HK1031279A1 - Control circuit and method for piezoelectric transformer - Google Patents

Control circuit and method for piezoelectric transformer

Info

Publication number
HK1031279A1
HK1031279A1 HK99104775A HK99104775A HK1031279A1 HK 1031279 A1 HK1031279 A1 HK 1031279A1 HK 99104775 A HK99104775 A HK 99104775A HK 99104775 A HK99104775 A HK 99104775A HK 1031279 A1 HK1031279 A1 HK 1031279A1
Authority
HK
Hong Kong
Prior art keywords
piezoelectric transformer
control circuit
driving
driving circuit
circuit
Prior art date
Application number
HK99104775A
Other languages
English (en)
Inventor
Katsuyuki Ishikawa
Takeshi Fujimura
Masaaki Toyama
Original Assignee
Taiheiyo Cement 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
Priority claimed from JP8228458A external-priority patent/JPH1075576A/ja
Priority claimed from JP9023870A external-priority patent/JPH10223390A/ja
Priority claimed from JP02386997A external-priority patent/JP3681851B2/ja
Priority claimed from JP9023867A external-priority patent/JPH10223388A/ja
Priority claimed from JP9135188A external-priority patent/JPH10327587A/ja
Application filed by Taiheiyo Cement Corp filed Critical Taiheiyo Cement Corp
Publication of HK1031279A1 publication Critical patent/HK1031279A1/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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • 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
    • H05B41/2821—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 single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2822—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 single-switch converter or a parallel push-pull 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
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • H10N30/40—Piezoelectric or electrostrictive devices with electrical input and electrical output, e.g. functioning as transformers
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Details Of Television Scanning (AREA)
  • Dc-Dc Converters (AREA)
HK99104775A 1996-08-29 1999-10-26 Control circuit and method for piezoelectric transformer HK1031279A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8228458A JPH1075576A (ja) 1996-08-29 1996-08-29 圧電トランスの制御回路
JP9023870A JPH10223390A (ja) 1997-02-06 1997-02-06 圧電トランスの制御回路
JP02386997A JP3681851B2 (ja) 1997-02-06 1997-02-06 圧電トランスの制御回路
JP9023867A JPH10223388A (ja) 1997-02-06 1997-02-06 圧電トランスの制御回路
JP9135188A JPH10327587A (ja) 1997-05-26 1997-05-26 圧電トランスの制御回路及びその制御方法
PCT/JP1997/002966 WO1998009369A1 (en) 1996-08-29 1997-08-26 Control circuit and method for piezoelectric transformer

Publications (1)

Publication Number Publication Date
HK1031279A1 true HK1031279A1 (en) 2001-06-08

Family

ID=27520581

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99104775A HK1031279A1 (en) 1996-08-29 1999-10-26 Control circuit and method for piezoelectric transformer

Country Status (9)

Country Link
US (1) US6239558B1 (ko)
EP (1) EP0922324B1 (ko)
KR (1) KR100322513B1 (ko)
CN (1) CN1175554C (ko)
AT (1) ATE199197T1 (ko)
DE (1) DE69704082T2 (ko)
HK (1) HK1031279A1 (ko)
TW (1) TW349278B (ko)
WO (1) WO1998009369A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7423362B2 (en) 2003-05-29 2008-09-09 Tamura Corporation Piezoelectric transformer drive method and drive circuit

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US6900600B2 (en) 1998-12-11 2005-05-31 Monolithic Power Systems, Inc. Method for starting a discharge lamp using high energy initial pulse
US6583534B1 (en) * 1999-06-07 2003-06-24 Matsushita Electric Industrial Co., Ltd. Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
JP3802281B2 (ja) * 1999-06-21 2006-07-26 株式会社小糸製作所 放電灯点灯回路
AU6792900A (en) * 1999-08-20 2001-03-19 Texas Instruments Incorporated Control circuit for piezo transformer based fluorescent lamp power supplies
US6597084B2 (en) * 2001-01-05 2003-07-22 The Hong Kong Polytechnic University Ring-shaped piezoelectric transformer having an inner and outer electrode
US6501234B2 (en) 2001-01-09 2002-12-31 02 Micro International Limited Sequential burst mode activation circuit
US6720706B2 (en) * 2001-02-12 2004-04-13 Gareth J. Knowles Reduced component drive circuit
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US6667585B2 (en) * 2002-02-20 2003-12-23 Northrop Grumman Corporation Fluorescent lamp brightness control process by ballast frequency adjustment
US6853153B2 (en) * 2002-02-26 2005-02-08 Analog Microelectronics, Inc. System and method for powering cold cathode fluorescent lighting
US6639367B2 (en) 2002-02-27 2003-10-28 Texas Instruments Incorporated Control circuit employing preconditioned feedback amplifier for initializing VCO operating frequency
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US6690121B1 (en) 2002-11-20 2004-02-10 Visteon Global Technologies, Inc. High precision luminance control for PWM-driven lamp
JP2004170996A (ja) * 2002-11-20 2004-06-17 Keiho Kagi Yugenkoshi 多光源駆動装置、液晶表示装置及びその駆動方法
DE10259088B4 (de) * 2002-12-17 2007-01-25 Infineon Technologies Ag Resonanzkonverter mit Spannungsregelung und Verfahren zum Treiben von veränderlichen Lasten
US6911786B2 (en) * 2003-07-16 2005-06-28 Analog Microelectronics, Inc. CCFL circuit with independent adjustment of frequency and duty cycle
US7187139B2 (en) 2003-09-09 2007-03-06 Microsemi Corporation Split phase inverters for CCFL backlight system
TWI377871B (en) * 2003-10-17 2012-11-21 Samsung Display Co Ltd Power supply system and liquid crystal display device having the same
JP4371765B2 (ja) * 2003-10-17 2009-11-25 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
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US7755595B2 (en) 2004-06-07 2010-07-13 Microsemi Corporation Dual-slope brightness control for transflective displays
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TWI420964B (zh) * 2009-08-24 2013-12-21 Green Solution Tech Co Ltd 驅動電路及發光二極體驅動控制器
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TWI556271B (zh) * 2014-08-13 2016-11-01 佳世達科技股份有限公司 變壓器及其控制方法
TWI584570B (zh) * 2016-05-27 2017-05-21 盛群半導體股份有限公司 壓電元件的驅動電路及其方法
TWI712741B (zh) * 2017-08-21 2020-12-11 研能科技股份有限公司 共振式壓電氣體泵浦之節能控制方法
TWI691650B (zh) * 2018-11-13 2020-04-21 研能科技股份有限公司 微型壓電泵模組
TWI692192B (zh) * 2019-05-29 2020-04-21 宏碁股份有限公司 可設計關機點之電源供應電路
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CN110649803A (zh) * 2019-09-30 2020-01-03 合肥大展智能科技有限公司 一种低损耗宽幅可控分压电路

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7423362B2 (en) 2003-05-29 2008-09-09 Tamura Corporation Piezoelectric transformer drive method and drive circuit

Also Published As

Publication number Publication date
DE69704082D1 (de) 2001-03-22
EP0922324A1 (en) 1999-06-16
US6239558B1 (en) 2001-05-29
KR20000035896A (ko) 2000-06-26
EP0922324B1 (en) 2001-02-14
DE69704082T2 (de) 2001-09-13
WO1998009369A1 (en) 1998-03-05
ATE199197T1 (de) 2001-02-15
CN1175554C (zh) 2004-11-10
TW349278B (en) 1999-01-01
CN1235708A (zh) 1999-11-17
KR100322513B1 (ko) 2002-02-07

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

Effective date: 20060826