BR8503691A - Processo de aparelho para registrar sinais digitais - Google Patents

Processo de aparelho para registrar sinais digitais

Info

Publication number
BR8503691A
BR8503691A BR8503691A BR8503691A BR8503691A BR 8503691 A BR8503691 A BR 8503691A BR 8503691 A BR8503691 A BR 8503691A BR 8503691 A BR8503691 A BR 8503691A BR 8503691 A BR8503691 A BR 8503691A
Authority
BR
Brazil
Prior art keywords
recorded
signal
pilot signal
tracks
playback head
Prior art date
Application number
BR8503691A
Other languages
English (en)
Inventor
Kentaro Odaka
Hiraku Sugiki
Yoshimoto Ohmura
Takashi Ohmori
Makoto Yamada
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of BR8503691A publication Critical patent/BR8503691A/pt

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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B5/5921—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 using auxiliary signals, e.g. pilot signals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
    • C07F9/6509—Six-membered rings
    • C07F9/650952—Six-membered rings having the nitrogen atoms in the positions 1 and 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6558—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system
    • C07F9/65583—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system each of the hetero rings containing nitrogen as ring hetero atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Measured Values (AREA)
  • Electrophonic Musical Instruments (AREA)
BR8503691A 1984-08-06 1985-08-05 Processo de aparelho para registrar sinais digitais BR8503691A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59164653A JPH0687330B2 (ja) 1984-08-06 1984-08-06 ディジタル信号の再生装置

Publications (1)

Publication Number Publication Date
BR8503691A true BR8503691A (pt) 1986-05-06

Family

ID=15797264

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8503691A BR8503691A (pt) 1984-08-06 1985-08-05 Processo de aparelho para registrar sinais digitais

Country Status (11)

