JPS62202620U - - Google Patents
Info
- Publication number
- JPS62202620U JPS62202620U JP8856586U JP8856586U JPS62202620U JP S62202620 U JPS62202620 U JP S62202620U JP 8856586 U JP8856586 U JP 8856586U JP 8856586 U JP8856586 U JP 8856586U JP S62202620 U JPS62202620 U JP S62202620U
- Authority
- JP
- Japan
- Prior art keywords
- offset
- error signal
- focus servo
- servo device
- focus
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986088565U JPH0433543Y2 (enrdf_load_stackoverflow) | 1986-06-12 | 1986-06-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986088565U JPH0433543Y2 (enrdf_load_stackoverflow) | 1986-06-12 | 1986-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62202620U true JPS62202620U (enrdf_load_stackoverflow) | 1987-12-24 |
JPH0433543Y2 JPH0433543Y2 (enrdf_load_stackoverflow) | 1992-08-11 |
Family
ID=30946775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986088565U Expired JPH0433543Y2 (enrdf_load_stackoverflow) | 1986-06-12 | 1986-06-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0433543Y2 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0486223U (enrdf_load_stackoverflow) * | 1990-11-30 | 1992-07-27 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62264439A (ja) * | 1986-05-09 | 1987-11-17 | Sanyo Electric Co Ltd | フオ−カス制御装置 |
-
1986
- 1986-06-12 JP JP1986088565U patent/JPH0433543Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62264439A (ja) * | 1986-05-09 | 1987-11-17 | Sanyo Electric Co Ltd | フオ−カス制御装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0486223U (enrdf_load_stackoverflow) * | 1990-11-30 | 1992-07-27 |
Also Published As
Publication number | Publication date |
---|---|
JPH0433543Y2 (enrdf_load_stackoverflow) | 1992-08-11 |