JPH0466056B2 - - Google Patents
Info
- Publication number
- JPH0466056B2 JPH0466056B2 JP21048484A JP21048484A JPH0466056B2 JP H0466056 B2 JPH0466056 B2 JP H0466056B2 JP 21048484 A JP21048484 A JP 21048484A JP 21048484 A JP21048484 A JP 21048484A JP H0466056 B2 JPH0466056 B2 JP H0466056B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- tracking
- output
- circuit
- shock
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 25
- 230000035939 shock Effects 0.000 claims description 24
- 230000007547 defect Effects 0.000 claims description 20
- 230000002950 deficient Effects 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 11
- 230000000703 anti-shock Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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
- G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21048484A JPS6190335A (ja) | 1984-10-09 | 1984-10-09 | 光学式デイスクプレ−ヤ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21048484A JPS6190335A (ja) | 1984-10-09 | 1984-10-09 | 光学式デイスクプレ−ヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6190335A JPS6190335A (ja) | 1986-05-08 |
JPH0466056B2 true JPH0466056B2 (en]) | 1992-10-22 |
Family
ID=16590107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21048484A Granted JPS6190335A (ja) | 1984-10-09 | 1984-10-09 | 光学式デイスクプレ−ヤ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6190335A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2544393B2 (ja) * | 1987-07-23 | 1996-10-16 | シャープ株式会社 | ピックアップ素子の変位修正サ−ボ装置 |
JPH064923U (ja) * | 1992-06-12 | 1994-01-21 | 株式会社ケンウッド | 光ディスク再生装置の傷検出回路および光ディスク再生装置 |
-
1984
- 1984-10-09 JP JP21048484A patent/JPS6190335A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6190335A (ja) | 1986-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |