JPH01138214U - - Google Patents
Info
- Publication number
- JPH01138214U JPH01138214U JP3268588U JP3268588U JPH01138214U JP H01138214 U JPH01138214 U JP H01138214U JP 3268588 U JP3268588 U JP 3268588U JP 3268588 U JP3268588 U JP 3268588U JP H01138214 U JPH01138214 U JP H01138214U
- Authority
- JP
- Japan
- Prior art keywords
- error signal
- tracking error
- recording medium
- driving means
- optical system
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3268588U JPH01138214U (US06272168-20010807-M00014.png) | 1988-03-11 | 1988-03-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3268588U JPH01138214U (US06272168-20010807-M00014.png) | 1988-03-11 | 1988-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01138214U true JPH01138214U (US06272168-20010807-M00014.png) | 1989-09-21 |
Family
ID=31259237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3268588U Pending JPH01138214U (US06272168-20010807-M00014.png) | 1988-03-11 | 1988-03-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01138214U (US06272168-20010807-M00014.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012164403A (ja) * | 2011-02-08 | 2012-08-30 | Nhk Spring Co Ltd | 磁気ディスク装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845666A (ja) * | 1981-09-07 | 1983-03-16 | Sony Corp | デイスク再生装置のサ−ボ回路 |
JPS5977636A (ja) * | 1982-10-25 | 1984-05-04 | Nippon Gakki Seizo Kk | デイスク再生装置におけるピツクアツプの制御装置 |
JPS61182639A (ja) * | 1985-02-08 | 1986-08-15 | Hitachi Ltd | 光学式記録再生装置のトラツキング制御回路 |
-
1988
- 1988-03-11 JP JP3268588U patent/JPH01138214U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845666A (ja) * | 1981-09-07 | 1983-03-16 | Sony Corp | デイスク再生装置のサ−ボ回路 |
JPS5977636A (ja) * | 1982-10-25 | 1984-05-04 | Nippon Gakki Seizo Kk | デイスク再生装置におけるピツクアツプの制御装置 |
JPS61182639A (ja) * | 1985-02-08 | 1986-08-15 | Hitachi Ltd | 光学式記録再生装置のトラツキング制御回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012164403A (ja) * | 2011-02-08 | 2012-08-30 | Nhk Spring Co Ltd | 磁気ディスク装置 |
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