IL121459A - הצבת ראש באופן יחסי למספר רב של ערוצים - Google Patents
הצבת ראש באופן יחסי למספר רב של ערוציםInfo
- Publication number
- IL121459A IL121459A IL12145996A IL12145996A IL121459A IL 121459 A IL121459 A IL 121459A IL 12145996 A IL12145996 A IL 12145996A IL 12145996 A IL12145996 A IL 12145996A IL 121459 A IL121459 A IL 121459A
- Authority
- IL
- Israel
- Prior art keywords
- track
- head
- tracks
- control signal
- tracking signals
- Prior art date
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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95203380 | 1995-12-07 | ||
PCT/IB1996/001287 WO1997021213A1 (en) | 1995-12-07 | 1996-11-22 | Positioning of a head relative to a plurality of tracks |
Publications (2)
Publication Number | Publication Date |
---|---|
IL121459A0 IL121459A0 (en) | 1998-02-08 |
IL121459A true IL121459A (he) | 2001-10-31 |
Family
ID=8220912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12145996A IL121459A (he) | 1995-12-07 | 1996-11-22 | הצבת ראש באופן יחסי למספר רב של ערוצים |
Country Status (9)
Country | Link |
---|---|
US (1) | US5805372A (he) |
EP (1) | EP0813738A1 (he) |
JP (1) | JPH11500255A (he) |
KR (1) | KR19980701983A (he) |
BG (1) | BG63440B1 (he) |
HU (1) | HUP9801257A3 (he) |
IL (1) | IL121459A (he) |
NO (1) | NO973637L (he) |
WO (1) | WO1997021213A1 (he) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000511680A (ja) * | 1997-04-03 | 2000-09-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 情報信号を記録担体に記録する装置及び方法 |
JP2003518314A (ja) | 1999-12-21 | 2003-06-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 情報を記録及び/又は再生するためのシステム、このシステムに用いる磁気記録ヘッドと磁気テープ |
US6469860B1 (en) * | 2000-04-05 | 2002-10-22 | Storage Technology Corporation | Damped tape head |
US7092196B2 (en) * | 2004-06-23 | 2006-08-15 | International Business Machines Corporation | Characteristic measurement of an actuation drive coil and associated damping mechanism |
US7436622B2 (en) * | 2006-07-31 | 2008-10-14 | Imation Corp. | Concurrent servo and data track writing |
US8755142B2 (en) * | 2012-06-20 | 2014-06-17 | HGST Netherlands B.V. | Magnetic recording disk drive with method for data preservation during high track misregistration (TMR) environment |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4318141A (en) * | 1979-12-07 | 1982-03-02 | International Business Machines Corp. | Buried servo recording systems and methods |
US4472750A (en) * | 1981-07-02 | 1984-09-18 | Irwin Magnetic Systems, Inc. | Data record with pre-recorded transducer positioning signals, and system for utilizing same |
US4586094A (en) * | 1984-03-13 | 1986-04-29 | Irwin Magnetic Systems, Inc. | Method and apparatus for pre-recording tracking information on magnetic media |
JPH0668893B2 (ja) * | 1986-01-23 | 1994-08-31 | 日本電信電話株式会社 | 磁気ヘツドの位置決め制御方式 |
US5121270A (en) * | 1989-09-19 | 1992-06-09 | Alcudia Ezra R | Multitransducer head positioning servo for use in a bi-directional magnetic tape system |
DE59010676D1 (de) * | 1990-08-14 | 1997-04-17 | Tandberg Data | Verfahren zum Positionieren eines Magnetkopfes gegenüber dem Speichermedium eines Magnetschichtspeichers |
US5379165A (en) * | 1993-03-19 | 1995-01-03 | Tandberg Data A/S | Method and apparatus for improving the accuracy of a tape servo track seek algorithm by using longitudinally correlated waveforms of lateral tape movement unique to each tape cassette |
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 |
US5432652A (en) * | 1993-06-14 | 1995-07-11 | International Business Machines Corporation | Servo and data format for magnetic tape having plural spaced-apart servo areas interleaved with data track areas having serpentine track scanning using any one of a plurality of number of concurrently accessed tracks |
US5574602A (en) * | 1993-06-14 | 1996-11-12 | International Business Machines Corporation | Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning |
US5488525A (en) * | 1994-08-18 | 1996-01-30 | International Business Machines Corporation | Decoupled magnetic head assembly for quarter-inch tape |
-
1996
- 1996-11-22 HU HU9801257A patent/HUP9801257A3/hu unknown
- 1996-11-22 JP JP9521113A patent/JPH11500255A/ja not_active Ceased
- 1996-11-22 EP EP96937454A patent/EP0813738A1/en not_active Withdrawn
- 1996-11-22 IL IL12145996A patent/IL121459A/he not_active IP Right Cessation
- 1996-11-22 KR KR1019970705380A patent/KR19980701983A/ko not_active Application Discontinuation
- 1996-11-22 WO PCT/IB1996/001287 patent/WO1997021213A1/en not_active Application Discontinuation
- 1996-12-06 US US08/759,668 patent/US5805372A/en not_active Expired - Fee Related
-
1997
- 1997-08-06 NO NO973637A patent/NO973637L/no not_active Application Discontinuation
- 1997-08-06 BG BG101817A patent/BG63440B1/bg unknown
Also Published As
Publication number | Publication date |
---|---|
WO1997021213A1 (en) | 1997-06-12 |
KR19980701983A (ko) | 1998-06-25 |
US5805372A (en) | 1998-09-08 |
HUP9801257A3 (en) | 1999-12-28 |
BG63440B1 (bg) | 2002-01-31 |
IL121459A0 (en) | 1998-02-08 |
EP0813738A1 (en) | 1997-12-29 |
NO973637D0 (no) | 1997-08-06 |
NO973637L (no) | 1997-09-26 |
JPH11500255A (ja) | 1999-01-06 |
HUP9801257A2 (hu) | 1998-10-28 |
BG101817A (en) | 1998-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2671780B2 (ja) | 記録再生分離型磁気ディスク装置用サーボ装置並びにディスク装置におけるアクチュエータ力定数推定方法及び補償方法 | |
US5003411A (en) | Method for recording/reproducing and searching digital signals using a helical scan type rotary head | |
US5392163A (en) | Digital video signal reproducing apparatus with compression and expansion of playback time | |
CA1135407A (en) | Stabilized recording | |
EP0319218B1 (en) | Data reproducing apparatus | |
US5805372A (en) | Positioning of a head relative to a plurality of tracks | |
US4246536A (en) | Electronic velocity measurement device | |
JP2602197B2 (ja) | 磁気テープ記録再生装置用のサーボ装置 | |
CA1310114C (en) | Apparatus for reproducing a digital signal | |
US4814900A (en) | Tracking control apparatus using pilot signals of different frequencies | |
US5473588A (en) | Signal reproducing apparatus providing PLL circuit controlled by drum motor speed | |
JP3433609B2 (ja) | ディジタルビデオ記録装置および記録方法 | |
US5026509A (en) | Tracking control system for information reproducing apparatus | |
JPH0770164B2 (ja) | クロツク信号再生装置 | |
CN1134018A (zh) | 用于记录和/或重现数字信号的方法和装置 | |
EP0804792B1 (en) | Apparatus for recording an information signal on a record carrier provided with tracking signals and a record carrier having such information signals | |
US5333082A (en) | Video signal recording/reproducing apparatus | |
US6587636B1 (en) | Reproducing apparatus | |
JP2814771B2 (ja) | ディジタル信号再生装置 | |
JP3162933B2 (ja) | 記録再生装置およびテープ位置サーチ方法 | |
Himeno et al. | High‐density magnetic tape recording by a nontracking method | |
JPH0660478A (ja) | キュー信号記録装置 | |
JPH0388184A (ja) | ディスク装置 | |
JPH02203450A (ja) | 記録再生装置 | |
JPH0896451A (ja) | トラッキング制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |