DE69324800T2 - Digitales servospurfomat - Google Patents
Digitales servospurfomatInfo
- Publication number
- DE69324800T2 DE69324800T2 DE69324800T DE69324800T DE69324800T2 DE 69324800 T2 DE69324800 T2 DE 69324800T2 DE 69324800 T DE69324800 T DE 69324800T DE 69324800 T DE69324800 T DE 69324800T DE 69324800 T2 DE69324800 T2 DE 69324800T2
- Authority
- DE
- Germany
- Prior art keywords
- digital servo
- servo tracking
- tracking
- digital
- servo
- 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 - Lifetime
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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
- G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, 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
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
- G11B15/08—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, 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
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, 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
- G11B15/60—Guiding record carrier
- G11B15/66—Threading; Loading; Automatic self-loading
- G11B15/665—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container
- G11B15/6653—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container to pull the record carrier against drum
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, 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
- G11B15/675—Guiding containers, e.g. loading, ejecting cassettes
- G11B15/68—Automatic cassette changing arrangements; automatic tape changing arrangements
- G11B15/689—Control of the cassette changing arrangement
-
- 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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
- G11B20/1207—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only
- G11B20/1209—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only for discontinuous data, e.g. digital information signals, computer programme data
-
- 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
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
-
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
-
- 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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/843,511 US5408368A (en) | 1992-02-28 | 1992-02-28 | Digital servo track format |
PCT/US1993/000483 WO1993017420A1 (en) | 1992-02-28 | 1993-01-21 | Digital servo track format |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69324800D1 DE69324800D1 (de) | 1999-06-10 |
DE69324800T2 true DE69324800T2 (de) | 2000-01-05 |
Family
ID=25290216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69324800T Expired - Lifetime DE69324800T2 (de) | 1992-02-28 | 1993-01-21 | Digitales servospurfomat |
Country Status (6)
Country | Link |
---|---|
US (2) | US5408368A (de) |
EP (1) | EP0628197B1 (de) |
JP (1) | JPH08501169A (de) |
AU (1) | AU3586593A (de) |
DE (1) | DE69324800T2 (de) |
WO (1) | WO1993017420A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5572378A (en) * | 1994-06-13 | 1996-11-05 | Imation Corp. | Direct file access system for magnetic tape |
US5946156A (en) * | 1997-03-04 | 1999-08-31 | Imation Corp. | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
US6134070A (en) * | 1997-05-22 | 2000-10-17 | Imation Corp. | Encoded servo track configurations, servo writer and systems/method regarding same |
US6367048B1 (en) * | 1998-11-16 | 2002-04-02 | Mcauliffe Richard | Method and apparatus for logically rejecting previously recorded track residue from magnetic media |
US6330123B1 (en) | 1999-05-28 | 2001-12-11 | Imation Corp. | Head assembly having a single pass servo writer |
US6412042B1 (en) | 1999-11-17 | 2002-06-25 | Maxtor Corporation | System and method for improved disk drive performance and reliability |
JP2001256695A (ja) * | 2000-03-13 | 2001-09-21 | Sony Corp | 磁気記録再生装置及び磁気テープのアクセス方法 |
JP2002365165A (ja) * | 2001-06-08 | 2002-12-18 | Sumitomo Electric Ind Ltd | 波長分散測定装置および方法 |
US20030063408A1 (en) * | 2001-10-01 | 2003-04-03 | Beeston Ralph Thomas | Data storage device for fast multiple file write operations |
US6857044B2 (en) * | 2001-10-15 | 2005-02-15 | International Business Machines Corporation | Data storage device for fast multiple file write operations |
JP2003157634A (ja) * | 2001-11-19 | 2003-05-30 | Fuji Photo Film Co Ltd | サーボ信号書き込み方式 |
JP3891841B2 (ja) * | 2002-01-07 | 2007-03-14 | 富士通株式会社 | 伝送システム |
US7085884B2 (en) * | 2003-06-30 | 2006-08-01 | Hewlett-Packard Development Company, L.P. | System and method for storing operational data of a storage automation device to a removable nonvolatile memory component |
US7633700B2 (en) * | 2006-06-16 | 2009-12-15 | Sun Microsystems, Inc. | Method and system for contiguously appending data onto media in a tape drive system |
US7633701B2 (en) * | 2006-06-16 | 2009-12-15 | Sun Microsystems, Inc. | Method and system for increasing recording format reliability for limited media space in a tape drive system |
JP2015133164A (ja) * | 2014-01-15 | 2015-07-23 | 富士通株式会社 | テープ装置、書込処理方法、及び書込制御プログラム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US31311A (en) * | 1861-02-05 | Method oe believing geographical outlines on molded elastic globes | ||
US3662099A (en) * | 1970-06-26 | 1972-05-09 | Cartridge Television Inc | Servo system for video recorder |
USRE31311E (en) * | 1976-03-19 | 1983-07-12 | Ampex Corporation | DC Free encoding for data transmission system |
DE2726815A1 (de) * | 1976-06-14 | 1977-12-15 | Sharp Kk | Datensteuer- und verarbeitungsgeraet zur speicherung von digital- und tonfrequenzensignalen auf einem magnetband |
JPS5949754B2 (ja) * | 1976-07-31 | 1984-12-04 | ソニー株式会社 | テ−プの編集機 |
US4405956A (en) * | 1981-04-22 | 1983-09-20 | Xerox Corporation | Tracking apparatus for read/write head |
GB2131996A (en) * | 1982-11-30 | 1984-06-27 | George Saint | Data storage devices |
JPS6050687A (ja) * | 1983-08-29 | 1985-03-20 | Sony Corp | 磁気記録再生装置 |
US4663678A (en) * | 1984-06-18 | 1987-05-05 | Odetics, Inc. | System for writing and reading digital data interspersed with analog audio frequency data on magnetic recording tape |
US4888654A (en) * | 1984-06-18 | 1989-12-19 | Odetics, Inc. | Method of writing and reading digital data interspersed with analog audio frequency data on magnetic recording tape |
JPS62202361A (ja) * | 1986-02-28 | 1987-09-07 | Sharp Corp | 同期情報の検出装置 |
US5272572A (en) * | 1991-02-26 | 1993-12-21 | Alliant Techsystems Inc. | Apparatus and method for use in appending data to data previously written on a tape in a helical scan tape recorder system |
US5089757A (en) * | 1991-03-15 | 1992-02-18 | Maxtor Corporation | Synchronous digital detection of position error signal |
-
1992
- 1992-02-28 US US07/843,511 patent/US5408368A/en not_active Expired - Lifetime
-
1993
- 1993-01-21 JP JP5514832A patent/JPH08501169A/ja active Pending
- 1993-01-21 EP EP93904537A patent/EP0628197B1/de not_active Expired - Lifetime
- 1993-01-21 AU AU35865/93A patent/AU3586593A/en not_active Abandoned
- 1993-01-21 DE DE69324800T patent/DE69324800T2/de not_active Expired - Lifetime
- 1993-01-21 WO PCT/US1993/000483 patent/WO1993017420A1/en active IP Right Grant
-
1994
- 1994-05-20 US US08/246,805 patent/US6124993A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU3586593A (en) | 1993-09-13 |
EP0628197B1 (de) | 1999-05-06 |
US6124993A (en) | 2000-09-26 |
EP0628197A1 (de) | 1994-12-14 |
US5408368A (en) | 1995-04-18 |
WO1993017420A1 (en) | 1993-09-02 |
JPH08501169A (ja) | 1996-02-06 |
DE69324800D1 (de) | 1999-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |