JPH0193615U - - Google Patents
Info
- Publication number
- JPH0193615U JPH0193615U JP18856787U JP18856787U JPH0193615U JP H0193615 U JPH0193615 U JP H0193615U JP 18856787 U JP18856787 U JP 18856787U JP 18856787 U JP18856787 U JP 18856787U JP H0193615 U JPH0193615 U JP H0193615U
- Authority
- JP
- Japan
- Prior art keywords
- disk device
- optical disk
- frequency signal
- predetermined frequency
- tracking drive
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18856787U JPH0193615U (en, 2012) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18856787U JPH0193615U (en, 2012) | 1987-12-11 | 1987-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193615U true JPH0193615U (en, 2012) | 1989-06-20 |
Family
ID=31479651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18856787U Pending JPH0193615U (en, 2012) | 1987-12-11 | 1987-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193615U (en, 2012) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6222244A (ja) * | 1985-07-19 | 1987-01-30 | Nippon Gakki Seizo Kk | 光学式再生装置のフオ−カスサ−チ回路 |
| JPS6246438A (ja) * | 1985-08-26 | 1987-02-28 | Matsushita Electric Ind Co Ltd | 自動焦点引込み装置 |
-
1987
- 1987-12-11 JP JP18856787U patent/JPH0193615U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6222244A (ja) * | 1985-07-19 | 1987-01-30 | Nippon Gakki Seizo Kk | 光学式再生装置のフオ−カスサ−チ回路 |
| JPS6246438A (ja) * | 1985-08-26 | 1987-02-28 | Matsushita Electric Ind Co Ltd | 自動焦点引込み装置 |