TWI264036B - A piezoelectric transformer and a voltage increasing circuit and a device having a cold-cathode tube equipped with the piezoelectric transformer - Google Patents

A piezoelectric transformer and a voltage increasing circuit and a device having a cold-cathode tube equipped with the piezoelectric transformer

Info

Publication number
TWI264036B
TWI264036B TW091122402A TW91122402A TWI264036B TW I264036 B TWI264036 B TW I264036B TW 091122402 A TW091122402 A TW 091122402A TW 91122402 A TW91122402 A TW 91122402A TW I264036 B TWI264036 B TW I264036B
Authority
TW
Taiwan
Prior art keywords
piezoelectric transformer
cold
cathode tube
tube equipped
voltage increasing
Prior art date
Application number
TW091122402A
Other languages
English (en)
Inventor
Katsu Takeda
Hiroshi Nakatsuka
Takeki Yamaguchi
Kojiro Okuyama
Katsunori Moritoki
Original Assignee
Matsushita Electric Ind 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of TWI264036B publication Critical patent/TWI264036B/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
    • H05B41/26—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW091122402A 2001-09-28 2002-09-27 A piezoelectric transformer and a voltage increasing circuit and a device having a cold-cathode tube equipped with the piezoelectric transformer TWI264036B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001301093 2001-09-28

Publications (1)

Publication Number Publication Date
TWI264036B true TWI264036B (en) 2006-10-11

Family

ID=19121560

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091122402A TWI264036B (en) 2001-09-28 2002-09-27 A piezoelectric transformer and a voltage increasing circuit and a device having a cold-cathode tube equipped with the piezoelectric transformer

Country Status (4)

Country Link
US (2) US6812623B2 (zh)
KR (1) KR100550058B1 (zh)
CN (1) CN1229879C (zh)
TW (1) TWI264036B (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003303172A1 (en) * 2002-12-20 2004-07-14 Koninklijke Philips Electronics N.V. Apparatus for igniting a high pressure gas discharge lamp
JP2004335443A (ja) * 2003-02-10 2004-11-25 Masakazu Ushijima 多灯点灯の放電管用インバータ回路及び面光源システム
US7589478B2 (en) * 2003-02-10 2009-09-15 Masakazu Ushijima Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system
US20060291216A1 (en) * 2005-06-14 2006-12-28 Blumel Daniel M Apparatus for reducing in size an igniter circuit and assembly
US7615941B2 (en) * 2005-08-17 2009-11-10 Blumel Daniel M Apparatus and method for maximizing the longevity of arc tube bulbs during pulsing operation
US7443597B2 (en) * 2005-12-27 2008-10-28 Tessera, Inc. Liquid lens with piezoelectric voltage converter
CN102094796B (zh) * 2006-07-11 2013-02-13 株式会社村田制作所 压电泵
JP5113840B2 (ja) * 2007-07-27 2013-01-09 京セラ株式会社 圧電トランス
US9857872B2 (en) * 2007-12-31 2018-01-02 Apple Inc. Multi-touch display screen with localized tactile feedback
US7554319B1 (en) * 2008-02-28 2009-06-30 Youling Li Circuits and methods for voltage sensing
JP2010079949A (ja) * 2008-09-24 2010-04-08 Fujitsu Ltd 圧電アクチュエータ、ヘッドスライダ、磁気ディスク装置
US8008836B2 (en) * 2008-12-23 2011-08-30 Newlighting Electronics Co. Ltd. Piezoelectric phase shifter
JP5787037B2 (ja) * 2012-11-13 2015-09-30 株式会社村田製作所 圧電トランス
CN103199733B (zh) * 2013-03-22 2015-06-10 北京大学 压电驱动器及其制造方法
DE102013112316A1 (de) * 2013-11-08 2015-05-13 Epcos Ag Piezoelektrischer Transformator und Gegenelektrode
KR102130671B1 (ko) * 2015-06-16 2020-07-06 삼성전기주식회사 가변 인덕터 및 가변 인덕터 모듈
DE102015117106A1 (de) * 2015-10-07 2017-04-13 Epcos Ag Piezoelektrischer Transformator
US20210367135A1 (en) * 2017-04-17 2021-11-25 Rda Microelectronics (Shanghai) Co., Ltd. Mems piezoelectric transducer having optimized capacitor shape

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2508575B2 (ja) * 1993-01-28 1996-06-19 日本電気株式会社 圧電磁器トランスとその駆動方法
US5504384A (en) * 1993-06-23 1996-04-02 Industrial Technology Research Institute Multi-mode adjustable piezoelectric transformer
JP3020769B2 (ja) * 1993-06-29 2000-03-15 インダストリアル・テクノロジー・リサーチ・インスティテュート マルチモード設定可能圧電変換素子
JPH0846264A (ja) * 1994-08-01 1996-02-16 Tokin Corp 圧電トランス
JP2850216B2 (ja) 1994-12-30 1999-01-27 三井化学株式会社 圧電トランス
EP0720246B1 (en) 1994-12-30 2000-05-10 Mitsui Chemicals, Inc. Piezoelectric transformer
US5929554A (en) 1994-12-30 1999-07-27 Mitsui Chemicals, Inc. Piezoelectric transformer
JP3119154B2 (ja) 1995-07-06 2000-12-18 日立金属株式会社 圧電トランス及びそれを用いた電力変換装置
DE69700685T2 (de) * 1996-01-30 2000-03-09 Tokin Corp Piezoelektrischer transformator
TW420883B (en) * 1996-02-08 2001-02-01 Tokin Corp A piezoelectric transformer
JP3090023B2 (ja) * 1996-02-14 2000-09-18 株式会社村田製作所 積層型圧電トランス
JPH1023753A (ja) * 1996-06-29 1998-01-23 Mitsui Petrochem Ind Ltd 高圧発生回路
JPH10200174A (ja) * 1997-01-14 1998-07-31 Tamura Seisakusho Co Ltd ３次ローゼン型圧電トランスとその駆動回路
JPH10270767A (ja) * 1997-03-27 1998-10-09 Alps Electric Co Ltd 圧電トランス
KR100349126B1 (ko) * 2000-05-04 2002-08-17 삼성전기주식회사 형광등용 압전트랜스포머

Also Published As

Publication number Publication date
US6812623B2 (en) 2004-11-02
US6989626B2 (en) 2006-01-24
CN1229879C (zh) 2005-11-30
US20030137222A1 (en) 2003-07-24
US20040256960A1 (en) 2004-12-23
KR100550058B1 (ko) 2006-02-08
CN1411079A (zh) 2003-04-16
KR20030028400A (ko) 2003-04-08

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees