JPS6254831A - 光デイスク記録再生装置 - Google Patents

光デイスク記録再生装置

Info

Publication number
JPS6254831A
JPS6254831A JP60194121A JP19412185A JPS6254831A JP S6254831 A JPS6254831 A JP S6254831A JP 60194121 A JP60194121 A JP 60194121A JP 19412185 A JP19412185 A JP 19412185A JP S6254831 A JPS6254831 A JP S6254831A
Authority
JP
Japan
Prior art keywords
recording
laser beam
signal
laser
intensity
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
JP60194121A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0421251B2 (enrdf_load_stackoverflow
Inventor
Shigemi Maeda
茂己 前田
Toshihisa Deguchi
出口　敏久
Takeshi Yamaguchi
毅 山口
Shozo Kobayashi
省三 小林
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 JP60194121A priority Critical patent/JPS6254831A/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 JPS6254831A publication Critical patent/JPS6254831A/ja
Publication of JPH0421251B2 publication Critical patent/JPH0421251B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP60194121A 1985-09-02 1985-09-02 光デイスク記録再生装置 Granted JPS6254831A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60194121A JPS6254831A (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
JP60194121A JPS6254831A (ja) 1985-09-02 1985-09-02 光デイスク記録再生装置

Publications (2)

Publication Number Publication Date
JPS6254831A true JPS6254831A (ja) 1987-03-10
JPH0421251B2 JPH0421251B2 (enrdf_load_stackoverflow) 1992-04-09

Family

ID=16319261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60194121A Granted JPS6254831A (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) JPS6254831A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345434A (en) * 1990-06-29 1994-09-06 Hitachi, Ltd. Method and apparatus for correcting edge interval of record signal in an optical record/read-out apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223955A (ja) * 1983-05-20 1984-12-15 トムソン−セエスエフ 光学基板に照射される集束ビームの較正方法及び装置
JPS61239441A (ja) * 1985-04-16 1986-10-24 Olympus Optical Co Ltd 光学的記録再生装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223955A (ja) * 1983-05-20 1984-12-15 トムソン−セエスエフ 光学基板に照射される集束ビームの較正方法及び装置
JPS61239441A (ja) * 1985-04-16 1986-10-24 Olympus Optical Co Ltd 光学的記録再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345434A (en) * 1990-06-29 1994-09-06 Hitachi, Ltd. Method and apparatus for correcting edge interval of record signal in an optical record/read-out apparatus

Also Published As

Publication number Publication date
JPH0421251B2 (enrdf_load_stackoverflow) 1992-04-09

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