HK1021266A1 - Power supply circuit - Google Patents

Power supply circuit

Info

Publication number
HK1021266A1
HK1021266A1 HK00100129A HK00100129A HK1021266A1 HK 1021266 A1 HK1021266 A1 HK 1021266A1 HK 00100129 A HK00100129 A HK 00100129A HK 00100129 A HK00100129 A HK 00100129A HK 1021266 A1 HK1021266 A1 HK 1021266A1
Authority
HK
Hong Kong
Prior art keywords
power supply
supply circuit
circuit
power
supply
Prior art date
Application number
HK00100129A
Other languages
English (en)
Inventor
Sadashi Shimoda
Original Assignee
Seiko Instr 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 Seiko Instr Inc filed Critical Seiko Instr Inc
Publication of HK1021266A1 publication Critical patent/HK1021266A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3696—Generation of voltages supplied to electrode drivers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0257—Reduction of after-image effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
HK00100129A 1998-03-03 2000-01-07 Power supply circuit HK1021266A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10051166A JPH11252903A (ja) 1998-03-03 1998-03-03 電源回路

Publications (1)

Publication Number Publication Date
HK1021266A1 true HK1021266A1 (en) 2000-06-02

Family

ID=12879249

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00100129A HK1021266A1 (en) 1998-03-03 2000-01-07 Power supply circuit

Country Status (6)

Country Link
US (1) US6060869A (xx)
JP (1) JPH11252903A (xx)
KR (1) KR19990077394A (xx)
CN (1) CN1071513C (xx)
HK (1) HK1021266A1 (xx)
TW (1) TW407393B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3016143B2 (ja) * 1998-07-27 2000-03-06 セイコーインスツルメンツ株式会社 液晶用電源回路
JP2001326567A (ja) * 2000-03-10 2001-11-22 Rohm Co Ltd Ｍｏｓｆｅｔ駆動回路
US6597158B2 (en) * 2001-01-29 2003-07-22 Seiko Epson Corporation Adjustable current consumption power supply apparatus
US7009858B2 (en) * 2001-01-29 2006-03-07 Seiko Epson Corporation Adjustable current consumption power supply apparatus
KR100438786B1 (ko) * 2002-04-23 2004-07-05 삼성전자주식회사 저전력 고효율의 액정표시장치 구동 전압 발생 회로 및 그방법
JP4094487B2 (ja) * 2003-05-21 2008-06-04 ローム株式会社 正負出力電圧用電源装置
CN100394345C (zh) * 2004-03-03 2008-06-11 晶豪科技股份有限公司 电压产生器以及产生稳定电压的方法
JP4887841B2 (ja) * 2006-03-06 2012-02-29 富士通セミコンダクター株式会社 Ｄｃ−ｄｃコンバータ制御回路、ｄｃ−ｄｃコンバータ、半導体装置およびｄｃ−ｄｃコンバータ制御方法
US7982447B2 (en) * 2007-12-13 2011-07-19 Texas Instruments Incorporated Switched mode power supply having improved transient response
KR101525209B1 (ko) * 2008-11-04 2015-06-05 삼성전자주식회사 모듈 테스트 장치 및 그것을 포함하는 테스트 시스템
DE102010010409A1 (de) * 2010-03-05 2011-09-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben einer Energiespeicheranordnung und Energiespeicheranordnung
JP5170285B2 (ja) * 2011-05-27 2013-03-27 富士通セミコンダクター株式会社 電源装置の制御回路、電源装置及びその制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626766A (en) * 1984-07-13 1986-12-02 Siemens Aktiengesellschaft Circuit arrangement for feeding electrical users
JP3234043B2 (ja) * 1993-05-10 2001-12-04 株式会社東芝 液晶駆動用電源回路
US5412308A (en) * 1994-01-06 1995-05-02 Hewlett-Packard Corporation Dual voltage power supply

Also Published As

Publication number Publication date
CN1227989A (zh) 1999-09-08
JPH11252903A (ja) 1999-09-17
TW407393B (en) 2000-10-01
CN1071513C (zh) 2001-09-19
KR19990077394A (ko) 1999-10-25
US6060869A (en) 2000-05-09

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20111219