JP2524969Y2 - 梯子型電気濾波回路装置 - Google Patents
梯子型電気濾波回路装置Info
- Publication number
- JP2524969Y2 JP2524969Y2 JP1987181782U JP18178287U JP2524969Y2 JP 2524969 Y2 JP2524969 Y2 JP 2524969Y2 JP 1987181782 U JP1987181782 U JP 1987181782U JP 18178287 U JP18178287 U JP 18178287U JP 2524969 Y2 JP2524969 Y2 JP 2524969Y2
- Authority
- JP
- Japan
- Prior art keywords
- filtering circuit
- metal case
- terminal plate
- ladder
- circuit board
- 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 - Lifetime
Links
- 238000001914 filtration Methods 0.000 title claims description 32
- 239000002184 metal Substances 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 4
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 claims description 3
- 239000010956 nickel silver Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 238000005476 soldering Methods 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000981595 Zoysia japonica Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035939 shock Effects 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987181782U JP2524969Y2 (ja) | 1987-11-27 | 1987-11-27 | 梯子型電気濾波回路装置 |
US07/274,869 US4864259A (en) | 1987-11-27 | 1988-11-23 | Ladder-type electric filter circuit apparatus |
GB8827572A GB2213013B (en) | 1987-11-27 | 1988-11-25 | Ladder-type electric filter circuit apparatus |
HK803/92A HK80392A (en) | 1987-11-27 | 1992-10-22 | Ladder-type electric filter circuit apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987181782U JP2524969Y2 (ja) | 1987-11-27 | 1987-11-27 | 梯子型電気濾波回路装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0186319U JPH0186319U (US07709020-20100504-C00032.png) | 1989-06-07 |
JP2524969Y2 true JP2524969Y2 (ja) | 1997-02-05 |
Family
ID=16106788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987181782U Expired - Lifetime JP2524969Y2 (ja) | 1987-11-27 | 1987-11-27 | 梯子型電気濾波回路装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4864259A (US07709020-20100504-C00032.png) |
JP (1) | JP2524969Y2 (US07709020-20100504-C00032.png) |
GB (1) | GB2213013B (US07709020-20100504-C00032.png) |
HK (1) | HK80392A (US07709020-20100504-C00032.png) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0749863Y2 (ja) * | 1989-02-14 | 1995-11-13 | 日本特殊陶業株式会社 | 梯子型電気濾波器 |
JP2717591B2 (ja) * | 1990-03-30 | 1998-02-18 | 日本特殊陶業株式会社 | 梯子型電気濾波器 |
US5260675A (en) * | 1991-04-12 | 1993-11-09 | Ngk Spark Plug Co., Ltd. | Ladder-type electric filter device |
JPH0522073A (ja) * | 1991-07-10 | 1993-01-29 | Ngk Spark Plug Co Ltd | 梯子型電気濾波器 |
US5392012A (en) * | 1991-09-18 | 1995-02-21 | Ngk Spark Plug Co., Ltd. | Piezoelectric filter in a casing sealed by an insulating filler and having cranked connecting legs |
DE4322144C2 (de) * | 1992-07-03 | 1997-06-05 | Murata Manufacturing Co | Vibratoreinheit |
JPH0690136A (ja) * | 1992-09-07 | 1994-03-29 | Murata Mfg Co Ltd | ラダー用フィルタおよびその製造方法 |
JPH06152316A (ja) * | 1992-11-05 | 1994-05-31 | Murata Mfg Co Ltd | ラダー型フィルタ |
US5430342A (en) * | 1993-04-27 | 1995-07-04 | Watson Industries, Inc. | Single bar type vibrating element angular rate sensor system |
CN1034535C (zh) * | 1993-05-31 | 1997-04-09 | 株式会社村田制作所 | 片型压电共振动元件 |
US5621263A (en) * | 1993-08-09 | 1997-04-15 | Murata Manufacturing Co., Ltd. | Piezoelectric resonance component |
US5689220A (en) * | 1993-08-17 | 1997-11-18 | Murata Manufacturing Co., Ltd. | Laterally coupled piezoelectric resonator ladder-type filter with at least one width expansion mode resonator |
US5648746A (en) * | 1993-08-17 | 1997-07-15 | Murata Manufacturing Co., Ltd. | Stacked diezoelectric resonator ladder-type filter with at least one width expansion mode resonator |
US5572173A (en) * | 1994-02-15 | 1996-11-05 | Ngk Spark Plug Co., Ltd. | Ladder type filter with adjustable resonator positioning member |
JPH07240660A (ja) * | 1994-02-25 | 1995-09-12 | Murata Mfg Co Ltd | ラダー型フィルタ |
JP3114526B2 (ja) * | 1994-10-17 | 2000-12-04 | 株式会社村田製作所 | チップ型圧電共振部品 |
US5939957A (en) * | 1996-07-26 | 1999-08-17 | Ngk Spark Plug Co., Ltd. | 6-elements ladder type piezoelectric filter |
JP3331949B2 (ja) * | 1998-02-20 | 2002-10-07 | 株式会社村田製作所 | 誘電体フィルタ、誘電体デュプレクサおよび通信機装置 |
JP2000077971A (ja) * | 1998-08-28 | 2000-03-14 | Ngk Spark Plug Co Ltd | 積層型圧電フィルタ |
JP3428484B2 (ja) * | 1999-02-25 | 2003-07-22 | 株式会社村田製作所 | 圧電部品の設計方法 |
US6709285B1 (en) * | 2003-01-29 | 2004-03-23 | Shin Jiuh Corp. | Electric connecting elements for piezoelectric plates |
CN102800910A (zh) * | 2011-05-24 | 2012-11-28 | 同济大学 | 亚波长电磁二极管 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3723920A (en) * | 1971-06-24 | 1973-03-27 | Gte Automatic Electric Lab Inc | Crystal filter assembly |
JPS5829705Y2 (ja) * | 1979-06-27 | 1983-06-29 | セブンロツク株式会社 | 錠のラツチ機構 |
JPS5657524U (US07709020-20100504-C00032.png) * | 1979-10-09 | 1981-05-18 | ||
JPS5669127U (US07709020-20100504-C00032.png) * | 1979-10-23 | 1981-06-08 | ||
JPS6324658Y2 (US07709020-20100504-C00032.png) * | 1980-06-17 | 1988-07-06 | ||
JPS6012413U (ja) * | 1983-07-07 | 1985-01-28 | 株式会社 石畑型枠 | マンホ−ル用型枠の足掛具支持装置 |
JPS61124119U (US07709020-20100504-C00032.png) * | 1985-01-21 | 1986-08-05 | ||
JPS6370722U (US07709020-20100504-C00032.png) * | 1986-10-27 | 1988-05-12 |
-
1987
- 1987-11-27 JP JP1987181782U patent/JP2524969Y2/ja not_active Expired - Lifetime
-
1988
- 1988-11-23 US US07/274,869 patent/US4864259A/en not_active Expired - Fee Related
- 1988-11-25 GB GB8827572A patent/GB2213013B/en not_active Expired - Lifetime
-
1992
- 1992-10-22 HK HK803/92A patent/HK80392A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2213013A (en) | 1989-08-02 |
JPH0186319U (US07709020-20100504-C00032.png) | 1989-06-07 |
US4864259A (en) | 1989-09-05 |
GB8827572D0 (en) | 1988-12-29 |
HK80392A (en) | 1992-10-30 |
GB2213013B (en) | 1991-11-06 |
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