DK545184D0 - Apparat til undertrykkelse af parasitiske daempningspoler i krystalfiltre - Google Patents

Apparat til undertrykkelse af parasitiske daempningspoler i krystalfiltre

Info

Publication number: DK545184D0
Authority: DK; Denmark
Prior art keywords: pools; suppression; crystal filters; parasitic damping; parasitic
Prior art date: 1983-04-27

Application number

DK545184A

Other languages

English (en)

Other versions

DK164978C (da

DK545184A (da

DK164978B (da

Inventor

Jr Robert J Higgins

Original Assignee

Motorola Inc

Priority date (The priority date 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 date listed.)

1983-04-27

Filing date

1984-11-16

Publication date

1984-11-16

1984-11-16 Application filed by Motorola Inc filed Critical Motorola Inc

1984-11-16 Publication of DK545184D0 publication Critical patent/DK545184D0/da

1984-11-16 Publication of DK545184A publication Critical patent/DK545184A/da

1992-09-21 Publication of DK164978B publication Critical patent/DK164978B/da

1993-02-08 Application granted granted Critical

1993-02-08 Publication of DK164978C publication Critical patent/DK164978C/da

Links

239000013078 crystal Substances 0.000 title 1
238000013016 damping Methods 0.000 title 1
230000003071 parasitic effect Effects 0.000 title 1
230000001629 suppression Effects 0.000 title 1

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)

DK545184A 1983-04-27 1984-11-16 Apparat til undertrykkelse af parasitiske daempningspoler i basismonterede krystalfiltre DK164978C (da)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US48887483		1983-04-27
US06/488,874 US4533885A (en)	1983-04-27	1983-04-27	Apparatus for suppression of spurious attenuation poles in crystal filters
US8400565		1984-04-12
PCT/US1984/000565 WO1984004434A1 (en)	1983-04-27	1984-04-12	Apparatus for suppression of spurious attenuation poles in crystal filters

Publications (4)

Publication Number	Publication Date
DK545184D0 true DK545184D0 (da)	1984-11-16
DK545184A DK545184A (da)	1984-11-16
DK164978B DK164978B (da)	1992-09-21
DK164978C DK164978C (da)	1993-02-08

Family

ID=23941470

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK545184A DK164978C (da)	1983-04-27	1984-11-16	Apparat til undertrykkelse af parasitiske daempningspoler i basismonterede krystalfiltre

Country Status (11)

Country	Link
US (1)	US4533885A (da)
EP (1)	EP0156808B1 (da)
JP (1)	JPS60501188A (da)
KR (1)	KR920007453B1 (da)
AU (1)	AU585482B2 (da)
CA (1)	CA1204178A (da)
DE (1)	DE3484243D1 (da)
DK (1)	DK164978C (da)
FI (1)	FI87862C (da)
SG (1)	SG56493G (da)
WO (1)	WO1984004434A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0224866B1 (de) *	1985-12-05	1993-02-17	Siemens Aktiengesellschaft	Oberflächenwellenbauelement
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)

* Cited by examiner, † Cited by third party
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 JP JP59501788A patent/JPS60501188A/ja active Granted
- 1984-04-12 EP EP84901862A patent/EP0156808B1/en not_active Expired - Lifetime
- 1984-04-12 DE DE8484901862T patent/DE3484243D1/de not_active Expired - Lifetime
- 1984-04-12 AU AU28275/84A patent/AU585482B2/en not_active Ceased
- 1984-04-12 WO PCT/US1984/000565 patent/WO1984004434A1/en not_active Ceased
- 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
AU585482B2 (en)	1989-06-22
DK164978C (da)	1993-02-08
CA1204178A (en)	1986-05-06
EP0156808A4 (en)	1986-08-21
FI87862C (fi)	1993-02-25
EP0156808B1 (en)	1991-03-06
SG56493G (en)	1993-07-09
JPS60501188A (ja)	1985-07-25
DK545184A (da)	1984-11-16
EP0156808A1 (en)	1985-10-09
DK164978B (da)	1992-09-21
DE3484243D1 (de)	1991-04-11
US4533885A (en)	1985-08-06
AU2827584A (en)	1984-11-19
FI844957L (fi)	1984-12-14
JPH0422366B2 (da)	1992-04-16
FI844957A0 (fi)	1984-12-14
KR920007453B1 (ko)	1992-09-01
KR850000813A (ko)	1985-03-09
FI87862B (fi)	1992-11-13
WO1984004434A1 (en)	1984-11-08

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