JPH0421250B2 - - Google Patents

Info

Publication number
JPH0421250B2
JPH0421250B2 JP60194120A JP19412085A JPH0421250B2 JP H0421250 B2 JPH0421250 B2 JP H0421250B2 JP 60194120 A JP60194120 A JP 60194120A JP 19412085 A JP19412085 A JP 19412085A JP H0421250 B2 JPH0421250 B2 JP H0421250B2
Authority
JP
Japan
Prior art keywords
pulse width
signal
laser beam
pulse
recording
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
JP60194120A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6254830A (ja
Inventor
Shigemi Maeda
Toshihisa Deguchi
Takeshi Yamaguchi
Shozo Kobayashi
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP60194120A priority Critical patent/JPS6254830A/ja
Priority to DE3650466T priority patent/DE3650466T2/de
Priority to EP86112016A priority patent/EP0213623B1/en
Priority to US06/902,593 priority patent/US4788674A/en
Priority to CA000517307A priority patent/CA1264085A/en
Publication of JPS6254830A publication Critical patent/JPS6254830A/ja
Publication of JPH0421250B2 publication Critical patent/JPH0421250B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP60194120A 1985-09-02 1985-09-02 光デイスク記録再生装置 Granted JPS6254830A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60194120A JPS6254830A (ja) 1985-09-02 1985-09-02 光デイスク記録再生装置
DE3650466T DE3650466T2 (de) 1985-09-02 1986-08-30 Wiedergabegerät für optische Platten
EP86112016A EP0213623B1 (en) 1985-09-02 1986-08-30 Optical disc recording and reproducing apparatus
US06/902,593 US4788674A (en) 1985-09-02 1986-09-02 Optical disc record reproducing apparatus
CA000517307A CA1264085A (en) 1985-09-02 1986-09-02 Optical disc record reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60194120A JPS6254830A (ja) 1985-09-02 1985-09-02 光デイスク記録再生装置

Publications (2)

Publication Number Publication Date
JPS6254830A JPS6254830A (ja) 1987-03-10
JPH0421250B2 true JPH0421250B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-04-09

Family

ID=16319247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60194120A Granted JPS6254830A (ja) 1985-09-02 1985-09-02 光デイスク記録再生装置

Country Status (1)

Country Link
JP (1) JPS6254830A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271724A (ja) * 1987-04-28 1988-11-09 Sharp Corp 記録再生装置
JP2650357B2 (ja) * 1988-09-30 1997-09-03 松下電器産業株式会社 光学情報記録部材の記録方法
JP2589817B2 (ja) * 1989-08-02 1997-03-12 シャープ株式会社 光メモリ用記録再生装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61239441A (ja) * 1985-04-16 1986-10-24 Olympus Optical Co Ltd 光学的記録再生装置

Also Published As

Publication number Publication date
JPS6254830A (ja) 1987-03-10

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