BE871010A - Resonateur pour ondes acoustiques - Google Patents

Resonateur pour ondes acoustiques

Info

Publication number: BE871010A
Authority: BE; Belgium
Prior art keywords: acoustic waves; waves resonator; resonator; acoustic; waves
Prior art date: 1977-10-06

Application number

BE190905A

Other languages

English (en)

French (fr)

Original Assignee

Philips Nv

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.)

1977-10-06

Filing date

1978-10-04

Publication date

1979-04-04

1978-10-04 Application filed by Philips Nv filed Critical Philips Nv

1979-04-04 Publication of BE871010A publication Critical patent/BE871010A/xx

Links

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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves

Landscapes

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

BE190905A 1977-10-06 1978-10-04 Resonateur pour ondes acoustiques BE871010A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4165477		1977-10-06

Publications (1)

Publication Number	Publication Date
BE871010A true BE871010A (fr)	1979-04-04

Family

ID=10420684

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE190905A BE871010A (fr)	1977-10-06	1978-10-04	Resonateur pour ondes acoustiques

Country Status (9)

Country	Link
US (1)	US4254387A (sv)
JP (1)	JPS5937606B2 (sv)
AU (1)	AU517561B2 (sv)
BE (1)	BE871010A (sv)
CA (1)	CA1126829A (sv)
DE (1)	DE2843231A1 (sv)
FR (1)	FR2405589B1 (sv)
GB (1)	GB2009550B (sv)
SE (2)	SE439865B (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5773514A (en) *	1980-10-25	1982-05-08	Fujitsu Ltd	Surface acoustic wave filter
JPS58154917A (ja) *	1982-03-10	1983-09-14	Hitachi Ltd	弾性表面波バンドパスフイルタ
GB2117992B (en) *	1982-03-24	1985-09-18	Philips Electronic Associated	Parallel-series acoustic wave device arrangement
JPS61230419A (ja) *	1985-04-03	1986-10-14	Toyo Commun Equip Co Ltd	２ポ−トｉｄｔ励振型共振器及び共振器フイルタ
JPH0714133B2 (ja) *	1985-04-03	1995-02-15	東洋通信機株式会社	Ｉｄｔ励振型２ポート共振器
US4616197A (en) *	1985-12-05	1986-10-07	R. F. Monolithics, Inc.	Resonator
JPH085395B2 (ja) *	1986-04-14	1996-01-24	株式会社日本自動車部品総合研究所	ステアリング装置の自動操舵機構
JPS62284509A (ja) *	1986-06-02	1987-12-10	Murata Mfg Co Ltd	弾性表面波共振子
JPS632414A (ja) *	1986-06-21	1988-01-07	Alps Electric Co Ltd	弾性表面波共振子
JPH01122780A (ja) *	1987-11-06	1989-05-16	Hitachi Ltd	車両の操舵輪操作角度表示装置
DE3832943A1 (de) *	1988-09-28	1990-03-29	Siemens Ag	Oberflaechenwellenfilter
DE3832944A1 (de) *	1988-09-28	1990-04-05	Siemens Ag	Oberflaechenwellen-interdigitalwandler und oberflaechenwellen-filter mit symmetrischer oder vorgebbar unsymmetrischer uebertragungscharakteristik zwischen eingang und ausgang
DE3833101A1 (de) *	1988-09-29	1990-04-05	Siemens Ag	Wandler mit weglasswichtung fuer oberflaechenwellenfilter
DE3942148A1 (de) *	1989-12-20	1991-06-27	Siemens Ag	Oberflaechenwellen-reflektorfilter
DE3942140A1 (de) *	1989-12-20	1991-06-27	Siemens Ag	Oberflaechenwellen-reflektorfilter
JP3077052B2 (ja) *	1995-12-27	2000-08-14	株式会社村田製作所	弾性表面波共振子フィルタ装置
DE19638634C2 (de) *	1996-09-20	2001-03-01	Siemens Ag	Mit akustischen Oberflächenwellen arbeitende Sensoranordnung
US5952765A (en) *	1996-11-26	1999-09-14	Trw Inc.	Reduced coupling saw filter
DE19938748B4 (de) *	1999-08-16	2007-02-01	Epcos Ag	Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung
US20040103614A1 (en) *	2002-12-03	2004-06-03	Hanks Jeffrey Alan	Composite for storm protection
RU2633658C2 (ru) *	2016-03-09	2017-10-16	Акционерное общество "Научно-производственное предприятие "Радар ммс"	Резонатор на поверхностных акустических волнах

