KR950700634A - 다중 대역폭 표면 탄성파 필터(A multi-bandwidth SAW filter) - Google Patents

다중 대역폭 표면 탄성파 필터(A multi-bandwidth SAW filter)

Info

Publication number: KR950700634A
Authority: KR; South Korea
Prior art keywords: saw filter; bandwidth saw; bandwidth; filter; saw
Prior art date: 1992-12-31

Application number

KR1019940703047A

Other languages

English (en)

Other versions

KR0146233B1 (ko

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.)

1992-12-31

Filing date

1994-08-31

Publication date

1995-01-16

1993-12-14 Application filed filed Critical

1995-01-16 Publication of KR950700634A publication Critical patent/KR950700634A/ko

1998-12-01 Application granted granted Critical

1998-12-01 Publication of KR0146233B1 publication Critical patent/KR0146233B1/ko

2013-12-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- 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
- H03H9/64—Filters using surface acoustic waves
- H03H9/6403—Programmable filters

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Electrophonic Musical Instruments (AREA)

KR1019940703047A 1992-12-31 1993-12-14 다중 대역폭 탄성 표면파 필터 Expired - Fee Related KR0146233B1 (ko)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US999.256		1992-12-31
US07/999,256 US5365207A (en)	1992-12-31	1992-12-31	Multi-bandwidth saw filter
PCT/US1993/012206 WO1994016498A1 (en)	1992-12-31	1993-12-14	A multi-bandwidth saw filter

Publications (2)

Publication Number	Publication Date
KR950700634A true KR950700634A (ko)	1995-01-16
KR0146233B1 KR0146233B1 (ko)	1998-12-01

Family

ID=25546097

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1019940703047A Expired - Fee Related KR0146233B1 (ko)	1992-12-31	1993-12-14	다중 대역폭 탄성 표면파 필터

Country Status (10)

Country	Link
US (1)	US5365207A (ko)
EP (1)	EP0634067B1 (ko)
JP (1)	JP3071826B2 (ko)
KR (1)	KR0146233B1 (ko)
CN (1)	CN1092569A (ko)
AU (1)	AU5951994A (ko)
CA (1)	CA2130088C (ko)
DE (1)	DE69330309T2 (ko)
FI (1)	FI943985A0 (ko)
WO (1)	WO1994016498A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100240007B1 (ko) *	1995-08-24	2000-01-15	아끼구사 나오유끼	필터장치 및 이를 사용한 무선장치(filter device and dual-band radio system in which the filter device is used)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100207358B1 (ko) *	1994-10-31	1999-07-15	시바타 마사하루	탄성 표면파 필터 장치 및 탄성 표면파 필터 장치용 트랜스듀서
DE19738229A1 (de) *	1997-09-02	1999-03-04	Bilz Otto Werkzeug	Werkzeug oder Werkzeughalter
GB2346049A (en) *	1999-01-19	2000-07-26	Roke Manor Research	Duplex filtering
US6483399B1 (en) *	1999-09-21	2002-11-19	Murata Manufacturing Co., Ltd.	Duplexer and communication apparatus with first and second filters, the second filter having plural switch selectable saw filters
US20020157106A1 (en) *	2001-04-18	2002-10-24	Robert Uskali	Cable channel search systems
US7687971B2 (en) *	2006-08-15	2010-03-30	Northrop Grumman Corporation	Electric field control of surface acoustic wave velocity
US7656253B2 (en)	2007-04-18	2010-02-02	Northrop Grumman Space & Mission Systems Corporation	Surface acoustic wave passband control
JP2010193351A (ja) *	2009-02-20	2010-09-02	Alps Electric Co Ltd	高周波機器
US20110012696A1 (en) *	2009-07-20	2011-01-20	Sony Ericsson Mobile Communications Ab	Switched acoustic wave resonator for tunable filters
US8466776B2 (en) *	2010-07-01	2013-06-18	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	Extended range passive wireless tag system and method
US9083300B2 (en)	2010-09-01	2015-07-14	Qualcomm Mems Technologies, Inc.	Electromechanical systems piezoelectric contour mode differential resonators and filters
DE112010005961T5 (de) *	2010-10-28	2014-02-13	Epcos Ag	Umschaltbares Filter
CN103152011B (zh) *	2013-03-14	2016-08-24	北京中讯四方科技股份有限公司	一种基于多相位倒相横向平衡式结构的声表面波滤波器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3750027A (en) *	1970-08-12	1973-07-31	Texas Instruments Inc	Surface wave frequency discriminators
GB1372052A (en) *	1971-01-05	1974-10-30	Mullard Ltd	Electromechanical frequency selective devices
US4087714A (en) *	1971-10-18	1978-05-02	Hazeltine Corporation	Three phase unidirectional transducer
US3855556A (en) *	1973-04-02	1974-12-17	Texas Instruments Inc	Selectable frequency bandpass filter
US3831116A (en) *	1973-04-09	1974-08-20	Raytheon Co	Surface acoustic wave filter
US4006290A (en) *	1974-08-12	1977-02-01	Gte Sylvania Incorporated	Surface wave frequency selective device
JPS5824973B2 (ja) *	1975-11-22	1983-05-24	松下電器産業株式会社	ダンセイヒヨウメンハガタフイルタ
JPS5422745A (en) *	1977-07-22	1979-02-20	Hitachi Ltd	Elastic surface wave filter
US4207545A (en) *	1978-08-25	1980-06-10	United Technologies Corporation	Linear SAW signal processor
US4473888A (en) *	1981-10-28	1984-09-25	The United States Of America As Represented By The Secretary Of The Army	Saw monolithic convolver using dispersive transducers
GB2123638B (en) *	1982-06-22	1986-02-26	Clarion Co Ltd	Surface acoustic wave device
GB2166616B (en) *	1984-09-21	1989-07-19	Clarion Co Ltd	Surface acoustic wave device
US4622525A (en) *	1985-07-19	1986-11-11	Sawtek, Inc.	Low loss surface acoustic wave device and method

1992
- 1992-12-31 US US07/999,256 patent/US5365207A/en not_active Expired - Fee Related
1993
- 1993-12-14 DE DE69330309T patent/DE69330309T2/de not_active Expired - Fee Related
- 1993-12-14 WO PCT/US1993/012206 patent/WO1994016498A1/en active IP Right Grant
- 1993-12-14 EP EP94905396A patent/EP0634067B1/en not_active Expired - Lifetime
- 1993-12-14 JP JP6516009A patent/JP3071826B2/ja not_active Expired - Lifetime
- 1993-12-14 CA CA002130088A patent/CA2130088C/en not_active Expired - Fee Related
- 1993-12-14 KR KR1019940703047A patent/KR0146233B1/ko not_active Expired - Fee Related
- 1993-12-14 AU AU59519/94A patent/AU5951994A/en not_active Abandoned
- 1993-12-30 CN CN93121522A patent/CN1092569A/zh active Pending
1994
- 1994-08-31 FI FI943985A patent/FI943985A0/fi unknown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100240007B1 (ko) *	1995-08-24	2000-01-15	아끼구사 나오유끼	필터장치 및 이를 사용한 무선장치(filter device and dual-band radio system in which the filter device is used)
US6115592A (en) *	1995-08-24	2000-09-05	Fujitsu Limited	Filter device and dual-band radio system in which the filter device is used

Also Published As

Publication number	Publication date
DE69330309T2 (de)	2001-09-20
CA2130088C (en)	1998-04-21
CN1092569A (zh)	1994-09-21
EP0634067A1 (en)	1995-01-18
KR0146233B1 (ko)	1998-12-01
EP0634067B1 (en)	2001-06-06
JP3071826B2 (ja)	2000-07-31
US5365207A (en)	1994-11-15
CA2130088A1 (en)	1994-07-21
WO1994016498A1 (en)	1994-07-21
FI943985L (fi)	1994-08-31
JPH07504558A (ja)	1995-05-18
AU5951994A (en)	1994-08-15
EP0634067A4 (en)	1996-01-31
FI943985A0 (fi)	1994-08-31
DE69330309D1 (de)	2001-07-12

Publication	Publication Date	Title
ITTO930317A0 (it)	1993-05-07	Filtro a cartuccia
DE69334045D1 (de)	2006-08-17	Faltenfilter
FI932661A0 (fi)	1993-06-10	Vaerme- och fuktvaexlande filter
DE59301127D1 (de)	1996-01-25	Filtervorrichtung
DK163989D0 (da)	1989-04-05	Filter
KR950700634A (ko)	1995-01-16	다중 대역폭 표면 탄성파 필터(A multi-bandwidth SAW filter)
DE69308410D1 (de)	1997-04-10	Filter
IT9048225A0 (it)	1990-08-13	Segatrice a nastro
NO952358D0 (no)	1995-06-14	Filtersigarett
FI934732A0 (fi)	1993-10-26	Dielektrisk filter
DE69314580D1 (de)	1997-11-20	Optischer Filter
DE69327991D1 (de)	2000-04-13	Filter
NO931290D0 (no)	1993-04-02	Optisk filter
DK0560503T3 (da)	1999-07-19	Et filter
NO962743D0 (no)	1996-06-28	Filteranordning
KR950007483U (ko)	1995-03-21	소우필터(SaW filter)
KR960025857U (ko)	1996-07-22	쏘우필터
KR960006506U (ko)	1996-02-17	쏘필터
KR960032923U (ko)	1996-10-24	쏘 필터
FI945467L (fi)	1994-11-21	Optinen suodatin
KR950015832U (ko)	1995-06-19	소우필터(Saw filter)의 전극
KR940002945U (ko)	1994-02-15	톱자루
FI934413A0 (fi)	1993-10-07	Suodatin
SE9203507D0 (sv)	1992-11-23	Filter
SE9203195D0 (sv)	1992-10-29	Filter

Legal Events

Date	Code	Title	Description
1994-08-31	A201	Request for examination
1994-08-31	PA0105	International application	Patent event date: 19940831 Patent event code: PA01051R01D Comment text: International Patent Application
1994-08-31	PA0201	Request for examination	Patent event code: PA02012R01D Patent event date: 19940831 Comment text: Request for Examination of Application
1995-01-16	PG1501	Laying open of application
1997-08-29	E902	Notification of reason for refusal
1997-08-29	PE0902	Notice of grounds for rejection	Comment text: Notification of reason for refusal Patent event date: 19970829 Patent event code: PE09021S01D
1998-03-12	E701	Decision to grant or registration of patent right
1998-03-12	PE0701	Decision of registration	Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980312
1998-05-08	GRNT	Written decision to grant
1998-05-08	PR0701	Registration of establishment	Comment text: Registration of Establishment Patent event date: 19980508 Patent event code: PR07011E01D
1998-05-08	PR1002	Payment of registration fee	Payment date: 19980508 End annual number: 3 Start annual number: 1
1998-12-01	PG1601	Publication of registration
2001-05-09	LAPS	Lapse due to unpaid annual fee
2001-05-09	PC1903	Unpaid annual fee	Termination category: Default of registration fee Termination date: 20020214