Country Link
US (1) US4739420A (pt)
EP (1) EP0171266B1 (pt)
JP (1) JPH0687330B2 (pt)
KR (1) KR930011692B1 (pt)
AT (1) ATE59724T1 (pt)
AU (1) AU579171B2 (pt)
BR (1) BR8503691A (pt)
CA (1) CA1300747C (pt)
DE (1) DE3581011D1 (pt)
DK (1) DK165569C (pt)
ES (2) ES8703702A1 (pt)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0693304B2 (ja) * 1985-10-08 1994-11-16 ソニー株式会社 トラツキング制御装置
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
JPS6318565A (ja) * 1986-07-11 1988-01-26 Pioneer Electronic Corp デジタル信号記録再生装置
US5003414A (en) * 1986-07-18 1991-03-26 Pioneer Electronic Corporation Digital signal reproducing apparatus having improved pilot level compensation control
US5008764A (en) * 1986-09-05 1991-04-16 Victor Company Of Japan, Ltd. Rotary head type digital signal reproducing apparatus with slow tape speed mode and improved tracking control
US4875115A (en) * 1986-09-05 1989-10-17 Pioneer Electronic Corporation Digital signal tape recording/reproducing apparatus with improved servo control
JPH0626052B2 (ja) * 1987-03-18 1994-04-06 日本ビクター株式会社 回転ヘッド式ディジタル信号記録再生装置
US4839755A (en) * 1986-09-05 1989-06-13 Victor Company Of Japan, Ltd. Rotary head type digital signal reproducing apparatus with different modes and tracking control
NL8602276A (nl) * 1986-09-10 1988-04-05 Philips Nv Inrichting voor het schrijven van informatie in een magnetische registratiedrager.
JP2537498B2 (ja) * 1986-09-20 1996-09-25 パイオニア株式会社 回転ヘツド式デジタルオ−デイオ再生装置
US5182681A (en) * 1986-12-27 1993-01-26 Yamaha Corporation Rotating head magnetic recording and reproducing device having automatic tracking control function
DE3700507A1 (de) * 1987-01-09 1988-08-04 Thomson Brandt Gmbh Verfahren zur uebertragung eines signals
JPS63276738A (ja) * 1987-01-27 1988-11-15 Yamaha Corp 磁気記録再生装置
JPH0748272B2 (ja) * 1987-03-20 1995-05-24 日本ビクター株式会社 回転ヘッド式ディジタル信号記録再生装置
US4843495A (en) * 1987-05-11 1989-06-27 Exabyte Corporation Cyclical servo zone tracking method and apparatus for helical scan recording devices
US5280399A (en) * 1988-10-25 1994-01-18 Canon Kabushiki Kaisha Video signal recording apparatus
US4935827A (en) * 1988-11-09 1990-06-19 Ampex Corporation Dynamic head position tracking control for a magnetic tape playback system
US5065261A (en) * 1989-11-09 1991-11-12 Exabyte Corporation Method and apparatus for synchronizing timing signals for helical scan recorder
US5068757A (en) * 1989-11-09 1991-11-26 Exabyte Corporation Servo tracking for helical scan recorder
JPH0426947A (ja) * 1990-05-21 1992-01-30 Sony Corp 再生方法
US5191491A (en) * 1990-11-09 1993-03-02 Exabyte Corporation Method and apparatus for reading distorted helical stripes
JP2551270B2 (ja) * 1991-08-06 1996-11-06 ソニー株式会社 ディジタル信号の記録装置
JP3271103B2 (ja) * 1993-10-08 2002-04-02 ソニー株式会社 回転ヘッド型記録／再生装置
JPH09282807A (ja) * 1996-04-13 1997-10-31 Sony Corp テープ状記録媒体の記録再生装置及び記録再生方法
US6367047B1 (en) 1998-10-20 2002-04-02 Ecrix Multi-level error detection and correction technique for data storage recording device
US6307701B1 (en) 1998-10-20 2001-10-23 Ecrix Corporation Variable speed recording method and apparatus for a magnetic tape drive
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
US6381706B1 (en) 1998-10-20 2002-04-30 Ecrix Corporation Fine granularity rewrite method and apparatus 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
US6421805B1 (en) 1998-11-16 2002-07-16 Exabyte Corporation Rogue packet detection and correction method for data storage device
US6624960B1 (en) 2000-03-10 2003-09-23 Exabyte Corporation Current sensing drum/cleaning wheel positioning method and apparatus for magnetic storage system
US6364234B1 (en) 2000-03-10 2002-04-02 Michael Donald Langiano Tape loop/slack prevention method and apparatus for tape drive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7808639A (nl) * 1978-08-22 1980-02-26 Philips Nv Werkwijze voor het positioneren van weergeefelementen en een inrichting voor het uitvoeren van de werkwijze.
JPS5668923A (en) * 1979-11-09 1981-06-09 Victor Co Of Japan Ltd Tracking device of magnetic reproducing device
JPS5753823A (en) * 1980-09-17 1982-03-31 Matsushita Electric Ind Co Ltd Tracking control system
US4528605A (en) * 1982-02-13 1985-07-09 Victor Company Of Japan, Ltd. Rotary magnetic head scanning control system in a magnetic recording and reproducing apparatus
JPS592460A (ja) * 1982-06-28 1984-01-09 Fujitsu Ltd デ−タ伝送方式
JPS5936358A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 磁気記録再生装置のトラツキング方式
JPS59112406A (ja) * 1982-12-17 1984-06-28 Sony Corp Ｐｃｍ信号の記録再生方法
EP0138210A3 (en) * 1983-10-14 1986-02-05 Hitachi, Ltd. Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor
JPS60154347A (ja) * 1984-01-25 1985-08-14 Sony Corp デイジタル信号の記録再生方法

Also Published As

Publication number Publication date
US4739420A (en) 1988-04-19
JPS6142768A (ja) 1986-03-01
AU579171B2 (en) 1988-11-17
ES557184A0 (es) 1987-05-01
CA1300747C (en) 1992-05-12
JPH0687330B2 (ja) 1994-11-02
DK165569B (da) 1992-12-14
KR860002080A (ko) 1986-03-26
EP0171266A3 (en) 1987-05-27
AU4564385A (en) 1986-02-13
EP0171266B1 (en) 1991-01-02
DK165569C (da) 1993-04-26
DE3581011D1 (de) 1991-02-07
ES8703702A1 (es) 1987-02-16
ES8705734A1 (es) 1987-05-01
ATE59724T1 (de) 1991-01-15
ES545893A0 (es) 1987-02-16
DK355685D0 (da) 1985-08-05
EP0171266A2 (en) 1986-02-12
KR930011692B1 (ko) 1993-12-18
DK355685A (da) 1986-02-07

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 05/08/2000