CA1096037A - Dynamic deskewing for a rotating head recording device - Google Patents
Dynamic deskewing for a rotating head recording deviceInfo
- Publication number
- CA1096037A CA1096037A CA277,576A CA277576A CA1096037A CA 1096037 A CA1096037 A CA 1096037A CA 277576 A CA277576 A CA 277576A CA 1096037 A CA1096037 A CA 1096037A
- Authority
- CA
- Canada
- Prior art keywords
- media
- head
- pulses
- control
- stop
- 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
- 230000002463 transducing effect Effects 0.000 claims abstract description 18
- 238000013519 translation Methods 0.000 claims abstract description 3
- 239000004020 conductor Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 102100034742 Rotatin Human genes 0.000 description 1
- 101710200213 Rotatin Proteins 0.000 description 1
- VREFGVBLTWBCJP-UHFFFAOYSA-N alprazolam Chemical compound C12=CC(Cl)=CC=C2N2C(C)=NN=C2CN=C1C1=CC=CC=C1 VREFGVBLTWBCJP-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- ANTSCNMPPGJYLG-UHFFFAOYSA-N chlordiazepoxide Chemical compound O=N=1CC(NC)=NC2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 ANTSCNMPPGJYLG-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002829 reductive effect Effects 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
- G11B5/584—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 tapes
- G11B5/588—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 tapes by controlling the position of the rotating heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/602—Guiding record carrier for track selection, acquisition or following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Control Of Position Or Direction (AREA)
- Control Of Velocity Or Acceleration (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US682,549 | 1976-05-03 | ||
| US05/682,549 UST959012I4 (en) | 1976-05-03 | 1976-05-03 | Dynamic deskewing for a rotating head recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096037A true CA1096037A (en) | 1981-02-17 |
Family
ID=24740182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA277,576A Expired CA1096037A (en) | 1976-05-03 | 1977-05-02 | Dynamic deskewing for a rotating head recording device |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | UST959012I4 (ref) |
| JP (1) | JPS5822819B2 (ref) |
| BR (1) | BR7702851A (ref) |
| CA (1) | CA1096037A (ref) |
| DE (1) | DE2718203A1 (ref) |
| FR (1) | FR2350658A1 (ref) |
| GB (1) | GB1530099A (ref) |
| IT (1) | IT1115462B (ref) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625254A (en) * | 1979-08-04 | 1981-03-11 | Nippon Shiyuuhenki Kk | Skew correction system |
| JPS56145552A (en) * | 1980-04-11 | 1981-11-12 | Nippon Shiyuuhenki Kk | Skew correction system |
-
1976
- 1976-05-03 US US05/682,549 patent/UST959012I4/en active Pending
-
1977
- 1977-03-02 FR FR7706857A patent/FR2350658A1/fr active Granted
- 1977-04-08 JP JP52039583A patent/JPS5822819B2/ja not_active Expired
- 1977-04-15 IT IT22489/77A patent/IT1115462B/it active
- 1977-04-23 DE DE19772718203 patent/DE2718203A1/de not_active Withdrawn
- 1977-04-25 GB GB17185/77A patent/GB1530099A/en not_active Expired
- 1977-05-02 CA CA277,576A patent/CA1096037A/en not_active Expired
- 1977-05-03 BR BR7702851A patent/BR7702851A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5822819B2 (ja) | 1983-05-11 |
| FR2350658A1 (fr) | 1977-12-02 |
| FR2350658B1 (ref) | 1980-02-01 |
| UST959012I4 (en) | 1977-06-07 |
| DE2718203A1 (de) | 1977-11-24 |
| GB1530099A (en) | 1978-10-25 |
| BR7702851A (pt) | 1978-04-04 |
| IT1115462B (it) | 1986-02-03 |
| JPS52134409A (en) | 1977-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |