JPS5760568A - Controller for pickup - Google Patents
Controller for pickupInfo
- Publication number
- JPS5760568A JPS5760568A JP13565780A JP13565780A JPS5760568A JP S5760568 A JPS5760568 A JP S5760568A JP 13565780 A JP13565780 A JP 13565780A JP 13565780 A JP13565780 A JP 13565780A JP S5760568 A JPS5760568 A JP S5760568A
- Authority
- JP
- Japan
- Prior art keywords
- resonance
- electromotive force
- coil
- pickup
- counter electromotive
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13565780A JPS5760568A (en) | 1980-09-29 | 1980-09-29 | Controller for pickup |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13565780A JPS5760568A (en) | 1980-09-29 | 1980-09-29 | Controller for pickup |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5760568A true JPS5760568A (en) | 1982-04-12 |
Family
ID=15156897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13565780A Pending JPS5760568A (en) | 1980-09-29 | 1980-09-29 | Controller for pickup |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5760568A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938936A (ja) * | 1982-08-28 | 1984-03-03 | Sony Corp | 情報再生装置のサ−ボコントロ−ル回路 |
JPS5948837A (ja) * | 1982-09-13 | 1984-03-21 | Pioneer Electronic Corp | トランスジユ−サ駆動装置 |
JPS60131646A (ja) * | 1983-12-20 | 1985-07-13 | Nec Corp | 光デイスク装置におけるトラツキング制御装置 |
JPS61130025U (ja) * | 1985-01-29 | 1986-08-14 | ||
JPH09251647A (ja) * | 1996-02-01 | 1997-09-22 | Samsung Electron Co Ltd | 光磁気ディスクのフォーカスサーボ装置とトラッキングサーボ装置及びこれを用いた光磁気ディスクのサーボ装置 |
-
1980
- 1980-09-29 JP JP13565780A patent/JPS5760568A/ja active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938936A (ja) * | 1982-08-28 | 1984-03-03 | Sony Corp | 情報再生装置のサ−ボコントロ−ル回路 |
JPH0526253B2 (ja) * | 1982-08-28 | 1993-04-15 | Sony Corp | |
JPS5948837A (ja) * | 1982-09-13 | 1984-03-21 | Pioneer Electronic Corp | トランスジユ−サ駆動装置 |
JPH0373936B2 (ja) * | 1982-09-13 | 1991-11-25 | ||
JPS60131646A (ja) * | 1983-12-20 | 1985-07-13 | Nec Corp | 光デイスク装置におけるトラツキング制御装置 |
JPH0547901B2 (ja) * | 1983-12-20 | 1993-07-20 | Nippon Electric Co | |
JPS61130025U (ja) * | 1985-01-29 | 1986-08-14 | ||
JPH09251647A (ja) * | 1996-02-01 | 1997-09-22 | Samsung Electron Co Ltd | 光磁気ディスクのフォーカスサーボ装置とトラッキングサーボ装置及びこれを用いた光磁気ディスクのサーボ装置 |
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