DE69922634D1 - Schaltung zur steuerung von piezoelektrischen transformatoren - Google Patents

Schaltung zur steuerung von piezoelektrischen transformatoren

Info

Publication number
DE69922634D1
DE69922634D1 DE69922634T DE69922634T DE69922634D1 DE 69922634 D1 DE69922634 D1 DE 69922634D1 DE 69922634 T DE69922634 T DE 69922634T DE 69922634 T DE69922634 T DE 69922634T DE 69922634 D1 DE69922634 D1 DE 69922634D1
Authority
DE
Germany
Prior art keywords
circuit
piezoelectric transformers
controlling piezoelectric
controlling
transformers
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
DE69922634T
Other languages
English (en)
Other versions
DE69922634T2 (de
Inventor
Hideyuki Nakanishi
Takahiro Kobayashi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP31977898A external-priority patent/JP3510805B2/ja
Priority claimed from JP31176198A external-priority patent/JP3494037B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69922634D1 publication Critical patent/DE69922634D1/de
Application granted granted Critical
Publication of DE69922634T2 publication Critical patent/DE69922634T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H05B41/26—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
    • H05B41/2824—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 control circuits for the switching element
    • 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
    • H05B41/36—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
DE69922634T 1998-10-21 1999-10-19 Schaltung zur steuerung von piezoelektrischen transformatoren Expired - Lifetime DE69922634T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP31977898 1998-10-21
JP31977898A JP3510805B2 (ja) 1998-10-21 1998-10-21 圧電トランス駆動回路
JP31176198 1998-11-02
JP31176198A JP3494037B2 (ja) 1998-11-02 1998-11-02 圧電トランスの駆動回路
PCT/JP1999/005772 WO2000024115A1 (fr) 1998-10-21 1999-10-19 Circuit d'excitation pour transformateur piezo-electrique

Publications (2)

Publication Number Publication Date
DE69922634D1 true DE69922634D1 (de) 2005-01-20
DE69922634T2 DE69922634T2 (de) 2005-12-15

Family

ID=26566886

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69922634T Expired - Lifetime DE69922634T2 (de) 1998-10-21 1999-10-19 Schaltung zur steuerung von piezoelektrischen transformatoren

Country Status (6)

Country Link
US (1) US6407480B1 (de)
EP (2) EP1575155A1 (de)
KR (1) KR100382951B1 (de)
CN (2) CN1571261A (de)
DE (1) DE69922634T2 (de)
WO (1) WO2000024115A1 (de)

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US6782297B2 (en) * 2001-05-24 2004-08-24 Eric Paul Tabor Methods and apparatus for data smoothing
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US6903517B2 (en) 2001-06-27 2005-06-07 Matsushita Electric Industrial Co., Ltd. Cold-cathode driver and liquid crystal display
KR100806901B1 (ko) * 2001-09-03 2008-02-22 삼성전자주식회사 광시야각 모드용 액정 표시 장치와 이의 구동 방법
US7034800B2 (en) * 2001-11-14 2006-04-25 Matsushita Electric Industrial Co., Ltd. Driving circuit and driving method for piezoelectric transformer, backlight apparatus, liquid crystal display apparatus, liquid crystal monitor, and liquid crystal TV
AU2003285746A1 (en) * 2002-08-06 2004-03-03 Sharp Kabushiki Kaisha Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device
KR100940563B1 (ko) 2002-12-06 2010-02-03 삼성전자주식회사 액정 표시 장치용 백라이트 어셈블리
US7423362B2 (en) * 2003-05-29 2008-09-09 Tamura Corporation Piezoelectric transformer drive method and drive circuit
JP4561237B2 (ja) * 2004-08-23 2010-10-13 ミツミ電機株式会社 駆動状態検出回路
KR20070110037A (ko) * 2005-01-25 2007-11-15 마츠시타 덴끼 산교 가부시키가이샤 백라이트 제어 장치 및 표시 장치
JP2006252445A (ja) * 2005-03-14 2006-09-21 Fujitsu Ltd データ記憶装置及びデータ記憶装置のライト処理方法。
JP4318659B2 (ja) * 2005-03-28 2009-08-26 Ｔｄｋ株式会社 放電灯駆動装置
US7649730B2 (en) * 2007-03-20 2010-01-19 Avx Corporation Wet electrolytic capacitor containing a plurality of thin powder-formed anodes
US7554792B2 (en) * 2007-03-20 2009-06-30 Avx Corporation Cathode coating for a wet electrolytic capacitor
US7460356B2 (en) * 2007-03-20 2008-12-02 Avx Corporation Neutral electrolyte for a wet electrolytic capacitor
JP5559457B2 (ja) * 2007-08-01 2014-07-23 三星電子株式会社 圧電トランス方式高圧電源装置及び画像形成装置
CN101674048B (zh) * 2009-08-04 2014-03-05 上海贝岭股份有限公司 一种正交正弦信号转换电路
CN101969272B (zh) * 2010-09-21 2013-04-17 电子科技大学 一种光伏逆变器并网电流控制装置
JP5690664B2 (ja) * 2011-06-17 2015-03-25 株式会社沖データ 電源装置及び画像形成装置
US9154045B2 (en) * 2011-10-07 2015-10-06 Raytheon Company Distributed power conditioning with DC-DC converters implemented in heterogeneous integrated circuit
CN102887345B (zh) * 2012-11-01 2014-08-27 大连理工大学 基于观测法的压电振动送料器无传感器调速控制器及方法
WO2014145587A1 (en) * 2013-03-15 2014-09-18 Bradley William M Frequency tracking piezoelectric transformer power converter with simultaneous two-parameter control
KR20150070791A (ko) * 2013-12-17 2015-06-25 삼성전기주식회사 정현파 생성 장치 및 방법, 그를 이용한 피에조 엑츄에이터 구동 시스템
KR20150071267A (ko) 2013-12-18 2015-06-26 삼성전기주식회사 정현파 생성 장치 및 방법, 그를 이용한 피에조 액츄에이터 구동 시스템
US9977858B2 (en) 2014-07-03 2018-05-22 The Boeing Company Electromagnetic interference filters for power converter applications
JP6332080B2 (ja) * 2015-02-27 2018-05-30 株式会社オートネットワーク技術研究所 信号発生回路、電圧変換装置及び信号発生方法
CN110011659B (zh) * 2019-04-15 2021-01-15 上海安路信息科技有限公司 分频器及其芯片

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JP2903781B2 (ja) * 1991-07-01 1999-06-14 日本電気株式会社 超音波振動子の駆動回路
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Also Published As

Publication number Publication date
EP1050954A4 (de) 2001-08-16
WO2000024115A1 (fr) 2000-04-27
US6407480B1 (en) 2002-06-18
CN1287707A (zh) 2001-03-14
EP1050954B1 (de) 2004-12-15
CN1171376C (zh) 2004-10-13
DE69922634T2 (de) 2005-12-15
KR100382951B1 (ko) 2003-05-09
EP1575155A1 (de) 2005-09-14
CN1571261A (zh) 2005-01-26
KR20010033383A (ko) 2001-04-25
EP1050954A1 (de) 2000-11-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: JUNG, SCHIRDEWAHN, GRUENBERG, SCHNEIDER PATENTANWAELTE

8328 Change in the person/name/address of the agent

Representative=s name: ADVOTEC. PATENT- UND RECHTSANWAELTE, 80538 MUENCHE

8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP