DE3484153D1 - Zwei-richtungsbandlaufwerk fuer "lesen-nach-schreiben", mit zwei-modul-kopf. - Google Patents
Zwei-richtungsbandlaufwerk fuer "lesen-nach-schreiben", mit zwei-modul-kopf.Info
- Publication number
- DE3484153D1 DE3484153D1 DE8484106171T DE3484153T DE3484153D1 DE 3484153 D1 DE3484153 D1 DE 3484153D1 DE 8484106171 T DE8484106171 T DE 8484106171T DE 3484153 T DE3484153 T DE 3484153T DE 3484153 D1 DE3484153 D1 DE 3484153D1
- Authority
- DE
- Germany
- Prior art keywords
- write
- read
- tape drive
- module head
- directional tape
- 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
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
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
-
- 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
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
-
- 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
-
- 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
- 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
- G11B5/488—Disposition of heads
- G11B5/4893—Disposition of heads relative to moving tape
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/514,994 US4685005A (en) | 1983-07-18 | 1983-07-18 | Two-module-read, read-after-write, bi-directional tape drive |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3484153D1 true DE3484153D1 (de) | 1991-04-04 |
Family
ID=24049560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484106171T Expired - Fee Related DE3484153D1 (de) | 1983-07-18 | 1984-05-30 | Zwei-richtungsbandlaufwerk fuer "lesen-nach-schreiben", mit zwei-modul-kopf. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4685005A (de) |
EP (1) | EP0131727B1 (de) |
JP (1) | JPS6028010A (de) |
DE (1) | DE3484153D1 (de) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1268252A (en) * | 1985-04-17 | 1990-04-24 | Fumiaki Kawaguchi | Information recording method |
US5247505A (en) * | 1985-04-17 | 1993-09-21 | Canon Kabushiki Kaisha | Information recording method for reciprocally recording and verifying information |
JPS6457413A (en) * | 1987-08-27 | 1989-03-03 | Matsushita Electric Ind Co Ltd | Thin film magnetic head |
NL8901712A (nl) * | 1989-01-30 | 1990-08-16 | Philips Nv | Longitudinaal magneetband recording systeem alsmede een magneetbandapparaat geschikt voor toepassing in het systeem alsmede een magneetkop geschikt voor toepassing in het magneetbandapparaat. |
US4996609A (en) * | 1989-02-22 | 1991-02-26 | Pericomp Corporation | Magnetic head recording multitrack servo patterns |
US5050017A (en) * | 1989-08-23 | 1991-09-17 | Eastman Kodak Company | Memory guided magnetic tape tracking |
US5063468A (en) * | 1990-05-08 | 1991-11-05 | North American Philips Corporation | Compatible magnetic head assembly |
NL9001231A (nl) * | 1990-05-30 | 1991-12-16 | Philips Nv | Leeskoppeninrichting met 2n leeskoppen van het mr type, en weergeefinrichting voorzien van de leeskoppeninrichting. |
US5285341A (en) * | 1990-12-17 | 1994-02-08 | Canon Kabushiki Kaisha | Thin film magnetic head |
US5208714A (en) * | 1990-12-26 | 1993-05-04 | International Business Machines Corporation | Magnetic hybrid interleaved head with closure supporting islands |
US5161299A (en) * | 1990-12-26 | 1992-11-10 | International Business Machines Corporation | Method of making a magnetic hybrid interleaved head |
JP2793410B2 (ja) * | 1991-04-22 | 1998-09-03 | 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 | ウェブ駆動装置及びテープ駆動装置 |
US5436780A (en) * | 1991-06-03 | 1995-07-25 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head device |
JP2884824B2 (ja) * | 1991-06-11 | 1999-04-19 | 松下電器産業株式会社 | 薄膜磁気ヘッド装置 |
US5289331A (en) * | 1991-06-13 | 1994-02-22 | International Business Machines Corporation | Constrained pivot guide post |
JP2516301B2 (ja) * | 1991-06-13 | 1996-07-24 | 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 | テ―プ駆動装置 |
ES2084729T3 (es) * | 1991-06-20 | 1996-05-16 | Scheidt & Bachmann Gmbh | Dispositivo para la escritura y/o lectura de tarjetas magneticas. |
US5212611A (en) * | 1991-07-16 | 1993-05-18 | Storage Technology Corporation | Integral read/write recording head with dual gap dimension |
US5206774A (en) * | 1991-07-26 | 1993-04-27 | Storage Technology Corporation | Process for making a magneto-resistive magnetic transducer having increased sensitivity and an improved flux path and the product made thereby |
US5245485A (en) * | 1991-08-30 | 1993-09-14 | International Business Machines Corporation | Multiple tape thickness, multiple recording format tape drive systems |
JP2755370B2 (ja) * | 1991-10-30 | 1998-05-20 | 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 | 周辺記憶システム及びデータ処理システムの制御方法 |
US5289328A (en) * | 1992-05-26 | 1994-02-22 | George Saliba | Method and apparatus for variable density read-after-writing on magnetic tape |
US5371638A (en) * | 1992-06-24 | 1994-12-06 | Digital Equipment Corporation | Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track |
US5949604A (en) * | 1992-06-24 | 1999-09-07 | Quantum Corporation | Method of writing and reading servo on tracks having a longitudinal gap |
US5307217A (en) * | 1992-06-24 | 1994-04-26 | Digital Equipment Corporation | Magnetic head for very high track density magnetic recording |
US5331493A (en) * | 1992-08-21 | 1994-07-19 | Minnesota Mining And Manufacturing Company | Bidirectional thin-film magnetoresistive tape head assembly |
US5299756A (en) * | 1992-10-26 | 1994-04-05 | International Business Machines Corporation | Foil wrapped flexible web guide |
EP0617424A1 (de) * | 1993-03-26 | 1994-09-28 | Tandberg Data Storage AS | Für Vorrichtungen zur magnetischen oder optischen Aufzeichnung mit hoher Dichte geeignete Abtastkopfanordnung |
US5488525A (en) * | 1994-08-18 | 1996-01-30 | International Business Machines Corporation | Decoupled magnetic head assembly for quarter-inch tape |
US6111708A (en) * | 1996-12-11 | 2000-08-29 | Tecmar Technologies, Inc. | Apparatus and method for detecting read/write gap failure and switching to an alternative read/write gap |
US5963401A (en) * | 1997-09-29 | 1999-10-05 | Storage Technology Corporation | Magnetic tape head assembly including modules having a plurality of magneto-resistive head elements |
US6038108A (en) * | 1997-11-21 | 2000-03-14 | Storage Technology Corporation | Magnetic tape head assembly having segmented heads |
US6392840B1 (en) | 1997-12-08 | 2002-05-21 | International Business Machines Corporation | Planarized side by side design of an inductive writer and single metallic magnetoresistive reader |
JP2002216313A (ja) * | 2001-01-15 | 2002-08-02 | Sony Corp | マルチ磁気記録ヘッド並びにこれを用いた磁気記録方法及び磁気記録装置 |
US6771456B2 (en) | 2001-05-31 | 2004-08-03 | International Business Machines Corporation | System and method for miniaturization of read/write heads |
US6646830B2 (en) * | 2001-06-07 | 2003-11-11 | International Business Machines Corporation | Monolithic magnetic read-while-write head apparatus and method of manufacture |
US7072133B1 (en) * | 2001-10-15 | 2006-07-04 | Imation Corp. | Servo mark verify head |
US7139152B2 (en) * | 2003-10-20 | 2006-11-21 | Quantum Corporation | Servo methods and systems using existing data structures and optical masks |
US7149050B2 (en) * | 2003-10-20 | 2006-12-12 | Quantum Corporation | Diffractive position sensors and control systems |
US7102845B2 (en) * | 2003-10-20 | 2006-09-05 | Quantum Corporation | Servo methods and systems using existing data structures and medium edge position |
US7136255B2 (en) * | 2003-10-20 | 2006-11-14 | Quantum Corporation | Servo methods and systems using masked medium edge position sensors |
