TW200614555A - Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus - Google Patents

Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus

Info

Publication number
TW200614555A
TW200614555A TW094108223A TW94108223A TW200614555A TW 200614555 A TW200614555 A TW 200614555A TW 094108223 A TW094108223 A TW 094108223A TW 94108223 A TW94108223 A TW 94108223A TW 200614555 A TW200614555 A TW 200614555A
Authority
TW
Taiwan
Prior art keywords
piezoelectric transformer
circuit
signal
voltage
drive circuit
Prior art date
Application number
TW094108223A
Other languages
English (en)
Inventor
Kinya Takama
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 TW200614555A publication Critical patent/TW200614555A/zh

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
    • H05B41/2827—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • H10N30/804—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits for piezoelectric transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Inverter Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
TW094108223A 2004-03-19 2005-03-17 Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus TW200614555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004081090A JP2005269819A (ja) 2004-03-19 2004-03-19 圧電トランス駆動回路及びそれを備えた冷陰極管点灯装置

Publications (1)

Publication Number Publication Date
TW200614555A true TW200614555A (en) 2006-05-01

Family

ID=34985531

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094108223A TW200614555A (en) 2004-03-19 2005-03-17 Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus

Country Status (5)

Country Link
US (1) US7256530B2 (zh)
JP (1) JP2005269819A (zh)
KR (1) KR20060043726A (zh)
CN (1) CN1691486A (zh)
TW (1) TW200614555A (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7584177B2 (en) 2005-06-29 2009-09-01 Google Inc. Determination of a desired repository
CN101471614B (zh) * 2007-12-28 2012-12-05 德昌电机(深圳)有限公司 用于电容性负载的驱动电路
DE102009023505A1 (de) * 2009-06-02 2010-12-09 Austriamicrosystems Ag Schaltungsanordnung für einen Piezotransformator und dazugehörendes Verfahren
US8659921B2 (en) * 2009-08-28 2014-02-25 General Electric Company Power supply with a piezoelectric transformer and method for power conversion
JP5340255B2 (ja) * 2010-12-07 2013-11-13 キヤノン株式会社 電源、ｉｃおよび画像形成装置
CN105187061B (zh) * 2015-08-28 2018-11-27 京信通信系统（中国）有限公司 晶振控制方法及其装置
JP2019193122A (ja) * 2018-04-25 2019-10-31 セイコーエプソン株式会社 出力バッファー回路、発振器、電子機器及び移動体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665600B1 (en) * 1994-01-27 1999-07-21 Hitachi Metals, Ltd. Discharge tube driving device and piezoelectric transformer therefor
JPH08146697A (ja) 1994-11-22 1996-06-07 Fuji Xerox Co Ltd カラー画像形成装置
DE69620517T2 (de) * 1995-08-07 2002-11-07 Nec Corp Umwandler wobei ein piezoelektrisches Transformatoreingangssignal durch ein pulsbreitenmoduliertes Signal frequenzmoduliert wird
US6188163B1 (en) * 1996-10-29 2001-02-13 Dong Il Technology Ltd. Converter with piezoceramic transformer
CN1118924C (zh) * 1997-02-06 2003-08-20 太平洋水泥株式会社 压电式变压器的控制电路及控制方法
JPH10285942A (ja) 1997-02-06 1998-10-23 Nippon Cement Co Ltd 圧電トランスの制御回路及び制御方法
JP2001136749A (ja) 1999-11-10 2001-05-18 Matsushita Electric Ind Co Ltd 圧電インバータ駆動装置
JP2003164163A (ja) 2001-11-20 2003-06-06 Hitachi Metals Ltd 圧電トランス駆動回路
JP2004039336A (ja) 2002-07-01 2004-02-05 Murata Mfg Co Ltd 冷陰極管用圧電インバータ

Also Published As

Publication number Publication date
JP2005269819A (ja) 2005-09-29
US20050206273A1 (en) 2005-09-22
CN1691486A (zh) 2005-11-02
KR20060043726A (ko) 2006-05-15
US7256530B2 (en) 2007-08-14

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