JPH0127490B2 - - Google Patents

Info

Publication number
JPH0127490B2
JPH0127490B2 JP57042862A JP4286282A JPH0127490B2 JP H0127490 B2 JPH0127490 B2 JP H0127490B2 JP 57042862 A JP57042862 A JP 57042862A JP 4286282 A JP4286282 A JP 4286282A JP H0127490 B2 JPH0127490 B2 JP H0127490B2
Authority
JP
Japan
Prior art keywords
information
pulse
signal
pattern
recorded
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
JP57042862A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57164443A (en
Inventor
Kazuo Takasugi
Norio Yokozawa
Shinichi Hayashi
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 JP4286282A priority Critical patent/JPS57164443A/ja
Publication of JPS57164443A publication Critical patent/JPS57164443A/ja
Publication of JPH0127490B2 publication Critical patent/JPH0127490B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
JP4286282A 1982-03-19 1982-03-19 Optical recording medium and information reproducing device Granted JPS57164443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4286282A JPS57164443A (en) 1982-03-19 1982-03-19 Optical recording medium and information reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4286282A JPS57164443A (en) 1982-03-19 1982-03-19 Optical recording medium and information reproducing device

Publications (2)

Publication Number Publication Date
JPS57164443A JPS57164443A (en) 1982-10-09
JPH0127490B2 true JPH0127490B2 (en]) 1989-05-29

Family

ID=12647837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4286282A Granted JPS57164443A (en) 1982-03-19 1982-03-19 Optical recording medium and information reproducing device

Country Status (1)

Country Link
JP (1) JPS57164443A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031290U (en]) * 1989-05-25 1991-01-09
JPH0414783U (en]) * 1990-05-25 1992-02-06

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731877B2 (ja) * 1985-07-03 1995-04-10 株式会社日立製作所 情報記録再生方法及び装置
EP1022736B1 (en) 1996-02-08 2002-07-03 Matsushita Electric Industrial Co., Ltd. Optical disk, optical disk device, and method of reproducing information on optical disk

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7402077A (nl) * 1974-02-15 1975-08-19 Philips Nv Systeem bevattende een afspeelinrichting en een daarbij behorende langspeelplaat.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031290U (en]) * 1989-05-25 1991-01-09
JPH0414783U (en]) * 1990-05-25 1992-02-06

Also Published As

Publication number Publication date
JPS57164443A (en) 1982-10-09

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