JPS61233478A - 回転記録体トラッキング装置 - Google Patents
回転記録体トラッキング装置Info
- Publication number
- JPS61233478A JPS61233478A JP7252885A JP7252885A JPS61233478A JP S61233478 A JPS61233478 A JP S61233478A JP 7252885 A JP7252885 A JP 7252885A JP 7252885 A JP7252885 A JP 7252885A JP S61233478 A JPS61233478 A JP S61233478A
- Authority
- JP
- Japan
- Prior art keywords
- head
- track
- envelope
- recording body
- tracks
- 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 19
- 230000007246 mechanism Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004886 head movement Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 101000772194 Homo sapiens Transthyretin Proteins 0.000 description 1
- 102100029290 Transthyretin Human genes 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59605—Circuits
- G11B5/59611—Detection or processing of peak/envelop signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7252885A JPS61233478A (ja) | 1985-04-08 | 1985-04-08 | 回転記録体トラッキング装置 |
| US06/845,338 US4689700A (en) | 1985-04-08 | 1986-03-28 | Tracking apparatus for rotary recording medium on the basis of envelope detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7252885A JPS61233478A (ja) | 1985-04-08 | 1985-04-08 | 回転記録体トラッキング装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61233478A true JPS61233478A (ja) | 1986-10-17 |
| JPH0467708B2 JPH0467708B2 (enrdf_load_stackoverflow) | 1992-10-29 |
Family
ID=13491923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7252885A Granted JPS61233478A (ja) | 1985-04-08 | 1985-04-08 | 回転記録体トラッキング装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61233478A (enrdf_load_stackoverflow) |
-
1985
- 1985-04-08 JP JP7252885A patent/JPS61233478A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0467708B2 (enrdf_load_stackoverflow) | 1992-10-29 |
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