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3886504A (en) *	1974-05-20	1975-05-27	Texas Instruments Inc	Acoustic surface wave resonator devices
US3961293A (en) *	1975-02-03	1976-06-01	Texas Instruments Incorporated	Multi-resonant surface wave resonator
GB1513466A (en) *	1975-09-19	1978-06-07	Mullard Ltd	Acoustic surface wave devices

1978
- 1978-09-29 US US05/947,141 patent/US4254387A/en not_active Expired - Lifetime
- 1978-10-03 CA CA312,548A patent/CA1126829A/en not_active Expired
- 1978-10-03 SE SE7810348A patent/SE439865B/sv not_active IP Right Cessation
- 1978-10-04 AU AU40415/78A patent/AU517561B2/en not_active Expired
- 1978-10-04 DE DE19782843231 patent/DE2843231A1/de not_active Ceased
- 1978-10-04 FR FR7828419A patent/FR2405589B1/fr not_active Expired
- 1978-10-04 BE BE190905A patent/BE871010A/xx unknown
- 1978-10-06 JP JP53123491A patent/JPS5937606B2/ja not_active Expired
- 1978-12-01 GB GB7846848A patent/GB2009550B/en not_active Expired
1983
- 1983-08-22 SE SE8304537A patent/SE453447B/sv not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS5460842A (en)	1979-05-16
AU517561B2 (en)	1981-08-06
FR2405589B1 (fr)	1985-09-27
JPS5937606B2 (ja)	1984-09-11
SE8304537D0 (sv)	1983-08-22
GB2009550A (en)	1979-06-13
SE7810348L (sv)	1979-04-07
DE2843231A1 (de)	1979-04-12
US4254387A (en)	1981-03-03
GB2009550B (en)	1982-05-06
CA1126829A (en)	1982-06-29
AU4041578A (en)	1980-04-17
SE8304537L (sv)	1983-08-22
SE439865B (sv)	1985-07-01
FR2405589A1 (fr)	1979-05-04
SE453447B (sv)	1988-02-01

Publication	Publication Date	Title
BE871010A (fr)	1979-04-04	Resonateur pour ondes acoustiques
BE878906A (fr)	1980-03-20	Resonateur pour ondes acoustiques
BE863590A (fr)	1978-08-02	Resonateur d'ondes de surface acoustiques
PL200966A1 (pl)	1978-07-17	Przetwornik elektro-akustyczny
BE873682A (fr)	1979-07-24	Haut-parleur pour basses frequences
FR2302656A1 (fr)	1976-09-24	Transducteur piezoelectrique pour basses frequences
BE861353A (fr)	1978-03-16	Filtre pour des ondes electromagnetiques tres courtes
FI782836A (fi)	1979-03-21	Digital frekvensdelare
FR2335904A1 (fr)	1977-07-15	Cornet pour la transmission d'ondes ultrasonores
FR2344014A1 (fr)	1977-10-07	Transducteur pour electro-analyse
DK168377A (da)	1977-10-17	Frekvensvariabel impulsradar
BE862063A (fr)	1978-04-14	Filtre pour des ondes electromagnetiques tres courtes
IT1086574B (it)	1985-05-28	Trasduttore acustico elettrodinamico
BE863315A (fr)	1978-05-16	Transducteur
FR2277397A1 (fr)	1976-01-30	Filtre perfectionne pour ondes acoustiques superficielles
IT1080558B (it)	1985-05-16	Trasduttore elettroacustico
NL7810674A (nl)	1979-06-25	Akoestische oppervlakgolfinrichting.
FR2340013A1 (fr)	1977-08-26	Transducteur acoustique electromagnetique
BR7807602A (pt)	1979-06-26	Dispositivos transdutores eletroacusticos
JPS5418723A (en)	1979-02-13	Plane acoustic transducer
JPS5418722A (en)	1979-02-13	Plane acoustic transducer
BE856569A (fr)	1978-01-09	Multiplexeur en ondes millimetriques
JPS5418724A (en)	1979-02-13	Plane acoustic transducer
DD127872A1 (de)	1977-10-19	Akustisches oberflaechenwellenbauelement
PL201553A1 (pl)	1979-06-18	Uklad analogowego przetwornika czestotliwosci