ES550030A0 - Perfeccionamientos en un filtro electrico de ondas de super-ficie - Google Patents

Perfeccionamientos en un filtro electrico de ondas de super-ficie

Info

Publication number
ES550030A0
ES550030A0 ES550030A ES550030A ES550030A0 ES 550030 A0 ES550030 A0 ES 550030A0 ES 550030 A ES550030 A ES 550030A ES 550030 A ES550030 A ES 550030A ES 550030 A0 ES550030 A0 ES 550030A0
Authority
ES
Spain
Prior art keywords
wave filter
surface wave
electrical surface
electrical
filter
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.)
Granted
Application number
ES550030A
Other languages
English (en)
Other versions
ES8702093A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of ES8702093A1 publication Critical patent/ES8702093A1/es
Publication of ES550030A0 publication Critical patent/ES550030A0/es
Expired legal-status Critical Current

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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
    • 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
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
ES550030A 1984-12-17 1985-12-17 Perfeccionamientos en un filtro electrico de ondas de super-ficie Expired ES8702093A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3446022 1984-12-17

Publications (2)

Publication Number Publication Date
ES8702093A1 ES8702093A1 (es) 1986-12-01
ES550030A0 true ES550030A0 (es) 1986-12-01

Family

ID=6253012

Family Applications (1)

Application Number Title Priority Date Filing Date
ES550030A Expired ES8702093A1 (es) 1984-12-17 1985-12-17 Perfeccionamientos en un filtro electrico de ondas de super-ficie

Country Status (5)

Country Link
US (1) US4672338A (es)
EP (1) EP0187918B1 (es)
JP (1) JPS61245613A (es)
DE (1) DE3583602D1 (es)
ES (1) ES8702093A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63266913A (ja) * 1987-04-22 1988-11-04 Showa Electric Wire & Cable Co Ltd 弾性表面波装置
JPS63266912A (ja) * 1987-04-22 1988-11-04 Showa Electric Wire & Cable Co Ltd 弾性表面波装置
NL9220007A (nl) * 1991-10-17 1993-10-01 Rif O Z Mikroelektroniki Met akoestische oppervlaktegolven werkend banddoorlaatfilter
RU2121213C1 (ru) * 1991-10-17 1998-10-27 Акционерное общество открытого типа "РИФ" Полосовой фильтр на поверхностных акустических волнах (пав)
JP3154402B2 (ja) * 1997-11-12 2001-04-09 日本電気株式会社 Ｓａｗフィルタ
GB9911878D0 (en) * 1999-05-22 1999-07-21 Marconi Electronic Syst Ltd Identification tag

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element
US4322651A (en) * 1977-05-09 1982-03-30 Murata Manufacturing Co., Ltd. Acoustic surface wave device
WO1983002204A1 (en) * 1981-12-14 1983-06-23 Gte Prod Corp Acoustical wax on a surface wave device
JPS58131809A (ja) * 1982-01-30 1983-08-05 Toshiba Corp 弾性表面波素子
JPS598419A (ja) * 1982-07-07 1984-01-17 Hitachi Ltd 弾性表面波装置
US4472694A (en) * 1982-09-07 1984-09-18 Gte Laboratories Incorporated Acoustic surface wave device
GB2127249A (en) * 1982-09-20 1984-04-04 Philips Electronic Associated Acoustic surface wave device
DE3234955A1 (de) * 1982-09-21 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Oberflaechenwellenfilter, sowie verfahren zur herstellung des oberflaechenwellenfilters
DE3235236A1 (de) * 1982-09-23 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Oberflaechenwellenfilter, sowie verfahren zur herstellung einer bedaempfungsschicht fuer oberflaechenwellenfilter

Also Published As

Publication number Publication date
US4672338A (en) 1987-06-09
EP0187918A1 (de) 1986-07-23
JPS61245613A (ja) 1986-10-31
EP0187918B1 (de) 1991-07-24
ES8702093A1 (es) 1986-12-01
DE3583602D1 (de) 1991-08-29

Similar Documents

Publication Publication Date Title
GB2166616B (en) Surface acoustic wave device
ES532424A0 (es) Perfeccionamientos en un accionador electrico
ES532423A0 (es) Perfeccionamientos en un accionador electrico
DE3467459D1 (en) An impedance element
ES532425A0 (es) Perfeccionamientos en un accionador electrico
GB2182514B (en) Surface acoustic wave device
IT8519428A0 (it) Connettore elettrico schermato anti-folgorazione
BR8405458A (pt) Terminal receptaculo eletrico
EP0166880A3 (en) Surface acoustic wave device
BR8506956A (pt) Receptaculo eletrico
ES557008A0 (es) Perfeccionamientos en un aparato reorientador de objetos
ES288464Y (es) Conectador electrico
BR8503574A (pt) Conetor eletrico
ES550030A0 (es) Perfeccionamientos en un filtro electrico de ondas de super-ficie
DK118684D0 (da) Elektrisk undervansstik
DK559085D0 (da) Elektrisk samledaase
MX153676A (es) Mejoras en conjunto de conexion electrica
ES510854A0 (es) Perfeccionamientos en componente electrico especialmente filtro de ondas superficiales.
GB8409138D0 (en) Electrical filter
ES541038A0 (es) Perfeccionamientos en un generador electrico
ES543616A0 (es) Perfeccionamientos en un accionador electrico
GB2167257B (en) Surface acoustic wave device
BR8506035A (pt) Guarnicao eletrica montavel em superficie
EP0163354A3 (en) Surface acoustic wave device
DK163852C (da) Elektrisk forbindelsesorgan