WO2010094707A1 - Saw filter - Google Patents
Saw filter Download PDFInfo
- Publication number
- WO2010094707A1 WO2010094707A1 PCT/EP2010/051989 EP2010051989W WO2010094707A1 WO 2010094707 A1 WO2010094707 A1 WO 2010094707A1 EP 2010051989 W EP2010051989 W EP 2010051989W WO 2010094707 A1 WO2010094707 A1 WO 2010094707A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- sub
- dms
- track
- filter according
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 101000927335 Pithecopus azureus Dermaseptin-H4 Proteins 0.000 description 3
- 101000927330 Pithecopus azureus Dermaseptin-H6 Proteins 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 101000968091 Pithecopus azureus Dermaseptin-H2 Proteins 0.000 description 1
- 101000927339 Pithecopus azureus Dermaseptin-H3 Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
- H03H9/6476—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the tracks being electrically parallel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0418—Sharing hardware components like housing, antenna, receiver or signal transmission line with other vehicle systems like keyless entry or brake control units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02551—Characteristics of substrate, e.g. cutting angles of quartz substrates
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
- H03H9/644—Coupled resonator filters having two acoustic tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00261—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having more than one function
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080008953.2A CN102326330B (zh) | 2009-02-19 | 2010-02-17 | Saw滤波器 |
JP2011550549A JP5427898B2 (ja) | 2009-02-19 | 2010-02-17 | Sawフィルタ |
US13/201,425 US8823469B2 (en) | 2009-02-19 | 2010-02-17 | Saw filter and a receiver for remote keyless entry and tire pressure monitoring systems using same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009009484.9A DE102009009484B4 (de) | 2009-02-19 | 2009-02-19 | Zweikanal-SAW Filter |
DE102009009484.9 | 2009-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010094707A1 true WO2010094707A1 (de) | 2010-08-26 |
Family
ID=42126504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/051989 WO2010094707A1 (de) | 2009-02-19 | 2010-02-17 | Saw filter |
Country Status (5)
Country | Link |
---|---|
US (1) | US8823469B2 (de) |
JP (1) | JP5427898B2 (de) |
CN (1) | CN102326330B (de) |
DE (1) | DE102009009484B4 (de) |
WO (1) | WO2010094707A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2015002047A1 (ja) * | 2013-07-02 | 2017-02-23 | 株式会社村田製作所 | 弾性表面波共振器及び弾性表面波フィルタ装置 |
US9680447B2 (en) * | 2014-09-26 | 2017-06-13 | Wisol Co., Ltd. | Saw filter having ground terminals separated |
DE102014118000A1 (de) * | 2014-12-05 | 2016-06-09 | Epcos Ag | Anordnung mit einem DMS Filter und steiler rechter Flanke |
CN104639092A (zh) * | 2014-12-13 | 2015-05-20 | 中国电子科技集团公司第二十六研究所 | 高带外抑制高频表面贴装声表面横波谐振滤波器 |
US9837983B2 (en) * | 2015-03-13 | 2017-12-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic filter device with combined passband |
US10707905B2 (en) * | 2015-06-23 | 2020-07-07 | Skyworks Solutions, Inc. | Wideband multiplexer for radio-frequency applications |
DE102016106185A1 (de) * | 2016-04-05 | 2017-10-05 | Snaptrack, Inc. | Breitbandiges SAW-Filter |
TWI680643B (zh) * | 2018-12-19 | 2019-12-21 | 系統電子工業股份有限公司 | 胎壓感測器之射頻匹配裝置 |
CN112134541A (zh) * | 2020-09-24 | 2020-12-25 | 成都频岢微电子有限公司 | 一种新型宽带声表滤波器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08204502A (ja) * | 1995-01-20 | 1996-08-09 | Toyo Commun Equip Co Ltd | 縦型複合4重モードsawフィルタ |
DE19726594A1 (de) * | 1997-06-23 | 1999-01-07 | Siemens Matsushita Components | Dualmode-Oberflächenwellenfilter |
DE19818038A1 (de) * | 1998-04-22 | 1999-11-04 | Siemens Matsushita Components | Dualmode-Oberflächenwellenfilter |
EP1480338A2 (de) * | 2003-05-19 | 2004-11-24 | Murata Manufacturing Co., Ltd. | Akustiche Oberflächenwellenvorrichtung |
DE102007010040A1 (de) * | 2007-03-01 | 2008-09-04 | Epcos Ag | Mit Oberflächenwellen arbeitendes Resonator-Filter |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2682833B1 (fr) * | 1991-10-18 | 1993-12-03 | Thomson Csf | Filtre a ondes de surface et a trajet acoustique replie. |
US5296824A (en) * | 1991-12-02 | 1994-03-22 | Motorola, Inc. | Low loss wide bandwidth parallel channel acoustic filter |
JP3001350B2 (ja) * | 1993-05-19 | 2000-01-24 | 日本電気株式会社 | 弾性表面波フィルタ |
JP2560991B2 (ja) * | 1993-08-20 | 1996-12-04 | 日本電気株式会社 | 弾性表面波フィルタ |
US5646584A (en) * | 1994-04-25 | 1997-07-08 | Advanced Saw Products Sa | Saw filter including electrodes of opposing polarity |
JPH09116381A (ja) * | 1995-10-13 | 1997-05-02 | Japan Energy Corp | 縦型2重モ−ド弾性表面波共振子フィルタ |
JP3204112B2 (ja) * | 1996-08-28 | 2001-09-04 | 株式会社村田製作所 | 弾性表面波共振子フィルタ |
JP3292054B2 (ja) * | 1996-09-11 | 2002-06-17 | 松下電器産業株式会社 | 弾性表面波フィルタ |
DE19638455A1 (de) * | 1996-09-19 | 1998-04-02 | Siemens Matsushita Components | Twin-Dualmode-Filter |
JPH10209808A (ja) * | 1997-01-23 | 1998-08-07 | Toyo Commun Equip Co Ltd | 弾性表面波フィルタ |
JP2001177370A (ja) * | 1999-10-04 | 2001-06-29 | Toshiba Corp | 弾性表面波装置 |
JP2001352228A (ja) * | 2000-06-08 | 2001-12-21 | Japan Radio Co Ltd | パイロット信号用バンドパスフィルタ |
JP3764731B2 (ja) * | 2002-10-18 | 2006-04-12 | 富士通メディアデバイス株式会社 | 多重モード弾性表面波フィルタ及び分波器 |
JP2006148372A (ja) * | 2004-11-17 | 2006-06-08 | Japan Radio Co Ltd | マルチバンド型弾性波フィルタ |
CN100534011C (zh) * | 2007-03-20 | 2009-08-26 | 中国科学院西安光学精密机械研究所 | 基于对称取样光栅结构的超窄双信道滤波器 |
-
2009
- 2009-02-19 DE DE102009009484.9A patent/DE102009009484B4/de not_active Expired - Fee Related
-
2010
- 2010-02-17 JP JP2011550549A patent/JP5427898B2/ja active Active
- 2010-02-17 US US13/201,425 patent/US8823469B2/en active Active
- 2010-02-17 WO PCT/EP2010/051989 patent/WO2010094707A1/de active Application Filing
- 2010-02-17 CN CN201080008953.2A patent/CN102326330B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08204502A (ja) * | 1995-01-20 | 1996-08-09 | Toyo Commun Equip Co Ltd | 縦型複合4重モードsawフィルタ |
DE19726594A1 (de) * | 1997-06-23 | 1999-01-07 | Siemens Matsushita Components | Dualmode-Oberflächenwellenfilter |
DE19818038A1 (de) * | 1998-04-22 | 1999-11-04 | Siemens Matsushita Components | Dualmode-Oberflächenwellenfilter |
EP1480338A2 (de) * | 2003-05-19 | 2004-11-24 | Murata Manufacturing Co., Ltd. | Akustiche Oberflächenwellenvorrichtung |
DE102007010040A1 (de) * | 2007-03-01 | 2008-09-04 | Epcos Ag | Mit Oberflächenwellen arbeitendes Resonator-Filter |
Also Published As
Publication number | Publication date |
---|---|
CN102326330B (zh) | 2015-07-22 |
JP5427898B2 (ja) | 2014-02-26 |
US20120001727A1 (en) | 2012-01-05 |
JP2012518353A (ja) | 2012-08-09 |
DE102009009484A1 (de) | 2010-09-09 |
DE102009009484B4 (de) | 2014-07-17 |
US8823469B2 (en) | 2014-09-02 |
CN102326330A (zh) | 2012-01-18 |
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