JPS59207437A - 情報記録装置 - Google Patents

情報記録装置

Info

Publication number
JPS59207437A
JPS59207437A JP8091383A JP8091383A JPS59207437A JP S59207437 A JPS59207437 A JP S59207437A JP 8091383 A JP8091383 A JP 8091383A JP 8091383 A JP8091383 A JP 8091383A JP S59207437 A JPS59207437 A JP S59207437A
Authority
JP
Japan
Prior art keywords
signal
level
circuit
level detection
detection signal
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
JP8091383A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0430087B2 (de
Inventor
Hidemichi Shirai
白井　秀道
Yoshio Ozaki
尾崎　義夫
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP8091383A priority Critical patent/JPS59207437A/ja
Publication of JPS59207437A publication Critical patent/JPS59207437A/ja
Publication of JPH0430087B2 publication Critical patent/JPH0430087B2/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
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B20/10009—Improvement or modification of read or write signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
JP8091383A 1983-05-11 1983-05-11 情報記録装置 Granted JPS59207437A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8091383A JPS59207437A (ja) 1983-05-11 1983-05-11 情報記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8091383A JPS59207437A (ja) 1983-05-11 1983-05-11 情報記録装置

Publications (2)

Publication Number Publication Date
JPS59207437A true JPS59207437A (ja) 1984-11-24
JPH0430087B2 JPH0430087B2 (de) 1992-05-20

Family

ID=13731625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8091383A Granted JPS59207437A (ja) 1983-05-11 1983-05-11 情報記録装置

Country Status (1)

Country Link
JP (1) JPS59207437A (de)

Also Published As

Publication number Publication date
JPH0430087B2 (de) 1992-05-20

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