (ja) 1987-12-22
JPH0370295B2 JPH0370295B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01138218U (enrdf_load_stackoverflow) * 1988-03-10 1989-09-21

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130103A (en) * 1978-03-16 1979-10-09 Philips Nv Device for writing and reading information on recording carrier body and recording carrier body
JPS54130102A (en) * 1978-03-16 1979-10-09 Philips Nv Method of writing information* recording carrier* recorded record carrier* and information writing and reading device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130103A (en) * 1978-03-16 1979-10-09 Philips Nv Device for writing and reading information on recording carrier body and recording carrier body
JPS54130102A (en) * 1978-03-16 1979-10-09 Philips Nv Method of writing information* recording carrier* recorded record carrier* and information writing and reading device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01138218U (enrdf_load_stackoverflow) * 1988-03-10 1989-09-21

Also Published As

Publication number Publication date
JPH0370295B2 (enrdf_load_stackoverflow) 1991-11-07

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