DE3140719C2 - - Google Patents
Info
- Publication number
- DE3140719C2 DE3140719C2 DE3140719A DE3140719A DE3140719C2 DE 3140719 C2 DE3140719 C2 DE 3140719C2 DE 3140719 A DE3140719 A DE 3140719A DE 3140719 A DE3140719 A DE 3140719A DE 3140719 C2 DE3140719 C2 DE 3140719C2
- Authority
- DE
- Germany
- Prior art keywords
- resonator
- resonators
- piezoelectric filter
- plates
- filter according
- 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
Links
- 238000009413 insulation Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- VJPLIHZPOJDHLB-UHFFFAOYSA-N lead titanium Chemical compound [Ti].[Pb] VJPLIHZPOJDHLB-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- JPJZHBHNQJPGSG-UHFFFAOYSA-N titanium;zirconium;tetrahydrate Chemical compound O.O.O.O.[Ti].[Zr] JPJZHBHNQJPGSG-UHFFFAOYSA-N 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
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
- H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals
-
- 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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
- H03H9/605—Electric coupling means therefor consisting of a ladder configuration
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980150778U JPS639141Y2 (US20070244113A1-20071018-C00087.png) | 1980-10-22 | 1980-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3140719A1 DE3140719A1 (de) | 1982-06-24 |
| DE3140719C2 true DE3140719C2 (US20070244113A1-20071018-C00087.png) | 1987-07-02 |
Family
ID=15504214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813140719 Granted DE3140719A1 (de) | 1980-10-22 | 1981-10-14 | "piezoelektrische filter in leiterform" |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10058339A1 (de) * | 2000-11-24 | 2002-06-06 | Infineon Technologies Ag | Bulk-Acoustic-Wave-Filter |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651109A (en) * | 1984-06-12 | 1987-03-17 | Murata Manufacturing Co., Ltd. | Piezoelectric resonance component having an improved group delay time characteristic |
| JPS61124119U (US20070244113A1-20071018-C00087.png) * | 1985-01-21 | 1986-08-05 | ||
| JPH01314008A (ja) * | 1988-06-13 | 1989-12-19 | Ngk Spark Plug Co Ltd | 梯子型圧電フィルタ |
| US5260675A (en) * | 1991-04-12 | 1993-11-09 | Ngk Spark Plug Co., Ltd. | Ladder-type electric filter device |
| JPH0588029U (ja) * | 1992-04-24 | 1993-11-26 | 日本特殊陶業株式会社 | 梯子型電気濾波器 |
| US5400001A (en) * | 1992-09-21 | 1995-03-21 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric resonator and piezoelectric filter |
| JP2803517B2 (ja) * | 1993-02-26 | 1998-09-24 | 株式会社村田製作所 | 電子部品の組立方法および組立装置 |
| US5616981A (en) * | 1993-08-20 | 1997-04-01 | Murata Manufacturing Co., Ltd. | Terminal for a piezoelectric device |
| JPH0818382A (ja) * | 1994-06-27 | 1996-01-19 | Murata Mfg Co Ltd | 圧電部品 |
| JP3218971B2 (ja) * | 1996-04-01 | 2001-10-15 | 株式会社村田製作所 | ラダー形フィルタ |
| EP0800268B1 (en) * | 1996-04-05 | 2003-10-08 | Murata Manufacturing Co., Ltd. | Piezoelectric resonator |
| JP3271517B2 (ja) * | 1996-04-05 | 2002-04-02 | 株式会社村田製作所 | 圧電共振子およびそれを用いた電子部品 |
| US5939819A (en) * | 1996-04-18 | 1999-08-17 | Murata Manufacturing Co., Ltd. | Electronic component and ladder filter |
| JPH1079639A (ja) * | 1996-07-10 | 1998-03-24 | Murata Mfg Co Ltd | 圧電共振子およびそれを用いた電子部品 |
| US5939957A (en) * | 1996-07-26 | 1999-08-17 | Ngk Spark Plug Co., Ltd. | 6-elements ladder type piezoelectric filter |
| JP3271541B2 (ja) * | 1996-07-26 | 2002-04-02 | 株式会社村田製作所 | 圧電共振子およびそれを用いた電子部品 |
| JP3577170B2 (ja) * | 1996-08-05 | 2004-10-13 | 株式会社村田製作所 | 圧電共振子とその製造方法およびそれを用いた電子部品 |
| JPH10126202A (ja) * | 1996-10-23 | 1998-05-15 | Murata Mfg Co Ltd | 圧電共振子およびそれを用いた電子部品 |
| JP3147793B2 (ja) * | 1996-11-22 | 2001-03-19 | 株式会社村田製作所 | ラダー型フィルタ |
| JP3262007B2 (ja) * | 1997-01-10 | 2002-03-04 | 株式会社村田製作所 | エネルギー閉じ込め型厚みすべり共振子およびこの共振子を用いた電子部品 |
| JP2001016059A (ja) * | 1999-04-26 | 2001-01-19 | Murata Mfg Co Ltd | 圧電共振子の群遅延特性の調整方法 |
| US6501346B1 (en) | 1999-09-09 | 2002-12-31 | Communications Systems International, Inc. | Ceramic filter for use with a beacon receiver |
| GB0012437D0 (en) * | 2000-05-24 | 2000-07-12 | Univ Cranfield | Improvements to filters |
| US7948769B2 (en) | 2007-09-27 | 2011-05-24 | Hemisphere Gps Llc | Tightly-coupled PCB GNSS circuit and manufacturing method |
| US7885745B2 (en) | 2002-12-11 | 2011-02-08 | Hemisphere Gps Llc | GNSS control system and method |
| US8271194B2 (en) | 2004-03-19 | 2012-09-18 | Hemisphere Gps Llc | Method and system using GNSS phase measurements for relative positioning |
| US8140223B2 (en) | 2003-03-20 | 2012-03-20 | Hemisphere Gps Llc | Multiple-antenna GNSS control system and method |
| US8686900B2 (en) * | 2003-03-20 | 2014-04-01 | Hemisphere GNSS, Inc. | Multi-antenna GNSS positioning method and system |
| US8138970B2 (en) | 2003-03-20 | 2012-03-20 | Hemisphere Gps Llc | GNSS-based tracking of fixed or slow-moving structures |
| US8265826B2 (en) | 2003-03-20 | 2012-09-11 | Hemisphere GPS, LLC | Combined GNSS gyroscope control system and method |
| US9002565B2 (en) | 2003-03-20 | 2015-04-07 | Agjunction Llc | GNSS and optical guidance and machine control |
| US8594879B2 (en) | 2003-03-20 | 2013-11-26 | Agjunction Llc | GNSS guidance and machine control |
| US8634993B2 (en) | 2003-03-20 | 2014-01-21 | Agjunction Llc | GNSS based control for dispensing material from vehicle |
| US8214111B2 (en) | 2005-07-19 | 2012-07-03 | Hemisphere Gps Llc | Adaptive machine control system and method |
| US8190337B2 (en) | 2003-03-20 | 2012-05-29 | Hemisphere GPS, LLC | Satellite based vehicle guidance control in straight and contour modes |
| US8583315B2 (en) | 2004-03-19 | 2013-11-12 | Agjunction Llc | Multi-antenna GNSS control system and method |
| US7835832B2 (en) | 2007-01-05 | 2010-11-16 | Hemisphere Gps Llc | Vehicle control system |
| USRE48527E1 (en) | 2007-01-05 | 2021-04-20 | Agjunction Llc | Optical tracking vehicle control system and method |
| US8311696B2 (en) | 2009-07-17 | 2012-11-13 | Hemisphere Gps Llc | Optical tracking vehicle control system and method |
| US8000381B2 (en) | 2007-02-27 | 2011-08-16 | Hemisphere Gps Llc | Unbiased code phase discriminator |
| US7808428B2 (en) | 2007-10-08 | 2010-10-05 | Hemisphere Gps Llc | GNSS receiver and external storage device system and GNSS data processing method |
| WO2009100463A1 (en) | 2008-02-10 | 2009-08-13 | Hemisphere Gps Llc | Visual, gnss and gyro autosteering control |
| WO2009126587A1 (en) | 2008-04-08 | 2009-10-15 | Hemisphere Gps Llc | Gnss-based mobile communication system and method |
| US8217833B2 (en) | 2008-12-11 | 2012-07-10 | Hemisphere Gps Llc | GNSS superband ASIC with simultaneous multi-frequency down conversion |
| US8386129B2 (en) | 2009-01-17 | 2013-02-26 | Hemipshere GPS, LLC | Raster-based contour swathing for guidance and variable-rate chemical application |
| US8085196B2 (en) | 2009-03-11 | 2011-12-27 | Hemisphere Gps Llc | Removing biases in dual frequency GNSS receivers using SBAS |
| US8401704B2 (en) | 2009-07-22 | 2013-03-19 | Hemisphere GPS, LLC | GNSS control system and method for irrigation and related applications |
| US8174437B2 (en) | 2009-07-29 | 2012-05-08 | Hemisphere Gps Llc | System and method for augmenting DGNSS with internally-generated differential correction |
| US8334804B2 (en) | 2009-09-04 | 2012-12-18 | Hemisphere Gps Llc | Multi-frequency GNSS receiver baseband DSP |
| US8649930B2 (en) | 2009-09-17 | 2014-02-11 | Agjunction Llc | GNSS integrated multi-sensor control system and method |
| US8548649B2 (en) | 2009-10-19 | 2013-10-01 | Agjunction Llc | GNSS optimized aircraft control system and method |
| US8583326B2 (en) | 2010-02-09 | 2013-11-12 | Agjunction Llc | GNSS contour guidance path selection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2927285A (en) * | 1959-04-28 | 1960-03-01 | Daniel R Curran | Housing for ceramic ladder filter |
| JPS5263048A (en) * | 1975-11-19 | 1977-05-25 | Toshiba Corp | Piezo-electric filter |
| JPS5377439A (en) * | 1976-12-21 | 1978-07-08 | Nec Corp | Piezo-filter |
| JPS5595416A (en) * | 1979-01-11 | 1980-07-19 | Noto Denshi Kogyo Kk | Ladder type piezoelectric filter |
| JPS5657524U (US20070244113A1-20071018-C00087.png) * | 1979-10-09 | 1981-05-18 | ||
| JPS5672513A (en) * | 1979-11-20 | 1981-06-16 | Toshiba Corp | Piezoelectric filter |
-
1980
- 1980-10-22 JP JP1980150778U patent/JPS639141Y2/ja not_active Expired
-
1981
- 1981-10-13 US US06/311,292 patent/US4398162A/en not_active Expired - Lifetime
- 1981-10-14 DE DE19813140719 patent/DE3140719A1/de active Granted
- 1981-10-14 NL NLAANVRAGE8104665,A patent/NL187187C/xx not_active IP Right Cessation
- 1981-10-16 GB GB8131348A patent/GB2087184B/en not_active Expired
- 1981-10-19 FR FR8119581A patent/FR2492610A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10058339A1 (de) * | 2000-11-24 | 2002-06-06 | Infineon Technologies Ag | Bulk-Acoustic-Wave-Filter |
| US6909340B2 (en) | 2000-11-24 | 2005-06-21 | Infineon Technologies Ag | Bulk acoustic wave filter utilizing resonators with different aspect ratios |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3140719A1 (de) | 1982-06-24 |
| JPS5774530U (US20070244113A1-20071018-C00087.png) | 1982-05-08 |
| GB2087184A (en) | 1982-05-19 |
| NL8104665A (nl) | 1982-05-17 |
| NL187187B (nl) | 1991-01-16 |
| NL187187C (nl) | 1991-06-17 |
| FR2492610A1 (fr) | 1982-04-23 |
| FR2492610B1 (US20070244113A1-20071018-C00087.png) | 1984-11-30 |
| JPS639141Y2 (US20070244113A1-20071018-C00087.png) | 1988-03-18 |
| GB2087184B (en) | 1984-08-15 |
| US4398162A (en) | 1983-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: FISCHER, W., DIPL.-ING., PAT.-ANW., 6700 LUDWIGSHA |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |