JPS5975466A - 情報再生装置 - Google Patents
情報再生装置Info
- Publication number
- JPS5975466A JPS5975466A JP18566382A JP18566382A JPS5975466A JP S5975466 A JPS5975466 A JP S5975466A JP 18566382 A JP18566382 A JP 18566382A JP 18566382 A JP18566382 A JP 18566382A JP S5975466 A JPS5975466 A JP S5975466A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pass filter
- error signal
- information
- low
- 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
- 230000007547 defect Effects 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims description 45
- 239000003990 capacitor Substances 0.000 claims description 10
- 239000000284 extract Substances 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 24
- 230000002950 deficient Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Control Of Position Or Direction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18566382A JPS5975466A (ja) | 1982-10-21 | 1982-10-21 | 情報再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18566382A JPS5975466A (ja) | 1982-10-21 | 1982-10-21 | 情報再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5975466A true JPS5975466A (ja) | 1984-04-28 |
| JPH0136193B2 JPH0136193B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-28 |
Family
ID=16174688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18566382A Granted JPS5975466A (ja) | 1982-10-21 | 1982-10-21 | 情報再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5975466A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1982
- 1982-10-21 JP JP18566382A patent/JPS5975466A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0136193B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-28 |