JPH0322655B2 - - Google Patents

Info

Publication number
JPH0322655B2
JPH0322655B2 JP58175259A JP17525983A JPH0322655B2 JP H0322655 B2 JPH0322655 B2 JP H0322655B2 JP 58175259 A JP58175259 A JP 58175259A JP 17525983 A JP17525983 A JP 17525983A JP H0322655 B2 JPH0322655 B2 JP H0322655B2
Authority
JP
Japan
Prior art keywords
groove
light
laser
frequency
optical disk
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
JP58175259A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6066332A (ja
Inventor
Michoshi Nagashima
Isao Sato
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 JP58175259A priority Critical patent/JPS6066332A/ja
Publication of JPS6066332A publication Critical patent/JPS6066332A/ja
Publication of JPH0322655B2 publication Critical patent/JPH0322655B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Head (AREA)
JP58175259A 1983-09-21 1983-09-21 光ディスク記録再生方法及び光ディスク Granted JPS6066332A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58175259A JPS6066332A (ja) 1983-09-21 1983-09-21 光ディスク記録再生方法及び光ディスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58175259A JPS6066332A (ja) 1983-09-21 1983-09-21 光ディスク記録再生方法及び光ディスク

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP1130858A Division JPH0214425A (ja) 1989-05-24 1989-05-24 光ディスク記録再生方法
JP2231709A Division JPH03181021A (ja) 1990-08-31 1990-08-31 光ディスクおよびその記録再生方法

Publications (2)

Publication Number Publication Date
JPS6066332A JPS6066332A (ja) 1985-04-16
JPH0322655B2 true JPH0322655B2 (enExample) 1991-03-27

Family

ID=15993029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58175259A Granted JPS6066332A (ja) 1983-09-21 1983-09-21 光ディスク記録再生方法及び光ディスク

Country Status (1)

Country Link
JP (1) JPS6066332A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61260434A (ja) * 1985-05-14 1986-11-18 Matsushita Electric Ind Co Ltd 光学的記録再生装置
JPH02292744A (ja) * 1989-05-02 1990-12-04 Teac Corp 光ディスク及び光ディスク装置
JP3514708B2 (ja) * 2000-07-24 2004-03-31 シャープ株式会社 光ピックアップ装置
US10362839B2 (en) 2017-08-22 2019-07-30 Ykk Corporation Slide fastener

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7907180A (nl) * 1979-09-27 1981-03-31 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan.

Also Published As

Publication number Publication date
JPS6066332A (ja) 1985-04-16

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