TW200607222A - Coil load drive circuit and optical disk device - Google Patents

Coil load drive circuit and optical disk device

Info

Publication number
TW200607222A
TW200607222A TW094117490A TW94117490A TW200607222A TW 200607222 A TW200607222 A TW 200607222A TW 094117490 A TW094117490 A TW 094117490A TW 94117490 A TW94117490 A TW 94117490A TW 200607222 A TW200607222 A TW 200607222A
Authority
TW
Taiwan
Prior art keywords
drive circuit
optical disk
disk device
load drive
coil load
Prior art date
Application number
TW094117490A
Other languages
English (en)
Chinese (zh)
Other versions
TWI363484B (enExample
Inventor
Toshiro Okubo
Original Assignee
Rohm Co 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200607222A publication Critical patent/TW200607222A/zh
Application granted granted Critical
Publication of TWI363484B publication Critical patent/TWI363484B/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
    • H03K17/162—Modifications for eliminating interference voltages or currents in field-effect transistor switches without feedback from the output circuit to the control circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
    • H03K17/6872—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor using complementary field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
    • H03K17/661—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals
    • H03K17/662—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals each output circuit comprising more than one controlled bipolar transistor
    • H03K17/663—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals each output circuit comprising more than one controlled bipolar transistor using complementary bipolar transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Dc-Dc Converters (AREA)
  • Inverter Devices (AREA)
  • Control Of Linear Motors (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Electric Motors In General (AREA)
  • Optical Head (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
TW094117490A 2004-05-27 2005-05-27 Coil load drive circuit and optical disk device TW200607222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004158319A JP3969590B2 (ja) 2004-05-27 2004-05-27 コイル負荷駆動回路及び光ディスク装置

Publications (2)

Publication Number Publication Date
TW200607222A true TW200607222A (en) 2006-02-16
TWI363484B TWI363484B (enExample) 2012-05-01

Family

ID=35451204

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094117490A TW200607222A (en) 2004-05-27 2005-05-27 Coil load drive circuit and optical disk device

Country Status (6)

Country Link
US (1) US7630616B2 (enExample)
JP (1) JP3969590B2 (enExample)
KR (1) KR101113521B1 (enExample)
CN (1) CN100521500C (enExample)
TW (1) TW200607222A (enExample)
WO (1) WO2005117250A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008004322A1 (en) * 2006-07-07 2008-01-10 Panasonic Corporation Brushless motor drive circuit and motor having the same
JP2010003147A (ja) * 2008-06-20 2010-01-07 Fujitsu Ltd 温度制御装置および光伝送装置
KR101919400B1 (ko) 2012-07-12 2018-11-19 삼성전자 주식회사 모터 구동 신호 생성 시스템 및 방법, 반도체 장치, 전자 장치 및 그 진동 조절 방법
WO2023173241A1 (zh) * 2022-03-14 2023-09-21 深圳市汇顶科技股份有限公司 D类放大器及相关芯片和电子装置
CN114421906B (zh) * 2022-03-14 2023-05-02 深圳市汇顶科技股份有限公司 D类放大器及相关芯片和电子装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153853A (en) * 1976-07-07 1979-05-08 Villeneuve Dail A De DC motor speed controller
JPS608541B2 (ja) * 1976-09-28 1985-03-04 ソニー株式会社 リール制御装置
IT1156505B (it) * 1982-09-01 1987-02-04 Olivetti & Co Spa Dispositivo per controllare la velocita ed il posizionamento di un motore elettrico
US4772994A (en) * 1987-09-10 1988-09-20 Nishimu Electronics Industries, Co., Ltd. Power source using high-frequency phase control
JP3446220B2 (ja) * 1992-05-21 2003-09-16 ソニー株式会社 モータ駆動装置
US5450521A (en) * 1994-08-03 1995-09-12 Sunpower, Inc. Pulse width modulator
US5869944A (en) * 1995-02-16 1999-02-09 Sony Corporation Motor driving apparatus
JP3723369B2 (ja) 1999-02-19 2005-12-07 富士通株式会社 モータ駆動装置の調整方法及びモータ駆動装置並びに情報記憶装置
JP3786170B2 (ja) 1999-11-26 2006-06-14 ローム株式会社 誘導性負荷駆動回路
JP2003164194A (ja) 2001-11-21 2003-06-06 Sharp Corp インクジェット記録装置における直流モータ駆動装置
US6801028B2 (en) * 2002-11-14 2004-10-05 Fyre Storm, Inc. Phase locked looped based digital pulse converter
TW200814533A (en) * 2006-09-11 2008-03-16 Beyond Innovation Tech Co Ltd Apparatus for pulse width modulation and circuit and method for controlling thereof

Also Published As

Publication number Publication date
US20080019678A1 (en) 2008-01-24
CN100521500C (zh) 2009-07-29
JP2005341736A (ja) 2005-12-08
TWI363484B (enExample) 2012-05-01
JP3969590B2 (ja) 2007-09-05
KR101113521B1 (ko) 2012-03-13
US7630616B2 (en) 2009-12-08
WO2005117250A1 (ja) 2005-12-08
KR20070021222A (ko) 2007-02-22
CN1957525A (zh) 2007-05-02

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees