JPS6349954B2 - - Google Patents
Info
- Publication number
- JPS6349954B2 JPS6349954B2 JP55107938A JP10793880A JPS6349954B2 JP S6349954 B2 JPS6349954 B2 JP S6349954B2 JP 55107938 A JP55107938 A JP 55107938A JP 10793880 A JP10793880 A JP 10793880A JP S6349954 B2 JPS6349954 B2 JP S6349954B2
- Authority
- JP
- Japan
- Prior art keywords
- phase
- track
- speed
- playback
- jump
- 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
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
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 |
|---|---|---|---|
| JP10793880A JPS5733431A (en) | 1980-08-06 | 1980-08-06 | Track following device |
| CA000383245A CA1160337A (en) | 1980-08-06 | 1981-08-05 | Tracking control system |
| US06/290,199 US4438463A (en) | 1980-08-06 | 1981-08-05 | Tracking control system |
| EP81303592A EP0045667B1 (en) | 1980-08-06 | 1981-08-05 | Signal reproduction apparatus |
| DE8181303592T DE3174661D1 (en) | 1980-08-06 | 1981-08-05 | Signal reproduction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10793880A JPS5733431A (en) | 1980-08-06 | 1980-08-06 | Track following device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5733431A JPS5733431A (en) | 1982-02-23 |
| JPS6349954B2 true JPS6349954B2 (enExample) | 1988-10-06 |
Family
ID=14471847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10793880A Granted JPS5733431A (en) | 1980-08-06 | 1980-08-06 | Track following device |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4438463A (enExample) |
| EP (1) | EP0045667B1 (enExample) |
| JP (1) | JPS5733431A (enExample) |
| CA (1) | CA1160337A (enExample) |
| DE (1) | DE3174661D1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984001235A1 (en) * | 1982-09-17 | 1984-03-29 | Ampex | An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus |
| JPS59185019A (ja) * | 1983-04-04 | 1984-10-20 | Nec Corp | 特殊再生装置 |
| JPS601866U (ja) * | 1983-06-17 | 1985-01-09 | 株式会社 ムラコシ精工 | ヒンジ |
| JPH0650911B2 (ja) * | 1984-10-26 | 1994-06-29 | ソニー株式会社 | 再生映像信号処理装置 |
| US4607298A (en) * | 1985-02-08 | 1986-08-19 | Sanyo Electric Co., Ltd. | Apparatus for reproducing magnetically recorded video signal |
| US4719525A (en) * | 1985-04-17 | 1988-01-12 | Pioneer Electronic Corporation | Track position correction for a helical scan magnetic playback |
| DE3920141C1 (enExample) * | 1989-06-20 | 1990-08-16 | Arturo Salice S.P.A., Novedrate, Como, It | |
| US7206990B2 (en) * | 2001-09-27 | 2007-04-17 | Seagate Technology Llc | Data sector error handling mechanism |
| US6993688B2 (en) * | 2001-09-27 | 2006-01-31 | Seagate Technology Llc | Data sector error tracking and correction mechanism |
| EP1984800B1 (en) * | 2006-02-15 | 2014-09-17 | Chronologic Pty Ltd | Distributed synchronization and timing system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1073210B (it) | 1976-03-19 | 1985-04-13 | Ampex Corp Soc | Sistema per produrre effetti speciali di movimento in apparecchi di registrazione e riproduzione video |
| JPS54113308A (en) | 1978-02-23 | 1979-09-04 | Sony Corp | Tracking device for magnetic head |
| US4215362A (en) * | 1978-03-23 | 1980-07-29 | Ampex Corporation | Track selection method and apparatus |
| JPS5538649A (en) | 1978-09-07 | 1980-03-18 | Sony Corp | Tracking unit of magnetic head |
| FR2473829B1 (fr) * | 1979-08-21 | 1985-12-27 | Victor Company Of Japan | Appareil magnetique d'enregistrement et de reproduction muni d'un dispositif de reglage des erreurs de suivi de piste de tetes magnetiques rotatives |
-
1980
- 1980-08-06 JP JP10793880A patent/JPS5733431A/ja active Granted
-
1981
- 1981-08-05 EP EP81303592A patent/EP0045667B1/en not_active Expired
- 1981-08-05 US US06/290,199 patent/US4438463A/en not_active Expired - Fee Related
- 1981-08-05 CA CA000383245A patent/CA1160337A/en not_active Expired
- 1981-08-05 DE DE8181303592T patent/DE3174661D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1160337A (en) | 1984-01-10 |
| JPS5733431A (en) | 1982-02-23 |
| EP0045667B1 (en) | 1986-05-21 |
| US4438463A (en) | 1984-03-20 |
| EP0045667A1 (en) | 1982-02-10 |
| DE3174661D1 (en) | 1986-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4163993A (en) | Continuous slow motion automatic tracking system | |
| US4404601A (en) | Head tracking control system | |
| US5057949A (en) | Digital magnetic reproducing apparatus with variable tape speed | |
| US4197564A (en) | Automatically calibrated RF envelope detector circuit | |
| JPS5936487A (ja) | 磁気再生装置 | |
| JPS6247375B2 (enExample) | ||
| JPS6349954B2 (enExample) | ||
| US5392163A (en) | Digital video signal reproducing apparatus with compression and expansion of playback time | |
| US4215362A (en) | Track selection method and apparatus | |
| US4257073A (en) | Quasi-vertical synchronizing signal generator | |
| US4318142A (en) | Automatically compensated movable head servo circuit and method | |
| US4470079A (en) | Tracking control system in a magnetic recording and reproducing apparatus | |
| US4494153A (en) | Method of operating a signal reproduction apparatus for effecting synchronous reproduction of recorded signals | |
| US4319289A (en) | Movable head automatic position acquisition circuit and method | |
| EP0043739B1 (en) | Tracking system | |
| US4308560A (en) | Method of operating a signal reproducing apparatus for effecting synchronous reproduction of recorded signals | |
| EP0119201B1 (en) | An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus | |
| US4445146A (en) | Digital tracking control system for video tape reproducing apparatus | |
| JPS6412007B2 (enExample) | ||
| US4549235A (en) | Apparatus for reproducing video signals | |
| US4796103A (en) | Control pulse recording circuit for dual tape speed recording and reproducing apparatuses using two pairs of heads selectively for selected speed including recording delayed control pulses | |
| JP2597968B2 (ja) | 回転ヘツド型ビデオ信号再生装置 | |
| EP0152242B1 (en) | Video tape recorder | |
| JPS6074142A (ja) | ビデオテ−プレコ−ダ | |
| JPS58224459A (ja) | ビデオテ−プレコ−ダ |