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
- pulse
- optical disc
- 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
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
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 |
EP86112016A EP0213623B1 (en) | 1985-09-02 | 1986-08-30 | Optical disc recording and reproducing apparatus |
DE3650466T DE3650466T2 (de) | 1985-09-02 | 1986-08-30 | Wiedergabegerät für optische Platten |
CA000517307A CA1264085A (en) | 1985-09-02 | 1986-09-02 | Optical disc record reproducing apparatus |
US06/902,593 US4788674A (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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
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)
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 |
-
1985
- 1985-09-02 JP JP60194121A patent/JPS6254831A/ja active Granted
Patent Citations (2)
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)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-09 |