DE3107591C2 - - Google Patents

Info

Publication number
DE3107591C2
DE3107591C2 DE3107591A DE3107591A DE3107591C2 DE 3107591 C2 DE3107591 C2 DE 3107591C2 DE 3107591 A DE3107591 A DE 3107591A DE 3107591 A DE3107591 A DE 3107591A DE 3107591 C2 DE3107591 C2 DE 3107591C2
Authority
DE
Germany
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
Application number
DE3107591A
Other versions
DE3107591A1 (de
Inventor
Kazuo Koinuma
Masami Yokohama Jp Yamazaki
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3107591A1 publication Critical patent/DE3107591A1/de
Application granted granted Critical
Publication of DE3107591C2 publication Critical patent/DE3107591C2/de
Granted 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
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape
    • 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
    • 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
    • G11B5/00821—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 using stationary heads
    • G11B5/00826—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 using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time
    • G11B5/0083—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 using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time for parallel information processing, e.g. PCM recording
    • 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
    • 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
    • G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
DE19813107591 1980-02-29 1981-02-27 Verfahren und vorrichtung zur magnetbandaufzeichnungund/oder -wiedergabe von digitalsignalen Granted DE3107591A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2467580A JPS56124103A (en) 1980-02-29 1980-02-29 Digital magnetic recording and/or reproducing method

Publications (2)

Publication Number Publication Date
DE3107591A1 DE3107591A1 (de) 1982-02-04
DE3107591C2 true DE3107591C2 (de) 1987-03-05

Family

ID=12144706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813107591 Granted DE3107591A1 (de) 1980-02-29 1981-02-27 Verfahren und vorrichtung zur magnetbandaufzeichnungund/oder -wiedergabe von digitalsignalen

Country Status (5)

Country Link
US (1) US4424541A (de)
JP (1) JPS56124103A (de)
DE (1) DE3107591A1 (de)
GB (1) GB2070843B (de)
NL (1) NL8100935A (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56167028U (de) * 1980-05-10 1981-12-10
JPS5760528A (en) * 1980-09-30 1982-04-12 Sony Corp Head supporting in recorder and reproducer
DE3273539D1 (en) * 1981-06-08 1986-11-06 Hitachi Ltd Azimuthal magnetic recording and reproducing apparatus
NL8105831A (nl) * 1981-12-24 1983-07-18 Philips Nv Roteerbare kopeenheid.
JPS58185009A (ja) * 1982-04-23 1983-10-28 Sony Corp 磁気記録再生装置
DE3325353A1 (de) * 1983-07-14 1985-01-24 Honeywell Gmbh Positionssensor
US4796124A (en) * 1986-03-25 1989-01-03 Kabushiki Kaisha Toshiba Information recording and reproducing apparatus
JP2966413B2 (ja) * 1988-01-27 1999-10-25 株式会社日立製作所 磁気記録再生装置
US5307217A (en) * 1992-06-24 1994-04-26 Digital Equipment Corporation Magnetic head for very high track density magnetic recording
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
EP0678854B1 (de) * 1994-04-22 2001-11-28 Deutsche Thomson-Brandt Gmbh Verfahren zur Aufzeichnung eines digitalen Signals
KR100236106B1 (ko) * 1994-11-21 1999-12-15 전주범 테이프레코더의 회전헤드(rotary head for a tape recorder)
JPH09167308A (ja) * 1995-12-19 1997-06-24 Canon Electron Inc 磁気再生方法、磁気検出素子、磁気検出装置、及び磁気記録媒体
JP2000515291A (ja) * 1996-07-24 2000-11-14 ストレイジ テクノロジー コーポレイション 方位角の向きに方向づけられたトラックを用いた長手方向磁気記録構造
JP2004039074A (ja) * 2002-07-02 2004-02-05 Sony Corp マルチチャンネルヘッドの位置制御装置およびマルチチャンネルヘッドの位置制御方法
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
US7085095B2 (en) * 2003-10-20 2006-08-01 Quantum Corporation Electromagnetic void-sensing probes and position 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
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
US9916860B2 (en) * 2013-03-13 2018-03-13 Oracle International Corporation Azimuth actuated dual device set positioning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405536A1 (fr) * 1977-10-07 1979-05-04 Thomson Csf Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin
DE2759139A1 (de) * 1977-12-31 1979-07-12 Heinz Thiele Video-recorder

Also Published As

Publication number Publication date
NL8100935A (nl) 1981-10-01
GB2070843A (en) 1981-09-09
JPS56124103A (en) 1981-09-29
US4424541A (en) 1984-01-03
DE3107591A1 (de) 1982-02-04
GB2070843B (en) 1984-02-29

Similar Documents

Publication Publication Date Title
FR2474221B1 (de)
DE3112793C2 (de)
FR2477706B1 (de)
DE3107591C2 (de)
DE3048540C2 (de)
FR2473816B1 (de)
DE3152204T1 (de)
FR2474811B1 (de)
FR2473805B1 (de)
FR2475127B1 (de)
DE3123973C2 (de)
FR2475779B1 (de)
DE3131991C2 (de)
FR2474802B1 (de)
FR2477416B1 (de)
DE3134157C2 (de)
FR2474998B1 (de)
DE3152276T1 (de)
DE3138247C2 (de)
FR2474075B3 (de)
DE3036995C2 (de)
FR2475290B1 (de)
FR2475532B3 (de)
FR2474132B1 (de)
FR2476878B3 (de)

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee