JPS6321970B2 - - Google Patents
Info
- Publication number
- JPS6321970B2 JPS6321970B2 JP56027842A JP2784281A JPS6321970B2 JP S6321970 B2 JPS6321970 B2 JP S6321970B2 JP 56027842 A JP56027842 A JP 56027842A JP 2784281 A JP2784281 A JP 2784281A JP S6321970 B2 JPS6321970 B2 JP S6321970B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- head
- track
- sample
- level
- 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
- 238000005070 sampling Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 239000000284 extract Substances 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001960 triggered 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
- G11B5/592—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 using bimorph elements supporting the heads
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Control Of Position Or Direction (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56027842A JPS57143724A (en) | 1981-02-27 | 1981-02-27 | Track shift detection system |
US06/347,395 US4470079A (en) | 1981-02-13 | 1982-02-10 | Tracking control system in a magnetic recording and reproducing apparatus |
FR8202331A FR2500243B1 (enrdf_load_stackoverflow) | 1981-02-13 | 1982-02-12 | |
GB8204425A GB2096801B (en) | 1981-02-13 | 1982-02-15 | Tracking control system in a magnetic recording and reproducing apparatus |
DE19823205278 DE3205278A1 (de) | 1981-02-13 | 1982-02-15 | Spurnachlaufsteueranordnung fuer ein magnetisches aufzeichen- und wiedergabegeraet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56027842A JPS57143724A (en) | 1981-02-27 | 1981-02-27 | Track shift detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57143724A JPS57143724A (en) | 1982-09-06 |
JPS6321970B2 true JPS6321970B2 (enrdf_load_stackoverflow) | 1988-05-10 |
Family
ID=12232163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56027842A Granted JPS57143724A (en) | 1981-02-13 | 1981-02-27 | Track shift detection system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57143724A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0671156U (ja) * | 1993-03-26 | 1994-10-04 | 株式会社細川活版所 | 潜像眩惑型コピー偽造防止用紙 |
JPH071879A (ja) * | 1993-03-01 | 1995-01-06 | Standard Register Co:The | 保証書類 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544967A (en) * | 1982-04-02 | 1985-10-01 | Ampex Corporation | Automatic scan tracking servo system |
-
1981
- 1981-02-27 JP JP56027842A patent/JPS57143724A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH071879A (ja) * | 1993-03-01 | 1995-01-06 | Standard Register Co:The | 保証書類 |
JPH0671156U (ja) * | 1993-03-26 | 1994-10-04 | 株式会社細川活版所 | 潜像眩惑型コピー偽造防止用紙 |
Also Published As
Publication number | Publication date |
---|---|
JPS57143724A (en) | 1982-09-06 |
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