DE69024969D1 - Servospurfolgesystem für spiralenabtastrecorder - Google Patents

Servospurfolgesystem für spiralenabtastrecorder

Info

Publication number
DE69024969D1
DE69024969D1 DE69024969T DE69024969T DE69024969D1 DE 69024969 D1 DE69024969 D1 DE 69024969D1 DE 69024969 T DE69024969 T DE 69024969T DE 69024969 T DE69024969 T DE 69024969T DE 69024969 D1 DE69024969 D1 DE 69024969D1
Authority
DE
Germany
Prior art keywords
servo
head
tape
recorder
servo tracking
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
DE69024969T
Other languages
English (en)
Other versions
DE69024969T2 (de
Inventor
Timothy Hughes
Steven Georgis
James Zweighaft
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.)
Exabyte Corp
Original Assignee
Exabyte 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 Exabyte Corp filed Critical Exabyte Corp
Application granted granted Critical
Publication of DE69024969D1 publication Critical patent/DE69024969D1/de
Publication of DE69024969T2 publication Critical patent/DE69024969T2/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
    • 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
DE69024969T 1989-11-09 1990-11-06 Servospurfolgesystem für spiralenabtastrecorder Expired - Fee Related DE69024969T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/433,977 US5068757A (en) 1989-11-09 1989-11-09 Servo tracking for helical scan recorder
PCT/US1990/006324 WO1991007746A1 (en) 1989-11-09 1990-11-06 Servo tracking for helical scan recorder

Publications (2)

Publication Number Publication Date
DE69024969D1 true DE69024969D1 (de) 1996-02-29
DE69024969T2 DE69024969T2 (de) 1996-07-11

Family

ID=23722322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024969T Expired - Fee Related DE69024969T2 (de) 1989-11-09 1990-11-06 Servospurfolgesystem für spiralenabtastrecorder

Country Status (8)

Country Link
US (1) US5068757A (de)
EP (1) EP0500760B1 (de)
JP (1) JPH0715772B2 (de)
AT (1) ATE133288T1 (de)
AU (1) AU638905B2 (de)
CA (1) CA2066189C (de)
DE (1) DE69024969T2 (de)
WO (1) WO1991007746A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930005340B1 (ko) * 1991-01-09 1993-06-17 삼성전자 주식회사 비디오 테이프레코더의 헤드드럼 주행각도 조절장치
US5287478A (en) * 1991-08-06 1994-02-15 R-Byte, Inc. Digital data tape storage system utilizing plurality of read/write heads with system diagnostic capability
US5406425A (en) * 1991-08-06 1995-04-11 R-Byte, Inc. ISO/IEC compatible digital audio tape digital data storage system with increased data transfer rate
US5369285A (en) * 1992-08-24 1994-11-29 Exabyte Corporation Method and apparatus for optical detection of cleaning medium in an information storage drive
TW235360B (de) * 1993-01-28 1994-12-01 Philips Electronics Nv
US5349481A (en) * 1993-06-10 1994-09-20 Exabyte Corporation Apparatus and method for distorted track data recovery by rewinding and re-reading the tape at a slower than nominal speed
JP2644182B2 (ja) * 1993-06-14 1997-08-25 インターナショナル・ビジネス・マシーンズ・コーポレイション 多重トラック磁気テープ装置を初期化する装置及び方法
AU1053095A (en) * 1993-11-12 1995-05-29 Exabyte Corporation Method and apparatus for determining and using head parameters in a helical scan recorder
AU1092995A (en) * 1993-11-12 1995-05-29 Exabyte Corporation High performance power amplifier
US5726826A (en) * 1993-11-12 1998-03-10 Exabyte Corporation Capstanless helical drive system
AU1053195A (en) * 1993-11-12 1995-05-29 Exabyte Corporation Method and apparatus for controlling media linear speed in a helical scan recorder
AU1052995A (en) * 1993-11-12 1995-05-29 Exabyte Corporation Capstanless helical drive system
US5426355A (en) * 1993-11-12 1995-06-20 Exabyte Corporation Power-off motor deceleration control system
US5978165A (en) * 1997-03-27 1999-11-02 Exabyte Corporation Method of determining axial offset distance in helical scan tape drive
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
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
US6367047B1 (en) 1998-10-20 2002-04-02 Ecrix Multi-level error detection and correction technique for data storage recording device
US6308298B1 (en) 1998-11-16 2001-10-23 Ecrix Corporation Method of reacquiring clock synchronization on a non-tracking helical scan tape device
US6603618B1 (en) 1998-11-16 2003-08-05 Exabyte Corporation Method and system for monitoring and adjusting tape position using control data packets
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
US6462899B1 (en) 2000-01-04 2002-10-08 International Business Machines Corporation Initialization and calibration of a recording system track following servo
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
US6433945B1 (en) * 2000-07-14 2002-08-13 Exabyte Corporation Compensating write data in transformer-coupled recording system using DC content code
US6697209B2 (en) 2000-11-09 2004-02-24 Exabyte Corporation Phase based time domain tracking for helical scan tape drive
US6778361B2 (en) 2000-12-07 2004-08-17 Exabyte Corporation Non-symmetric helical scanner architecture for high track density
US6985323B2 (en) * 2001-09-12 2006-01-10 Exabyte Corporation Alternating-azimuth angle helical track format using grouped same-azimuth angle heads
US7106535B2 (en) * 2001-09-12 2006-09-12 Exabyte Corporation Method and apparatus for maintaining consistent track pitch in helical scan recorder
US6809897B2 (en) 2002-01-07 2004-10-26 Exabyte Corporation Direct threading helical tape path for single-reel tape cartridge
US20030225966A1 (en) * 2002-05-31 2003-12-04 Jorgen Frandsen Serverless network data storage operation managed by peripheral device
US7157884B2 (en) * 2004-03-26 2007-01-02 James Scott Hacsi Method and circuit for energizing and de-energizing an electric energy storage device
US20060204209A1 (en) * 2005-03-09 2006-09-14 Exabyte Corporation Pause strategy for magnetic tape recording
US7881008B2 (en) * 2008-05-09 2011-02-01 International Business Machines Corporation Joint specification of servo format and servo reader parameters for tape drive systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455406A (en) * 1977-10-12 1979-05-02 Nec Corp Helical scanning type magnetic tape device
JPS59112406A (ja) * 1982-12-17 1984-06-28 Sony Corp Ｐｃｍ信号の記録再生方法
JPS59157810A (ja) * 1983-02-28 1984-09-07 Sony Corp デジタル信号の再生方法
JPH0687330B2 (ja) * 1984-08-06 1994-11-02 ソニー株式会社 ディジタル信号の再生装置
JPS6166250A (ja) * 1984-09-07 1986-04-05 Sony Corp トラツキング制御回路
JPS61196422A (ja) * 1985-02-25 1986-08-30 Sony Corp ビデオ信号の記録装置
US4843495A (en) * 1987-05-11 1989-06-27 Exabyte Corporation Cyclical servo zone tracking method and apparatus for helical scan recording devices
US4835628A (en) * 1987-05-11 1989-05-30 Exabyte Corporation Apparatus and method for formatting and recording digital data on magnetic tape
US4845577A (en) * 1987-05-11 1989-07-04 Exabyte Corporation Apparatus and method for enabling rapid searching of helically recorded magnetic tape

Also Published As

Publication number Publication date
JPH0715772B2 (ja) 1995-02-22
WO1991007746A1 (en) 1991-05-30
EP0500760A1 (de) 1992-09-02
ATE133288T1 (de) 1996-02-15
DE69024969T2 (de) 1996-07-11
EP0500760A4 (en) 1993-01-13
AU6874691A (en) 1991-06-13
EP0500760B1 (de) 1996-01-17
CA2066189C (en) 1995-09-19
AU638905B2 (en) 1993-07-08
JPH05500582A (ja) 1993-02-04
US5068757A (en) 1991-11-26
CA2066189A1 (en) 1991-05-10

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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