BR8302339A - Aperfeicoamento em sistema de registro e reproducao magnetico - Google Patents

Aperfeicoamento em sistema de registro e reproducao magnetico

Info

Publication number
BR8302339A
BR8302339A BR8302339A BR8302339A BR8302339A BR 8302339 A BR8302339 A BR 8302339A BR 8302339 A BR8302339 A BR 8302339A BR 8302339 A BR8302339 A BR 8302339A BR 8302339 A BR8302339 A BR 8302339A
Authority
BR
Brazil
Prior art keywords
improvement
reproduction system
magnetic registration
registration
magnetic
Prior art date
Application number
BR8302339A
Other languages
English (en)
Inventor
Koichi Yamada
Kanji Kubo
Yasuo Nishitani
Original Assignee
Matsushita Electric Ind Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BR8302339A publication Critical patent/BR8302339A/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/93Regeneration of the television signal or of selected parts thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, 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
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808Driving of both record carrier and head
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/584Disposition 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
    • G11B5/588Disposition 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Television Signal Processing For Recording (AREA)
BR8302339A 1982-05-07 1983-05-05 Aperfeicoamento em sistema de registro e reproducao magnetico BR8302339A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57076817A JPS58194480A (ja) 1982-05-07 1982-05-07 磁気録画再生装置

Publications (1)

Publication Number Publication Date
BR8302339A true BR8302339A (pt) 1984-01-10

Family

ID=13616220

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8302339A BR8302339A (pt) 1982-05-07 1983-05-05 Aperfeicoamento em sistema de registro e reproducao magnetico

Country Status (6)

Country Link
US (1) US4644414A (pt)
EP (1) EP0094194B1 (pt)
JP (1) JPS58194480A (pt)
KR (1) KR860000614B1 (pt)
BR (1) BR8302339A (pt)
DE (1) DE3380425D1 (pt)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924465A (ja) * 1982-07-30 1984-02-08 Hitachi Ltd 磁気録画再生装置の可変速再生の制御装置
JPS59110062A (ja) * 1982-12-13 1984-06-25 Canon Inc 情報信号記録再生装置
EP0119805B1 (en) * 1983-03-11 1989-09-06 Mitsubishi Denki Kabushiki Kaisha Tape stop position detecting apparatus and magnetic video reproducing apparatus using the same
US4563714A (en) * 1984-03-19 1986-01-07 Tokyo Shibaura Denki Kabushiki Kaisha Method and device for controlling the tracking
GB2156106B (en) * 1984-03-20 1987-11-18 Tokyo Shibaura Electric Co Method and device for controlling the tracking
DE3581372D1 (de) * 1984-05-11 1991-02-21 Matsushita Electric Ind Co Ltd Magnetische speicher-/wiedergabevorrichtung.
JPH0732478B2 (ja) * 1984-05-31 1995-04-10 三菱電機株式会社 磁気記録再生装置
JPS60254972A (ja) * 1984-05-31 1985-12-16 Pioneer Electronic Corp 磁気記録再生装置のスロ−再生動作制御方式
JPH0783463B2 (ja) * 1984-06-05 1995-09-06 三菱電機株式会社 磁気記録再生装置
JPS611181A (ja) * 1984-06-14 1986-01-07 Matsushita Electric Ind Co Ltd 磁気記録再生装置の静止画再生方法
JPS6184176A (ja) * 1984-10-01 1986-04-28 Canon Inc 回転ヘツド型再生装置
JPS6184175A (ja) * 1984-10-01 1986-04-28 Canon Inc 回転ヘツド型再生装置
JPS6184177A (ja) * 1984-10-01 1986-04-28 Canon Inc 回転ヘツド型再生装置
JP2706653B2 (ja) * 1984-10-04 1998-01-28 キヤノン株式会社 ビデオ信号再生装置
EP0192800B1 (en) * 1985-03-01 1989-12-27 Sanyo Electric Co., Ltd. Video signal reproducing apparatus using pilot signal system
JPS61202357A (ja) * 1985-03-04 1986-09-08 Matsushita Electric Ind Co Ltd 磁気記録再生装置
JP2575102B2 (ja) * 1985-03-13 1997-01-22 キヤノン株式会社 回転ヘツド型再生装置
JPH077542B2 (ja) * 1985-04-03 1995-01-30 パイオニア株式会社 ヘリカルスキヤン磁気記録再生装置
US4764819A (en) * 1985-07-18 1988-08-16 Matsushita Electric Industrial Co., Ltd. Method and apparatus for helical scan type magnetic recording and reproducing with a rotary magnetic head
JP2514320B2 (ja) * 1985-12-05 1996-07-10 キヤノン株式会社 回転ヘツド型ビデオ信号再生装置
JPH07108026B2 (ja) * 1986-06-10 1995-11-15 ソニー株式会社 ビデオ信号スロ−再生装置
US4870510A (en) * 1986-06-23 1989-09-26 Canon Kabushiki Kaisha Video signal reproducing apparatus using memory
JPS6352364A (ja) * 1986-08-21 1988-03-05 Sony Corp 情報記録再生装置
JPS63232597A (ja) * 1987-03-19 1988-09-28 Sony Corp ビデオテ−プレコ−ダ
US5258879A (en) * 1991-02-13 1993-11-02 Matsushita Electric Industrial Co., Inc. Tracking error detection circuit of magnetic recording and reproduction apparatus for determining tracking error based on pilot signals recorded on a recording meedium
JPH06124576A (ja) * 1992-10-13 1994-05-06 Sony Corp Ctl信号発生装置
US6381706B1 (en) 1998-10-20 2002-04-30 Ecrix Corporation Fine granularity rewrite method and apparatus for data storage device
US6367047B1 (en) 1998-10-20 2002-04-02 Ecrix Multi-level error detection and correction technique for data storage recording device
US6246551B1 (en) * 1998-10-20 2001-06-12 Ecrix Corporation Overscan helical scan head for non-tracking tape subsystems reading at up to 1X speed and methods for simulation of same
US6307701B1 (en) 1998-10-20 2001-10-23 Ecrix Corporation Variable speed recording method and apparatus for a magnetic tape drive
US6421805B1 (en) 1998-11-16 2002-07-16 Exabyte Corporation Rogue packet detection and correction method for data storage device
US6603618B1 (en) 1998-11-16 2003-08-05 Exabyte Corporation Method and system for monitoring and adjusting tape position using control data packets
US6367048B1 (en) 1998-11-16 2002-04-02 Mcauliffe Richard Method and apparatus for logically rejecting previously recorded track residue from magnetic media
US6308298B1 (en) 1998-11-16 2001-10-23 Ecrix Corporation Method of reacquiring clock synchronization on a non-tracking helical scan tape device
US6364234B1 (en) 2000-03-10 2002-04-02 Michael Donald Langiano Tape loop/slack prevention method and apparatus for tape drive
US6624960B1 (en) 2000-03-10 2003-09-23 Exabyte Corporation Current sensing drum/cleaning wheel positioning method and apparatus for magnetic storage system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557320A (en) * 1967-08-08 1971-01-19 Jurgen Hopf Reproduction of a still picture from a video tape recording by combined drop-out zone sensing
DE2316803C2 (de) * 1973-04-04 1975-05-22 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Anordnung zur automatischen Spursuche bei Schrägspuraufzeichnungen
DE2530482C2 (de) * 1974-07-15 1984-11-15 N.V. Philips' Gloeilampenfabrieken, Eindhoven Servosystem für ein Videoaufzeichnungsgerät
JPS51138410A (en) * 1975-05-26 1976-11-30 Sony Corp Method of recording and reproducing signal
JPS538517A (en) * 1976-07-13 1978-01-26 Sony Corp Magnetic reproducer
NL7702815A (nl) * 1977-03-16 1978-09-19 Philips Nv Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze.
GB1587798A (en) * 1977-05-31 1981-04-08 Victor Company Of Japan Tape driving system in a recording and/or reproducing apparatus
US4141047A (en) * 1977-09-12 1979-02-20 Sony Corporation Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks
JPS5460522A (en) * 1977-10-24 1979-05-16 Sony Corp Reproducer
JPS5855573B2 (ja) * 1977-11-08 1983-12-10 松下電器産業株式会社 トラッキング信号検出装置
NL7801318A (nl) * 1978-02-06 1979-08-08 Philips Nv Werkwijze voor het regelen van de positie van een schrijf-leeskop en inrichting voor het uitvoeren van de werkwijze.
NL7810250A (nl) * 1978-10-12 1980-04-15 Philips Nv Werkwijze voor het inschrijven van informatie en spoor- volgsignalen en een inrichting voor het uitvoeren van de werkwijze.
US4403260A (en) * 1980-02-15 1983-09-06 Hitachi, Ltd. Automatic tape stop device for video signal recording and reproducing apparatus
JPS56153530A (en) * 1980-04-30 1981-11-27 Matsushita Electric Ind Co Ltd Playback system for recording track
US4414586A (en) * 1980-10-07 1983-11-08 Victor Company Of Japan, Ltd. Pilot signal recording and reproducing system
JPS5764327A (en) * 1980-10-07 1982-04-19 Victor Co Of Japan Ltd Pilot signal recording and reproducing system
AT368822B (de) * 1981-03-25 1982-11-10 Philips Nv Wiedergabegeraet
NL8201614A (nl) * 1982-04-19 1983-11-16 Philips Nv Inrichting voor het weergeven van videosignalen met een van een nominale snelheid afwijkende snelheid.

Also Published As

Publication number Publication date
EP0094194A2 (en) 1983-11-16
EP0094194B1 (en) 1989-08-16
EP0094194A3 (en) 1985-10-30
US4644414A (en) 1987-02-17
KR860000614B1 (ko) 1986-05-22
KR840005002A (ko) 1984-10-31
DE3380425D1 (en) 1989-09-21
JPH0345590B2 (pt) 1991-07-11
JPS58194480A (ja) 1983-11-12

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