DE69018581D1 - Gerät zur Ermittlung des Abtastbereiches eines rotierenden Kopfes. - Google Patents

Gerät zur Ermittlung des Abtastbereiches eines rotierenden Kopfes.

Info

Publication number
DE69018581D1
DE69018581D1 DE69018581T DE69018581T DE69018581D1 DE 69018581 D1 DE69018581 D1 DE 69018581D1 DE 69018581 T DE69018581 T DE 69018581T DE 69018581 T DE69018581 T DE 69018581T DE 69018581 D1 DE69018581 D1 DE 69018581D1
Authority
DE
Germany
Prior art keywords
determining
scanning area
rotating head
head
rotating
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 - Fee Related
Application number
DE69018581T
Other languages
English (en)
Other versions
DE69018581T2 (de
Inventor
Ryuji Takagi
Masato Tanaka
Hisao Nishioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
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 DE69018581D1 publication Critical patent/DE69018581D1/de
Application granted granted Critical
Publication of DE69018581T2 publication Critical patent/DE69018581T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G11B2220/913—Digital audio tape [DAT] format
DE69018581T 1989-12-07 1990-12-07 Gerät zur Ermittlung des Abtastbereiches eines rotierenden Kopfes. Expired - Fee Related DE69018581T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1318351A JP2940033B2 (ja) 1989-12-07 1989-12-07 走査軌跡評定装置

Publications (2)

Publication Number Publication Date
DE69018581D1 true DE69018581D1 (de) 1995-05-18
DE69018581T2 DE69018581T2 (de) 1995-09-28

Family

ID=18098187

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018581T Expired - Fee Related DE69018581T2 (de) 1989-12-07 1990-12-07 Gerät zur Ermittlung des Abtastbereiches eines rotierenden Kopfes.

Country Status (6)

Country Link
US (1) US5262905A (de)
EP (1) EP0431647B1 (de)
JP (1) JP2940033B2 (de)
KR (1) KR100189669B1 (de)
AU (1) AU649002B2 (de)
DE (1) DE69018581T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135419A1 (de) * 1991-10-26 1993-04-29 Thomson Brandt Gmbh Speichereinrichtung fuer eine magnetbandkassette
US5933567A (en) * 1993-01-13 1999-08-03 Hitachi America, Ltd. Method and apparatus for controlling the position of the heads of a digital video tape recorder during trick play operation and for recording digital data on a tape
US5331476A (en) * 1993-07-30 1994-07-19 International Business Machines Corporation Apparatus and method for dynamically performing knowledge-based error recovery
US5386324A (en) * 1993-07-30 1995-01-31 International Business Machines Corporation Apparatus and method for anticipated error recovery using debris profiles
DE19517509C2 (de) * 1994-05-13 1997-05-15 Hitachi Ltd Schrägspur-Wiedergabegerät mit Spureinstellsteuerung zur schnellen Wiedergabe digitaler Informationssignale von Magnetbändern
JP3575082B2 (ja) * 1994-10-21 2004-10-06 ソニー株式会社 デジタルビデオ信号の変速再生装置
US6307701B1 (en) 1998-10-20 2001-10-23 Ecrix Corporation Variable speed recording method and apparatus for a magnetic tape drive
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
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
US6367048B1 (en) 1998-11-16 2002-04-02 Mcauliffe Richard Method and apparatus for logically rejecting previously recorded track residue from magnetic media
US6603618B1 (en) 1998-11-16 2003-08-05 Exabyte Corporation Method and system for monitoring and adjusting tape position using control data packets
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
US6590388B2 (en) * 2000-08-04 2003-07-08 Seagate Technology Llc Non-destructive defective magneto-resistive head detection utilizing a micro-track
WO2014175178A1 (ja) 2013-04-25 2014-10-30 スパイバー株式会社 ポリペプチド多孔質体及びその製造方法
JP5782580B2 (ja) 2013-04-25 2015-09-24 Ｓｐｉｂｅｒ株式会社 ポリペプチドヒドロゲル及びその製造方法
CN104936979B (zh) 2013-04-25 2020-02-21 丝芭博株式会社 多肽颗粒及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474226B1 (fr) * 1980-01-22 1985-10-11 Thomson Csf Dispositif de test pour enregistreur numerique multipiste
JPS581844A (ja) * 1981-06-26 1983-01-07 Sony Corp 回転ヘツド形テ−プレコ−ダ
JPS60125914A (ja) * 1983-12-13 1985-07-05 Sony Corp 調整用テ−プ及びその作製装置
JPH02239474A (ja) * 1989-02-03 1990-09-21 Deutsche Thomson Brandt Gmbh オーデイオまたはビデオ信号のデイジタル記録および再生用の装置

Also Published As

Publication number Publication date
JP2940033B2 (ja) 1999-08-25
KR910013236A (ko) 1991-08-08
EP0431647A3 (en) 1992-07-01
AU6767890A (en) 1991-06-13
EP0431647B1 (de) 1995-04-12
EP0431647A2 (de) 1991-06-12
US5262905A (en) 1993-11-16
JPH03178094A (ja) 1991-08-02
AU649002B2 (en) 1994-05-12
DE69018581T2 (de) 1995-09-28
KR100189669B1 (ko) 1999-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee