CN100488045C - 高频器件和通信设备 - Google Patents
高频器件和通信设备 Download PDFInfo
- Publication number
- CN100488045C CN100488045C CNB031104916A CN03110491A CN100488045C CN 100488045 C CN100488045 C CN 100488045C CN B031104916 A CNB031104916 A CN B031104916A CN 03110491 A CN03110491 A CN 03110491A CN 100488045 C CN100488045 C CN 100488045C
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- Prior art keywords
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- 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
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Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
- H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
- H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
- H03H9/0042—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0547—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement
- H03H9/0557—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement the other elements being buried in the substrate
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14597—Matching SAW transducers to external electrical circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/0085—Multilayer, e.g. LTCC, HTCC, green sheets
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002112564 | 2002-04-15 | ||
JP2002112564 | 2002-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1452431A CN1452431A (zh) | 2003-10-29 |
CN100488045C true CN100488045C (zh) | 2009-05-13 |
Family
ID=29243322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031104916A Expired - Lifetime CN100488045C (zh) | 2002-04-15 | 2003-04-15 | 高频器件和通信设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6882250B2 (zh) |
EP (1) | EP1372263A3 (zh) |
KR (1) | KR20030082420A (zh) |
CN (1) | CN100488045C (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060484A (ja) * | 2001-08-14 | 2003-02-28 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2005151287A (ja) * | 2003-11-18 | 2005-06-09 | Tdk Corp | 電子部品 |
DE102004031397A1 (de) * | 2004-06-29 | 2006-01-26 | Epcos Ag | Duplexer |
DE102004032930A1 (de) * | 2004-07-07 | 2006-02-02 | Epcos Ag | Beidseitig symmetrisch betreibbares Filter mit Volumenwellenresonatoren |
US7446629B2 (en) * | 2004-08-04 | 2008-11-04 | Matsushita Electric Industrial Co., Ltd. | Antenna duplexer, and RF module and communication apparatus using the same |
WO2006137248A1 (ja) * | 2005-06-21 | 2006-12-28 | Murata Manufacturing Co., Ltd. | Saw分波器 |
TW200713681A (en) * | 2005-09-26 | 2007-04-01 | Murata Manufacturing Co | High-frequency front end module, and duplexer |
JP4441886B2 (ja) * | 2006-03-31 | 2010-03-31 | Tdk株式会社 | 高周波モジュール |
CN103339856B (zh) * | 2011-02-09 | 2016-03-02 | 株式会社村田制作所 | 高频模块 |
JP6635113B2 (ja) * | 2015-05-08 | 2020-01-22 | 株式会社村田製作所 | 高周波モジュール |
JP6442775B2 (ja) * | 2016-05-12 | 2018-12-26 | 本田技研工業株式会社 | 乗員保護装置 |
CN113839646B (zh) * | 2021-09-29 | 2024-04-09 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03220911A (ja) * | 1990-01-26 | 1991-09-30 | Fujitsu Ltd | 弾性表面波フィルタ |
EP0584761B2 (en) * | 1992-08-24 | 2005-08-31 | NRS Technologies Inc. | Surface acoustic wave resonator filter |
JP3254779B2 (ja) * | 1993-01-05 | 2002-02-12 | 株式会社村田製作所 | 多電極形弾性表面波装置 |
JPH07106907A (ja) * | 1993-10-04 | 1995-04-21 | Alps Electric Co Ltd | 高周波帯域増幅器 |
NO301202B1 (no) * | 1995-06-28 | 1997-09-22 | Ame Space As | Tilpasningskrets |
JP3186604B2 (ja) * | 1996-10-09 | 2001-07-11 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
CA2199238C (en) * | 1997-03-05 | 2002-07-02 | Ji-Dong Dai | Surface wave device with capacitance |
US6255915B1 (en) * | 1999-05-10 | 2001-07-03 | Research In Motion Limited | Differential surface acoustic wave filter having balanced outputs |
JP3607833B2 (ja) * | 1999-05-28 | 2005-01-05 | 沖電気工業株式会社 | 差動弾性表面波フィルタ |
US6720842B2 (en) * | 2000-02-14 | 2004-04-13 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device having first through third surface acoustic wave filter elements |
JP3478264B2 (ja) * | 2000-03-10 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波装置 |
JP3435640B2 (ja) * | 2000-05-22 | 2003-08-11 | 株式会社村田製作所 | 縦結合共振子型弾性表面波フィルタ |
JP3729081B2 (ja) * | 2000-06-27 | 2005-12-21 | 株式会社村田製作所 | 弾性表面波装置 |
JP2002176333A (ja) * | 2000-12-07 | 2002-06-21 | Fujitsu Media Device Kk | 弾性表面波フィルタ |
JP3480445B2 (ja) * | 2001-01-10 | 2003-12-22 | 株式会社村田製作所 | 弾性表面波装置 |
JP2002353775A (ja) * | 2001-03-23 | 2002-12-06 | Sanyo Electric Co Ltd | フィルタユニット及び該フィルタユニットを用いたデュプレクサ |
JP3973915B2 (ja) * | 2001-03-30 | 2007-09-12 | 株式会社日立メディアエレクトロニクス | 高周波フィルタ、高周波回路、アンテナ共用器及び無線端末 |
-
2003
- 2003-04-15 KR KR10-2003-0023542A patent/KR20030082420A/ko not_active Application Discontinuation
- 2003-04-15 US US10/413,651 patent/US6882250B2/en not_active Expired - Lifetime
- 2003-04-15 EP EP03008098A patent/EP1372263A3/en not_active Withdrawn
- 2003-04-15 CN CNB031104916A patent/CN100488045C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20030082420A (ko) | 2003-10-22 |
CN1452431A (zh) | 2003-10-29 |
US20040012461A1 (en) | 2004-01-22 |
US6882250B2 (en) | 2005-04-19 |
EP1372263A3 (en) | 2009-09-16 |
EP1372263A2 (en) | 2003-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SKYWORKS PANASONIC FILTRATE SOLUTIONS JAPAN CO., L Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20150209 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150209 Address after: Osaka Japan Patentee after: Tiangong Panasonic Filter Solutions Japan Co.,Ltd. Address before: Japan's Osaka kamato City Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Osaka Japan Patentee after: SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO.,LTD. Address before: Osaka Japan Patentee before: Tiangong Panasonic Filter Solutions Japan Co.,Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20090513 |
|
CX01 | Expiry of patent term |