DE69723792D1 - Schaltungsanordung und Verfahren zum Strommessen in einem Schwingspulenantreiber - Google Patents

Schaltungsanordung und Verfahren zum Strommessen in einem Schwingspulenantreiber

Info

Publication number
DE69723792D1
DE69723792D1 DE69723792T DE69723792T DE69723792D1 DE 69723792 D1 DE69723792 D1 DE 69723792D1 DE 69723792 T DE69723792 T DE 69723792T DE 69723792 T DE69723792 T DE 69723792T DE 69723792 D1 DE69723792 D1 DE 69723792D1
Authority
DE
Germany
Prior art keywords
voice coil
circuit arrangement
measuring current
coil driver
driver
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
Application number
DE69723792T
Other languages
English (en)
Other versions
DE69723792T2 (de
Inventor
Patrick G O'farrell
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE69723792D1 publication Critical patent/DE69723792D1/de
Publication of DE69723792T2 publication Critical patent/DE69723792T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/54—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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • 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
    • 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
    • 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
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G11B2220/2516—Hard disks
DE69723792T 1996-10-03 1997-10-03 Schaltungsanordung und Verfahren zum Strommessen in einem Schwingspulenantreiber Expired - Lifetime DE69723792T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2763796P 1996-10-03 1996-10-03
US27637P 1996-10-03

Publications (2)

Publication Number Publication Date
DE69723792D1 true DE69723792D1 (de) 2003-09-04
DE69723792T2 DE69723792T2 (de) 2004-03-11

Family

ID=21838894

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723792T Expired - Lifetime DE69723792T2 (de) 1996-10-03 1997-10-03 Schaltungsanordung und Verfahren zum Strommessen in einem Schwingspulenantreiber

Country Status (6)

Country Link
US (1) US6151186A (de)
EP (1) EP0834871B1 (de)
KR (1) KR100490080B1 (de)
DE (1) DE69723792T2 (de)
SG (1) SG55390A1 (de)
TW (1) TW424226B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6417723B1 (en) * 1998-05-22 2002-07-09 Seagate Technology Llc Method and apparatus for generating low-noise current for MR heads
US6374043B1 (en) 2001-03-30 2002-04-16 Texas Instruments Incorporated Fully-integrated VCM driver with controlled and predictable Class-AB linear operation
US6353298B1 (en) 2001-04-11 2002-03-05 Texas Instruments Incorporated Low distortion audio range class-AB full H-bridge pre-driver amplifier
KR100408025B1 (ko) * 2001-05-11 2003-12-03 엘지전자 주식회사 고밀도 기록/재생 장치의 헤드위치 제어장치 및 방법
US6954105B2 (en) * 2002-10-31 2005-10-11 Stmicroelectronics, Inc. Disk drive and error amplifier therefor and related methods
US6816099B2 (en) * 2003-03-21 2004-11-09 Renesas Technology America, Inc. Current-mode D/A converter having variable output and offset control
US7042256B2 (en) * 2003-07-15 2006-05-09 Agere Systems Inc. Voice coil motor power amplifier
DE102004030129A1 (de) * 2004-06-22 2006-01-19 Robert Bosch Gmbh Schaltungsanordnung und Verfahren zur Einstellung der Leistungsaufnahme einer an einem Gleichspannungsnetz betreibbaren Last
US7573323B2 (en) * 2007-05-31 2009-08-11 Aptina Imaging Corporation Current mirror bias trimming technique
US7782127B2 (en) * 2008-01-25 2010-08-24 Broadcom Corporation Multi-mode reconstruction filter
JP2012134790A (ja) * 2010-12-22 2012-07-12 Sumitomo Electric Ind Ltd 双方向駆動回路
JP5975322B2 (ja) * 2012-01-11 2016-08-23 Ｎｅｃスペーステクノロジー株式会社 固体撮像素子の駆動装置
JP6512192B2 (ja) * 2016-08-04 2019-05-15 オンキヨー株式会社 リレー駆動回路

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2672574B2 (ja) * 1988-05-31 1997-11-05 株式会社東芝 情報記録再生装置
JPH02261092A (ja) * 1989-01-24 1990-10-23 Fujitsu Ltd ディスク装置のボイスコイルモータ駆動回路
US5113147A (en) * 1990-09-26 1992-05-12 Minnesota Mining And Manufacturing Company Wide-band differential amplifier using gm-cancellation
US5191297A (en) * 1991-07-25 1993-03-02 Iomega Corporation Transconductance amplifier having sensfets which drive a load with linearly proportional current
JPH0549291A (ja) * 1991-08-08 1993-02-26 Nippon Motoroola Kk リトラクト機能付きボイスコイルモータ駆動回路
US5455816A (en) * 1992-05-18 1995-10-03 At&T Global Information Solutions Company MOS amplifier with gain control
US5416646A (en) * 1992-11-12 1995-05-16 Kabushiki Kaisha Toshiba Data recording and reproducing apparatus having read/write circuit with programmable parameter means
US5297024A (en) * 1992-12-01 1994-03-22 Sgs-Thomson Microelectronics, Inc. Voice coil driver with variable gain in seek and track-follow modes
US5444579A (en) * 1993-12-17 1995-08-22 Imp, Inc. Preamplifier of a signal from a variable resistance sensor, and a current source
US5493189A (en) * 1993-12-17 1996-02-20 Texas Instruments Incorporated Soft switching scheme for driving three-phase brushless DC motor
DE69427292D1 (de) * 1994-07-19 2001-06-28 Sgs Thomson Microelectronics Bidirektionale Stromabfühlschaltung für eine H-Brücke
US5631527A (en) * 1994-09-06 1997-05-20 Sgs-Thomson Microelectronics, Inc. Voice coil motor feedback control circuit
JPH098566A (ja) * 1995-06-06 1997-01-10 Sgs Thomson Microelectron Inc 増幅器出力段
US5867001A (en) * 1996-09-19 1999-02-02 Texas Instruments Incorporated Trim circuitry and method for accuracy in current sensing

Also Published As

Publication number Publication date
KR100490080B1 (ko) 2005-09-02
DE69723792T2 (de) 2004-03-11
KR19980032550A (ko) 1998-07-25
EP0834871B1 (de) 2003-07-30
SG55390A1 (en) 1998-12-21
EP0834871A1 (de) 1998-04-08
US6151186A (en) 2000-11-21
TW424226B (en) 2001-03-01

Similar Documents

Publication Publication Date Title
DE69716493T2 (de) Verfahren und Vorrichtung zum Aufwickeln
DE69929654D1 (de) Verfahren und Vorrichtung zum Schweissen
DE59508637D1 (de) Verfahren und Vorrichtung zum Stapeln
DE69717774D1 (de) Verfahren zum horizontalschweissen und schweissvorrichtung
DE69520858D1 (de) Vorrichtung und Verfahren zur Seitenaufprall-Prüfung
DE59701709D1 (de) Verfahren und vorrichtung zur kontaktierung eines drahtleiters
DE69816263D1 (de) Verfahren und vorrichtung zum verdrehen von u-foermigen statorwicklungskoepfen
DE69722425D1 (de) Verfahren und vorrichtung zum routing von netzen in einem elektronischen gerät
DE69522993T2 (de) Flussmittel und Verfahren zum Weichlöten
DE69735906D1 (de) Verfahren zum Überkopfschweissen
DE69602877D1 (de) Verfahren und Vorrichtung zur Reduzierung der Wicklungsausfälle in geschalteten Reluktanzmaschinen
DE69723792D1 (de) Schaltungsanordung und Verfahren zum Strommessen in einem Schwingspulenantreiber
DE59205978D1 (de) Verfahren und vorrichtung zur vermeidung übergrosser ströme in einem schweissumrichter
DE69910919D1 (de) Verfahren und Vorrichtung für einen Schaltkreis mit einem sättigbaren Kernvorrichtung
DE69925564D1 (de) Verfahren und Vorrichtung zum Schweissen
DE69841074D1 (de) Verfahren und schaltungsanordnung in einem gleichstromwandler
DE69500725D1 (de) Verfahren und Gerät zum Löten
DE69926592D1 (de) Verfahren und vorrichtung zum aufwickeln von metallfolie
DE59710450D1 (de) Verfahren und Vorrichtung zum Prüfen von Kraftfahrzeugen
DE59702865D1 (de) Verfahren und anordnung zur strommessung
DE69817114D1 (de) Verfahren und Vorrichtung zur Reduzierung des Vorspannungsstromes in einem Referenzspannungkonstanter
DE59409079D1 (de) Verfahren zum widerstandsschweissen
DE69705908D1 (de) Verfahren und Vorrichtung zum Abschalten eines Fahrzeuganlassers
DE59402217D1 (de) Vorrichtung und Verfahren zum Drahtbonden
DE59705537D1 (de) Verfahren und Vorrichtung zum funkenerosiven Bearbeiten

Legal Events

Date Code Title Description
8364 No opposition during term of opposition