FR2526570B1 - Appareil de positionnement lineaire, notamment pour tete de lecture et d'enregistrement d'informations de disques magnetiques - Google Patents

Appareil de positionnement lineaire, notamment pour tete de lecture et d'enregistrement d'informations de disques magnetiques

Info

Publication number
FR2526570B1
FR2526570B1 FR8307676A FR8307676A FR2526570B1 FR 2526570 B1 FR2526570 B1 FR 2526570B1 FR 8307676 A FR8307676 A FR 8307676A FR 8307676 A FR8307676 A FR 8307676A FR 2526570 B1 FR2526570 B1 FR 2526570B1
Authority
FR
France
Prior art keywords
reading
recording head
magnetic disc
positioning apparatus
disc information
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
Application number
FR8307676A
Other languages
English (en)
Other versions
FR2526570A1 (fr
Inventor
Leonard N Wedman
Joseph A Bourque
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.)
Kollmorgen Technologies Corp
Original Assignee
Kollmorgen Technologies 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 Kollmorgen Technologies Corp filed Critical Kollmorgen Technologies Corp
Publication of FR2526570A1 publication Critical patent/FR2526570A1/fr
Application granted granted Critical
Publication of FR2526570B1 publication Critical patent/FR2526570B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • 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
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Linear Motors (AREA)
  • Control Of Linear Motors (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Moving Of Heads (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)
FR8307676A 1982-05-10 1983-05-09 Appareil de positionnement lineaire, notamment pour tete de lecture et d'enregistrement d'informations de disques magnetiques Expired FR2526570B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/376,657 US4456934A (en) 1982-05-10 1982-05-10 Linear positioning system

Publications (2)

Publication Number Publication Date
FR2526570A1 FR2526570A1 (fr) 1983-11-10
FR2526570B1 true FR2526570B1 (fr) 1988-08-12

Family

ID=23485922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8307676A Expired FR2526570B1 (fr) 1982-05-10 1983-05-09 Appareil de positionnement lineaire, notamment pour tete de lecture et d'enregistrement d'informations de disques magnetiques

Country Status (8)

Country Link
US (1) US4456934A (fr)
JP (1) JPS58213308A (fr)
DE (1) DE3317521C2 (fr)
FR (1) FR2526570B1 (fr)
GB (1) GB2123984B (fr)
IE (1) IE54437B1 (fr)
IT (1) IT1227650B (fr)
NL (1) NL8301676A (fr)

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US4970890A (en) * 1988-11-23 1990-11-20 Westinghouse Electric Corp. Electric generator inspection system
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CH687241A5 (de) * 1993-05-07 1996-10-31 Walter Suter Vorrichtung zum Schneiden von Endlos-Papier sowie ein Verfahren zu ihrem Betrieb.
JP3328109B2 (ja) 1994-07-14 2002-09-24 富士通株式会社 インクジェットプリンタ
JPH08297930A (ja) * 1995-04-28 1996-11-12 Fujitsu Ltd ロータリーアクチュエータの磁気回路構造
US5661446A (en) * 1995-06-07 1997-08-26 Mts Systems Corporation Electromagnetic actuator
US5767402A (en) * 1996-03-07 1998-06-16 Mts Systems Corporation Material testing system having DC brushless linear motor
JP2002538570A (ja) 1999-02-22 2002-11-12 シーゲイト テクノロジー エルエルシー 再現性ランアウト・エラーの補償
DE10021589C2 (de) * 1999-05-06 2003-07-31 Leuze Electronic Gmbh & Co Vorrichtung zur Positionierung eines Aktors
WO2000068939A1 (fr) 1999-05-07 2000-11-16 Seagate Technology Llc Compensation d'erreurs de trajectoire repetees utilisant une commande d'apprentissage iteratif dans un systeme de memoire a disque
KR20020025197A (ko) 1999-07-23 2002-04-03 추후 계획된 변수들을 가진 학습 알고리즘을 사용하는 반복되는런아웃 보상
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KR100398659B1 (ko) * 2001-08-20 2003-09-19 한국전기연구원 횡자속 선형 전동기식 가진기
US6773653B2 (en) 2001-10-05 2004-08-10 Avery Dennison Corporation In-mold labeling method
US6716501B2 (en) 2002-07-18 2004-04-06 Avery Dennison Corporation Multilayered film
WO2004098868A2 (fr) * 2003-05-01 2004-11-18 Avery Dennison Corporation Film multicouche
GB2423641A (en) * 2005-02-23 2006-08-30 Noside Ltd Rotary and linear electromagnetic reciprocating machine
US7944649B2 (en) 2007-04-11 2011-05-17 Oracle America, Inc. Magnetically preloaded anti-rotation guide for a transducer
JP5171395B2 (ja) * 2007-07-31 2013-03-27 京セラ株式会社 ステージの位置変動検出装置およびこれを備えた搬送装置
US8084969B2 (en) * 2007-10-01 2011-12-27 Allegro Microsystems, Inc. Hall-effect based linear motor controller
US7936144B2 (en) * 2008-03-06 2011-05-03 Allegro Microsystems, Inc. Self-calibration algorithms in a small motor driver IC with an integrated position sensor
BRPI0913051B1 (pt) 2008-05-23 2020-06-23 Thyssenkrupp Elevator Corporation Aparelho para amortecer as oscilações de um carro de elevador
JP5153457B2 (ja) * 2008-05-29 2013-02-27 京セラ株式会社 ステージの位置変動検出装置およびこれを備えた搬送装置
RU2648682C2 (ru) * 2016-06-01 2018-03-28 Федеральное государственное бюджетное учреждение науки Институт спектроскопии Российской академии наук (ИСАН) Линейный двигатель с подвижным магнитом
US20220385162A1 (en) 2019-11-07 2022-12-01 Hyperloop Technologies, Inc. A system, electromagnetic actuator and track for braking

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JPS56101371A (en) * 1980-01-16 1981-08-13 Tamagawa Seiki Kk Magnet movable type dc linear motor
EP0043733B1 (fr) * 1980-07-07 1986-03-12 Xerox Corporation Appareil pour commander le mouvement d'un élément mouvant
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US4415821A (en) 1982-05-10 1983-11-15 Kollmorgen Technologies Corporation Dynamic magnetic preload bearing structure for a linear motor

Also Published As

Publication number Publication date
FR2526570A1 (fr) 1983-11-10
JPS58213308A (ja) 1983-12-12
GB2123984A (en) 1984-02-08
GB8312006D0 (en) 1983-06-08
GB2123984B (en) 1985-11-27
NL8301676A (nl) 1983-12-01
IT1227650B (it) 1991-04-23
US4456934A (en) 1984-06-26
IE831054L (en) 1983-11-10
DE3317521A1 (de) 1983-11-24
IT8348262A0 (it) 1983-05-10
IE54437B1 (en) 1989-10-11
DE3317521C2 (de) 1986-12-18

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse