DE69716360T2 - Piezoelektrischer transformator - Google Patents

Piezoelektrischer transformator

Info

Publication number
DE69716360T2
DE69716360T2 DE69716360T DE69716360T DE69716360T2 DE 69716360 T2 DE69716360 T2 DE 69716360T2 DE 69716360 T DE69716360 T DE 69716360T DE 69716360 T DE69716360 T DE 69716360T DE 69716360 T2 DE69716360 T2 DE 69716360T2
Authority
DE
Germany
Prior art keywords
piezoelectric transformer
piezoelectric
transformer
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 - Fee Related
Application number
DE69716360T
Other languages
English (en)
Other versions
DE69716360D1 (de
Inventor
Masafumi Katsuno
Yoshiaki Fuda
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.)
Tokin Corp
Original Assignee
NEC Tokin 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
Application filed by NEC Tokin Corp filed Critical NEC Tokin Corp
Publication of DE69716360D1 publication Critical patent/DE69716360D1/de
Application granted granted Critical
Publication of DE69716360T2 publication Critical patent/DE69716360T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
DE69716360T 1996-02-08 1997-02-10 Piezoelektrischer transformator Expired - Fee Related DE69716360T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2230296 1996-02-08
JP3926896 1996-02-27
JP26835196 1996-10-09
JP31209896 1996-11-22
PCT/JP1997/000335 WO1997029521A1 (fr) 1996-02-08 1997-02-10 Transformateur piezo-electrique

Publications (2)

Publication Number Publication Date
DE69716360D1 DE69716360D1 (de) 2002-11-21
DE69716360T2 true DE69716360T2 (de) 2003-06-12

Family

ID=27457739

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69716360T Expired - Fee Related DE69716360T2 (de) 1996-02-08 1997-02-10 Piezoelektrischer transformator

Country Status (8)

Country Link
US (1) US6051915A (de)
EP (1) EP0821419B1 (de)
JP (1) JP3978472B2 (de)
KR (1) KR100436637B1 (de)
CN (1) CN1160805C (de)
DE (1) DE69716360T2 (de)
TW (1) TW420883B (de)
WO (1) WO1997029521A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW387157B (en) * 1996-01-30 2000-04-11 Tokin Corp Piezoelectric transformer
KR100305573B1 (ko) * 1998-12-15 2001-11-22 이형도 출력임피던스가변형압전트랜스
US6215227B1 (en) * 1999-11-16 2001-04-10 Face International Corp. Thickness mode piezoelectric transformer with end-masses
US6426585B1 (en) * 1999-12-08 2002-07-30 Kazuo Kohno Thickness or length polarized piezoelectric transformer
JP2002064977A (ja) * 2000-08-21 2002-02-28 Matsushita Electric Ind Co Ltd 圧電トランスの駆動方法及び電源装置
US6476542B2 (en) 2000-12-20 2002-11-05 Cts Corporation Piezoelectric transformer with dual-phase input drive
US6586863B2 (en) * 2001-06-28 2003-07-01 Samsung Electro-Mechanics Co., Ltd. Rosen type piezoelectric transformer with multiple output electrodes
US6812623B2 (en) 2001-09-28 2004-11-02 Matsushita Electric Industrial Co., Ltd. Piezoelectric transformer
JP4055943B2 (ja) * 2001-10-25 2008-03-05 太平洋セメント株式会社 圧電トランス及びその圧電トランスを有するストロボ装置
US20050026982A1 (en) * 2003-06-10 2005-02-03 Soenke Johannsen Composition that consists of alkanedicarboxylic acids and a pharmaceutical active ingredient
AU2003296024A1 (en) * 2003-06-25 2005-01-04 Intellikraft Limited Piezoelectric transformer
JP4705472B2 (ja) * 2003-09-30 2011-06-22 太平洋セメント株式会社 圧電トランス
TWI312161B (en) * 2006-01-05 2009-07-11 Nat Taiwan Universit Multiple output piezoelectric transformer and inverter
JP5288530B2 (ja) * 2007-03-30 2013-09-11 富士フイルム株式会社 圧電素子製造方法及び液体吐出ヘッド製造方法
US7932663B2 (en) * 2007-04-11 2011-04-26 Inova Inc. Piezoelectric transformer with pinwheel type electrode
US9461614B2 (en) * 2013-10-30 2016-10-04 Qualcomm Incorporated Asymmetric unbalanced acoustically coupled resonators for spurious mode suppression
US20150287903A1 (en) * 2014-04-07 2015-10-08 Samsung Electro-Mechanics Co., Ltd. Piezoelectric transformer
DE102015117106A1 (de) 2015-10-07 2017-04-13 Epcos Ag Piezoelektrischer Transformator
DE102016102488A1 (de) 2016-02-12 2017-08-17 Epcos Ag Verfahren zur Herstellung eines piezoelektrischen Transformators und piezoelektrischer Transformator

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL161952C (nl) * 1967-07-25 1980-03-17 Matsushita Electric Ind Co Ltd Hoogspanningsgenerator voor een televisieontvanger, alsmede televisieontvanger, daarvan voorzien.
US3549913A (en) * 1967-10-31 1970-12-22 Matsushita Electric Ind Co Ltd Piezo-electric transformer
JPS4811778U (de) * 1971-06-19 1973-02-09
US5371430A (en) * 1991-02-12 1994-12-06 Fujitsu Limited Piezoelectric transformer producing an output A.C. voltage with reduced distortion
JP3088499B2 (ja) * 1991-07-16 2000-09-18 株式会社トーキン 圧電トランス
JPH0567819A (ja) * 1991-09-10 1993-03-19 Nec Corp 圧電セラミツクトランス
JPH05170512A (ja) * 1991-12-25 1993-07-09 Toyota Motor Corp 圧電素子の製造方法
JP2730378B2 (ja) * 1992-02-14 1998-03-25 日本電気株式会社 圧電トランスおよびその駆動方法
KR970004570B1 (ko) * 1992-12-31 1997-03-29 니뽄 덴끼 가부시끼 가이샤 얇은 장방형 몸체를 구비하는 압전 변압기
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
JP2555985B2 (ja) * 1994-06-21 1996-11-20 日本電気株式会社 圧電磁器トランスとその駆動方法
FR2722918B1 (fr) * 1994-07-21 1996-08-30 Commissariat Energie Atomique Capteur a magnetoresistance multicouche autopolarisee
JP2606667B2 (ja) * 1994-07-22 1997-05-07 日本電気株式会社 圧電磁器トランス及びその駆動方法
JP2658904B2 (ja) * 1994-10-05 1997-09-30 日本電気株式会社 圧電トランス
CA2166378C (en) * 1994-12-30 1999-11-09 Kouichi Kanayama Piezoelectric transformer
US5811913A (en) * 1995-06-22 1998-09-22 Nec Corporation Piezoelectric transformer having four-terminal structure
JPH09172211A (ja) * 1995-12-20 1997-06-30 Nec Corp 圧電磁器トランス
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
US5763983A (en) * 1997-01-12 1998-06-09 Motorola Inc. Single crystal piezoelectric transformer using extensional vibration modes and method for driving the same
US5872419A (en) * 1997-09-04 1999-02-16 Motorola Inc. Piezoelectric transformer with voltage feedback

Also Published As

Publication number Publication date
DE69716360D1 (de) 2002-11-21
CN1178604A (zh) 1998-04-08
JP3978472B2 (ja) 2007-09-19
WO1997029521A1 (fr) 1997-08-14
EP0821419A1 (de) 1998-01-28
EP0821419B1 (de) 2002-10-16
EP0821419A4 (de) 1999-02-17
TW420883B (en) 2001-02-01
KR100436637B1 (ko) 2004-07-16
CN1160805C (zh) 2004-08-04
US6051915A (en) 2000-04-18
KR19980703394A (ko) 1998-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee