JPS6111946A - トラツキング誤差信号検出装置 - Google Patents
トラツキング誤差信号検出装置Info
- Publication number
- JPS6111946A JPS6111946A JP12094985A JP12094985A JPS6111946A JP S6111946 A JPS6111946 A JP S6111946A JP 12094985 A JP12094985 A JP 12094985A JP 12094985 A JP12094985 A JP 12094985A JP S6111946 A JPS6111946 A JP S6111946A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- jumping
- record carrier
- light beam
- 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 22
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000009191 jumping Effects 0.000 description 57
- 238000010586 diagram Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 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
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12094985A JPS6111946A (ja) | 1985-06-04 | 1985-06-04 | トラツキング誤差信号検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12094985A JPS6111946A (ja) | 1985-06-04 | 1985-06-04 | トラツキング誤差信号検出装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10403878A Division JPS5532239A (en) | 1978-08-25 | 1978-08-25 | Reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6111946A true JPS6111946A (ja) | 1986-01-20 |
| JPH057790B2 JPH057790B2 (enrdf_load_stackoverflow) | 1993-01-29 |
Family
ID=14798958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12094985A Granted JPS6111946A (ja) | 1985-06-04 | 1985-06-04 | トラツキング誤差信号検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6111946A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS518818A (enrdf_load_stackoverflow) * | 1974-07-09 | 1976-01-24 | Matsushita Electric Ind Co Ltd |
-
1985
- 1985-06-04 JP JP12094985A patent/JPS6111946A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS518818A (enrdf_load_stackoverflow) * | 1974-07-09 | 1976-01-24 | Matsushita Electric Ind Co Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057790B2 (enrdf_load_stackoverflow) | 1993-01-29 |
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