JPS6325413B2 - - Google Patents
Info
- Publication number
- JPS6325413B2 JPS6325413B2 JP56147124A JP14712481A JPS6325413B2 JP S6325413 B2 JPS6325413 B2 JP S6325413B2 JP 56147124 A JP56147124 A JP 56147124A JP 14712481 A JP14712481 A JP 14712481A JP S6325413 B2 JPS6325413 B2 JP S6325413B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- optical
- optical disk
- output
- tilt
- 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 118
- 238000001514 detection method Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000003321 amplification Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 108010014173 Factor X Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14712481A JPS5848243A (ja) | 1981-09-17 | 1981-09-17 | 光学的記録再生装置のトラツク追跡装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14712481A JPS5848243A (ja) | 1981-09-17 | 1981-09-17 | 光学的記録再生装置のトラツク追跡装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5848243A JPS5848243A (ja) | 1983-03-22 |
JPS6325413B2 true JPS6325413B2 (US20110009641A1-20110113-C00256.png) | 1988-05-25 |
Family
ID=15423079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14712481A Granted JPS5848243A (ja) | 1981-09-17 | 1981-09-17 | 光学的記録再生装置のトラツク追跡装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5848243A (US20110009641A1-20110113-C00256.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01146413U (US20110009641A1-20110113-C00256.png) * | 1988-03-31 | 1989-10-09 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58183639U (ja) * | 1982-05-28 | 1983-12-07 | 赤井電機株式会社 | 光ピツクアツプのトラツキングエラ−信号検出装置 |
JPS60170035A (ja) * | 1984-02-13 | 1985-09-03 | Toshiba Corp | 光学式情報再生装置のトラッキング制御方法 |
JPS60146921U (ja) * | 1984-03-07 | 1985-09-30 | アルプス電気株式会社 | トラツキングエラ−信号発生回路 |
JPH0685225B2 (ja) * | 1984-07-23 | 1994-10-26 | ソニー株式会社 | トラッキングエラー信号の検出装置 |
JPS6252735A (ja) * | 1985-08-30 | 1987-03-07 | Pioneer Electronic Corp | 光学式情報記録再生装置 |
JPS6289246A (ja) * | 1985-10-16 | 1987-04-23 | Sankyo Seiki Mfg Co Ltd | 光記録媒体傾き検出装置 |
US4864552A (en) * | 1986-08-29 | 1989-09-05 | Laser Magnetic Storage International Company | Driving signal for coarse servo employing sampled offset signal |
JPS63103443A (ja) * | 1986-10-21 | 1988-05-09 | Hitachi Ltd | 光ヘツド |
KR100622946B1 (ko) * | 2004-06-15 | 2006-09-19 | 삼성전자주식회사 | 광기록 및 재생장치에 있어서 기록 및 미기록 영역의판별에 기초한 디펙 보정 방법 및 장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57199903A (en) * | 1981-06-03 | 1982-12-08 | Matsushita Electric Ind Co Ltd | Position detector |
JPS57199904A (en) * | 1981-06-03 | 1982-12-08 | Matsushita Electric Ind Co Ltd | Inclination controller |
-
1981
- 1981-09-17 JP JP14712481A patent/JPS5848243A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57199903A (en) * | 1981-06-03 | 1982-12-08 | Matsushita Electric Ind Co Ltd | Position detector |
JPS57199904A (en) * | 1981-06-03 | 1982-12-08 | Matsushita Electric Ind Co Ltd | Inclination controller |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01146413U (US20110009641A1-20110113-C00256.png) * | 1988-03-31 | 1989-10-09 |
Also Published As
Publication number | Publication date |
---|---|
JPS5848243A (ja) | 1983-03-22 |
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