US7116514B2 (en) * | 2003-10-20 | 2006-10-03 | Quantum Corporation | Methods and systems for magnetic recording |
US7085095B2 (en) * | 2003-10-20 | 2006-08-01 | Quantum Corporation | Electromagnetic void-sensing probes and position control systems |
US8810960B2 (en) * | 2003-12-04 | 2014-08-19 | Oracle America, Inc. | Multi-head data storage device with plural data channels per head |
US8264793B2 (en) | 2004-01-30 | 2012-09-11 | International Business Machines Corporation | Tape head with facing beams each having a head chip positioned in a recess thereof |
US7206170B2 (en) * | 2004-05-19 | 2007-04-17 | Imetion Corp. | Thin film servo head apparatus with canted servo gaps |
US7184233B2 (en) * | 2004-06-04 | 2007-02-27 | Quantum Corporation | Dual source tracking servo systems and associated methods |
US20060103968A1 (en) * | 2004-11-12 | 2006-05-18 | Jurneke Joe K | Dynamic skew compensation systems and associated methods |
US7499235B2 (en) * | 2005-03-18 | 2009-03-03 | Quantum Corporation | Auto-servo tape system and associated recording head |
US7826169B2 (en) * | 2007-04-25 | 2010-11-02 | Quantum Corporation | Servo error detection and compensation utilizing virtual data tracking servo methods |
US8243385B2 (en) | 2008-04-29 | 2012-08-14 | International Business Machines Corporation | Magnetic head having first, second and third arrays of writers |
US8094407B2 (en) * | 2009-08-18 | 2012-01-10 | International Business Machines Corporation | Servomechanism with adjustable predictor filter |
US8730615B1 (en) * | 2012-10-25 | 2014-05-20 | Hewlett-Packard Development Company, L.P. | Bidirectional read/write heads having backward reading compatibility |
US11676626B1 (en) | 2022-03-11 | 2023-06-13 | Western Digital Technologies, Inc. | Tape head having joined modules |
US11545184B1 (en) | 2022-03-28 | 2023-01-03 | Western Digital Technologies, Inc. | Joined multi-module tape recording head |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3088101A (en) * | 1957-11-07 | 1963-04-30 | Honeywell Regulator Co | Electrical apparatus for certifying magnetic tape |
US3249928A (en) * | 1961-09-22 | 1966-05-03 | Burroughs Corp | Magnetic transducer |
JPS506340Y1 (de) * | 1970-05-21 | 1975-02-24 | ||
JPS5130769B1 (de) * | 1971-06-15 | 1976-09-02 | ||
FR2191186B1 (de) * | 1972-07-03 | 1976-01-16 | Inf Ci Interna Fr | |
FR2194012B1 (de) * | 1972-07-26 | 1974-12-27 | Sfim | |
US3774154A (en) * | 1972-08-21 | 1973-11-20 | Ibm | Error control circuits and methods |
FR2208158B1 (de) * | 1972-11-30 | 1976-06-04 | Bertin & Cie | |
US3942190A (en) * | 1974-03-21 | 1976-03-02 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for uninterrupted recording and reproduction in a multichannel mode of information on tape |
US4003089A (en) * | 1974-12-31 | 1977-01-11 | Motorola, Inc. | Electronic channel selecting system for a quad-stereo tape player |
JPS5613503A (en) * | 1979-07-16 | 1981-02-09 | Olympus Optical Co Ltd | Fixed-head magnetic recording and reproducing device |
JPS5677934A (en) * | 1979-11-28 | 1981-06-26 | Teac Co | Digital magnetic recording device |
JPS5979417A (ja) * | 1982-10-28 | 1984-05-08 | Sony Corp | 磁気ヘツド装置 |
-
1983
- 1983-07-18 US US06/514,994 patent/US4685005A/en not_active Expired - Lifetime
-
1984
- 1984-02-20 JP JP59028816A patent/JPS6028010A/ja active Pending
- 1984-05-30 EP EP84106171A patent/EP0131727B1/de not_active Expired
- 1984-05-30 DE DE8484106171T patent/DE3484153D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0131727A3 (en) | 1987-08-26 |
EP0131727A2 (de) | 1985-01-23 |
EP0131727B1 (de) | 1991-02-27 |
US4685005A (en) | 1987-08-04 |
JPS6028010A (ja) | 1985-02-13 |
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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 |