JPS5641530A - Photodisk recording device - Google Patents
Photodisk recording deviceInfo
- Publication number
- JPS5641530A JPS5641530A JP11640279A JP11640279A JPS5641530A JP S5641530 A JPS5641530 A JP S5641530A JP 11640279 A JP11640279 A JP 11640279A JP 11640279 A JP11640279 A JP 11640279A JP S5641530 A JPS5641530 A JP S5641530A
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- modulator
- laser
- focusing
- writing
- 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.)
- Pending
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11640279A JPS5641530A (en) | 1979-09-11 | 1979-09-11 | Photodisk recording device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11640279A JPS5641530A (en) | 1979-09-11 | 1979-09-11 | Photodisk recording device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5641530A true JPS5641530A (en) | 1981-04-18 |
Family
ID=14686150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11640279A Pending JPS5641530A (en) | 1979-09-11 | 1979-09-11 | Photodisk recording device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5641530A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546463A (en) * | 1981-04-21 | 1985-10-08 | U.S. Philips Corporation | Apparatus for recording and reading information tracks on an optical record carrier with a beam of radiation |
US4703408A (en) * | 1983-11-28 | 1987-10-27 | Hitachi, Ltd. | Apparatus and record carrier for optically writing information |
US4766582A (en) * | 1983-11-22 | 1988-08-23 | Kabushiki Kaisha Toshiba | Optical head |
-
1979
- 1979-09-11 JP JP11640279A patent/JPS5641530A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546463A (en) * | 1981-04-21 | 1985-10-08 | U.S. Philips Corporation | Apparatus for recording and reading information tracks on an optical record carrier with a beam of radiation |
US4766582A (en) * | 1983-11-22 | 1988-08-23 | Kabushiki Kaisha Toshiba | Optical head |
US4703408A (en) * | 1983-11-28 | 1987-10-27 | Hitachi, Ltd. | Apparatus and record carrier for optically writing information |
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