JPH0422366B2 - - Google Patents
Info
- Publication number
- JPH0422366B2 JPH0422366B2 JP59501788A JP50178884A JPH0422366B2 JP H0422366 B2 JPH0422366 B2 JP H0422366B2 JP 59501788 A JP59501788 A JP 59501788A JP 50178884 A JP50178884 A JP 50178884A JP H0422366 B2 JPH0422366 B2 JP H0422366B2
- Authority
- JP
- Japan
- Prior art keywords
- pedestal
- filter
- resonators
- resonator
- crystal
- 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
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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/488,874 US4533885A (en) | 1983-04-27 | 1983-04-27 | Apparatus for suppression of spurious attenuation poles in crystal filters |
US488874 | 1995-06-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60501188A JPS60501188A (ja) | 1985-07-25 |
JPH0422366B2 true JPH0422366B2 (en]) | 1992-04-16 |
Family
ID=23941470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59501788A Granted JPS60501188A (ja) | 1983-04-27 | 1984-04-12 | 圧電フィルタ |
Country Status (11)
Country | Link |
---|---|
US (1) | US4533885A (en]) |
EP (1) | EP0156808B1 (en]) |
JP (1) | JPS60501188A (en]) |
KR (1) | KR920007453B1 (en]) |
AU (1) | AU585482B2 (en]) |
CA (1) | CA1204178A (en]) |
DE (1) | DE3484243D1 (en]) |
DK (1) | DK164978C (en]) |
FI (1) | FI87862C (en]) |
SG (1) | SG56493G (en]) |
WO (1) | WO1984004434A1 (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3687783D1 (de) * | 1985-12-05 | 1993-03-25 | Siemens Ag | Oberflaechenwellenbauelement. |
US6020797A (en) * | 1998-08-21 | 2000-02-01 | Cts Corporation | Electrode connection configuration and method for a multi-pole monolithic crystal filter |
JP5861693B2 (ja) * | 2013-12-03 | 2016-02-16 | 株式会社村田製作所 | 積層バンドパスフィルタ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3453458A (en) * | 1965-04-19 | 1969-07-01 | Clevite Corp | Resonator supporting structure |
US3609601A (en) * | 1970-01-12 | 1971-09-28 | Collins Radio Co | Monolithic filter having "m" derived characteristics |
IT967193B (it) * | 1971-09-29 | 1974-02-28 | Licentia Gmbh | Supporto per un filtro elettro meccanico |
US4282454A (en) * | 1979-04-27 | 1981-08-04 | Motorola, Inc. | Piezoelectric crystal mounting and connection arrangement |
DE3175105D1 (en) * | 1980-08-11 | 1986-09-18 | Motorola Inc | Two-pole monolithic crystal filter |
US4329666A (en) * | 1980-08-11 | 1982-05-11 | Motorola, Inc. | Two-pole monolithic crystal filter |
GB2100950A (en) * | 1981-06-23 | 1983-01-06 | Standard Telephones Cables Ltd | Crystal filter |
US4430596A (en) * | 1982-08-16 | 1984-02-07 | Motorola, Inc. | Temperature insensitive piezoelectric crystal mounting arrangement |
-
1983
- 1983-04-27 US US06/488,874 patent/US4533885A/en not_active Expired - Fee Related
-
1984
- 1984-04-09 CA CA000451563A patent/CA1204178A/en not_active Expired
- 1984-04-12 WO PCT/US1984/000565 patent/WO1984004434A1/en active IP Right Grant
- 1984-04-12 AU AU28275/84A patent/AU585482B2/en not_active Ceased
- 1984-04-12 DE DE8484901862T patent/DE3484243D1/de not_active Expired - Lifetime
- 1984-04-12 EP EP84901862A patent/EP0156808B1/en not_active Expired - Lifetime
- 1984-04-12 JP JP59501788A patent/JPS60501188A/ja active Granted
- 1984-04-25 KR KR1019840002219A patent/KR920007453B1/ko not_active Expired
- 1984-11-16 DK DK545184A patent/DK164978C/da active
- 1984-12-14 FI FI844957A patent/FI87862C/fi not_active IP Right Cessation
-
1993
- 1993-05-03 SG SG564/93A patent/SG56493G/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI844957L (fi) | 1984-12-14 |
FI87862B (fi) | 1992-11-13 |
JPS60501188A (ja) | 1985-07-25 |
KR850000813A (ko) | 1985-03-09 |
EP0156808B1 (en) | 1991-03-06 |
DK545184D0 (da) | 1984-11-16 |
EP0156808A4 (en) | 1986-08-21 |
WO1984004434A1 (en) | 1984-11-08 |
FI844957A0 (fi) | 1984-12-14 |
FI87862C (fi) | 1993-02-25 |
AU585482B2 (en) | 1989-06-22 |
KR920007453B1 (ko) | 1992-09-01 |
DE3484243D1 (de) | 1991-04-11 |
DK164978B (da) | 1992-09-21 |
US4533885A (en) | 1985-08-06 |
EP0156808A1 (en) | 1985-10-09 |
AU2827584A (en) | 1984-11-19 |
DK164978C (da) | 1993-02-08 |
CA1204178A (en) | 1986-05-06 |
SG56493G (en) | 1993-07-09 |
DK545184A (da) | 1984-11-16 |
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