JPS6442514U - - Google Patents
Info
- Publication number
- JPS6442514U JPS6442514U JP13648287U JP13648287U JPS6442514U JP S6442514 U JPS6442514 U JP S6442514U JP 13648287 U JP13648287 U JP 13648287U JP 13648287 U JP13648287 U JP 13648287U JP S6442514 U JPS6442514 U JP S6442514U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- switch
- capacitor
- focus search
- switches
- 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
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13648287U JPH0521697Y2 (https=) | 1987-09-07 | 1987-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13648287U JPH0521697Y2 (https=) | 1987-09-07 | 1987-09-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6442514U true JPS6442514U (https=) | 1989-03-14 |
| JPH0521697Y2 JPH0521697Y2 (https=) | 1993-06-03 |
Family
ID=31397035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13648287U Expired - Lifetime JPH0521697Y2 (https=) | 1987-09-07 | 1987-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521697Y2 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009283109A (ja) * | 2008-05-26 | 2009-12-03 | Sony Corp | 光ディスク装置及びフォーカス制御方法 |
| JP2010218685A (ja) * | 2010-06-02 | 2010-09-30 | Sony Corp | 光ディスク装置及びフォーカス制御方法 |
-
1987
- 1987-09-07 JP JP13648287U patent/JPH0521697Y2/ja not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009283109A (ja) * | 2008-05-26 | 2009-12-03 | Sony Corp | 光ディスク装置及びフォーカス制御方法 |
| WO2009145330A1 (ja) * | 2008-05-26 | 2009-12-03 | ソニー株式会社 | 光ディスク装置及びフォーカス制御方法 |
| US8274875B2 (en) | 2008-05-26 | 2012-09-25 | Sony Corporation | Optical disc device and focus control method |
| JP2010218685A (ja) * | 2010-06-02 | 2010-09-30 | Sony Corp | 光ディスク装置及びフォーカス制御方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521697Y2 (https=) | 1993-06-03 |