JPH0454301B2 - - Google Patents

Info

Publication number
JPH0454301B2
JPH0454301B2 JP61194364A JP19436486A JPH0454301B2 JP H0454301 B2 JPH0454301 B2 JP H0454301B2 JP 61194364 A JP61194364 A JP 61194364A JP 19436486 A JP19436486 A JP 19436486A JP H0454301 B2 JPH0454301 B2 JP H0454301B2
Authority
JP
Japan
Prior art keywords
tracking
depth
optical
optical depth
pits
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
JP61194364A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6350933A (ja
Inventor
Toshiaki Kashihara
Jinko Watanabe
Kyoshi Tanii
Mieko Kofukada
Yukinori Okazaki
Seizo Tsuji
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 JP61194364A priority Critical patent/JPS6350933A/ja
Publication of JPS6350933A publication Critical patent/JPS6350933A/ja
Publication of JPH0454301B2 publication Critical patent/JPH0454301B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP61194364A 1986-08-20 1986-08-20 平板状情報記録担体 Granted JPS6350933A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61194364A JPS6350933A (ja) 1986-08-20 1986-08-20 平板状情報記録担体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61194364A JPS6350933A (ja) 1986-08-20 1986-08-20 平板状情報記録担体

Publications (2)

Publication Number Publication Date
JPS6350933A JPS6350933A (ja) 1988-03-03
JPH0454301B2 true JPH0454301B2 (enrdf_load_stackoverflow) 1992-08-31

Family

ID=16323350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61194364A Granted JPS6350933A (ja) 1986-08-20 1986-08-20 平板状情報記録担体

Country Status (1)

Country Link
JP (1) JPS6350933A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01241043A (ja) * 1988-03-18 1989-09-26 Canon Inc 光記録媒体及びそれを用いた信号検出方法
JPH0386923A (ja) * 1988-08-31 1991-04-11 Matsushita Electric Ind Co Ltd 光ディスク
JPH0273539A (ja) * 1988-09-09 1990-03-13 Nec Corp 光ディスク基板
JP2868682B2 (ja) 1992-05-15 1999-03-10 シャープ株式会社 光ディスク
JPH05342634A (ja) * 1992-06-10 1993-12-24 Matsushita Electric Ind Co Ltd 平板状情報記録担体とスタンパー
CN1143287C (zh) * 1995-12-28 2004-03-24 索尼株式会社 光盘
US6343062B1 (en) * 1997-09-26 2002-01-29 Matsushita Electric Industrial Co., Ltd Optical disk device and optical disk for recording and reproducing high-density signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210102A (en) * 1975-07-15 1977-01-26 Canon Inc Recording medium
NL7809227A (nl) * 1978-09-11 1980-03-13 Philips Nv Registratiedrager met een optisch uitleesbare, stra- lingsreflekterende informatiestruktuur.
JPS56145535A (en) * 1980-04-15 1981-11-12 Matsushita Electric Ind Co Ltd Disc for optical recording
JPS5856337U (ja) * 1981-10-13 1983-04-16 大日本印刷株式会社 情報記録用カ−ド
NL8301632A (nl) * 1983-05-09 1984-12-03 Philips Nv Registratiedrager waarin langs optische weg informatie kan worden ingeschreven en uitgelezen.

Also Published As

Publication number Publication date
JPS6350933A (ja) 1988-03-03

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term