JPS61140438U - - Google Patents
Info
- Publication number
- JPS61140438U JPS61140438U JP2436885U JP2436885U JPS61140438U JP S61140438 U JPS61140438 U JP S61140438U JP 2436885 U JP2436885 U JP 2436885U JP 2436885 U JP2436885 U JP 2436885U JP S61140438 U JPS61140438 U JP S61140438U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- signal
- laser
- inner circumference
- linear velocity
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985024368U JPH0731371Y2 (ja) | 1985-02-22 | 1985-02-22 | 光学式デイスク再生装置 |
CA000477207A CA1244941A (en) | 1984-03-24 | 1985-03-22 | Optical disk player |
EP85103391A EP0158193B1 (en) | 1984-03-24 | 1985-03-22 | Optical disk player |
AU40246/85A AU567800B2 (en) | 1984-03-24 | 1985-03-22 | Optical disc player |
AT85103391T ATE44419T1 (de) | 1984-03-24 | 1985-03-22 | Optisches plattengeraet. |
DE8585103391T DE3571356D1 (en) | 1984-03-24 | 1985-03-22 | Optical disk player |
US06/714,870 US4660189A (en) | 1984-03-24 | 1985-03-22 | Optical disk player having reduced laser output during track changes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985024368U JPH0731371Y2 (ja) | 1985-02-22 | 1985-02-22 | 光学式デイスク再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61140438U true JPS61140438U (xx) | 1986-08-30 |
JPH0731371Y2 JPH0731371Y2 (ja) | 1995-07-19 |
Family
ID=30518452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985024368U Expired - Lifetime JPH0731371Y2 (ja) | 1984-03-24 | 1985-02-22 | 光学式デイスク再生装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0731371Y2 (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03104020A (ja) * | 1989-09-18 | 1991-05-01 | Fujitsu Ltd | ディスク装置及びディスク制御方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5641540A (en) * | 1979-09-10 | 1981-04-18 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing unit |
-
1985
- 1985-02-22 JP JP1985024368U patent/JPH0731371Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5641540A (en) * | 1979-09-10 | 1981-04-18 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03104020A (ja) * | 1989-09-18 | 1991-05-01 | Fujitsu Ltd | ディスク装置及びディスク制御方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0731371Y2 (ja) | 1995-07-19 |
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