ATE48210T1 - Oberflaechenwellen-resonatorfilter. - Google Patents

Oberflaechenwellen-resonatorfilter.

Info

Publication number
ATE48210T1
ATE48210T1 AT84104363T AT84104363T ATE48210T1 AT E48210 T1 ATE48210 T1 AT E48210T1 AT 84104363 T AT84104363 T AT 84104363T AT 84104363 T AT84104363 T AT 84104363T AT E48210 T1 ATE48210 T1 AT E48210T1
Authority
AT
Austria
Prior art keywords
wave resonator
resonator filter
surface wave
strips
randon
Prior art date
Application number
AT84104363T
Other languages
German (de)
English (en)
Inventor
Wolf-Eckhart Dipl-Phys Bulst
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
Application granted granted Critical
Publication of ATE48210T1 publication Critical patent/ATE48210T1/de

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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
AT84104363T 1983-04-22 1984-04-17 Oberflaechenwellen-resonatorfilter. ATE48210T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833314725 DE3314725A1 (de) 1983-04-22 1983-04-22 Oberflaechenwellen-resonatorfilter
EP84104363A EP0124019B1 (de) 1983-04-22 1984-04-17 Oberflächenwellen-Resonatorfilter

Publications (1)

Publication Number Publication Date
ATE48210T1 true ATE48210T1 (de) 1989-12-15

Family

ID=6197146

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84104363T ATE48210T1 (de) 1983-04-22 1984-04-17 Oberflaechenwellen-resonatorfilter.

Country Status (5)

Country Link
US (1) US4623855A (en])
EP (1) EP0124019B1 (en])
JP (1) JPS59207719A (en])
AT (1) ATE48210T1 (en])
DE (2) DE3314725A1 (en])

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO855284L (no) * 1985-01-18 1986-07-21 Siemens Ag Filter som arbeider med akustiske boelger.
NO855285L (no) * 1985-01-22 1986-07-23 Siemens Ag Filter som arbeider med akustiske boelger.
EP0257377B1 (de) * 1986-08-29 1993-02-17 Siemens Aktiengesellschaft Oberflächenwellen-Resonatorstruktur mit in Teilstücke unterbrochenen Metallisierungsstreifen von Reflektorfingern
DE3731309A1 (de) * 1987-09-17 1989-03-30 Siemens Ag Oberflaechenwellenanordnung mit konversionsstruktur zur vermeidung unerwuenschter reflektierter wellen
DE4213800A1 (de) * 1992-04-27 1993-10-28 Siemens Ag Gewichteter Reflektor für eine Oberflächenwellenanordnung
ES2215628T5 (es) * 1999-04-01 2011-11-28 Dsm Ip Assets B.V. Aglomerados obtenidos por cristalización.
JP3780415B2 (ja) * 2001-06-12 2006-05-31 株式会社村田製作所 縦結合共振子型弾性表面波フィルタ、およびそれを用いた通信機装置
JP3926633B2 (ja) * 2001-06-22 2007-06-06 沖電気工業株式会社 Ｓａｗデバイス及びその製造方法
US6847272B2 (en) * 2003-02-28 2005-01-25 Northrop Grumman Corporation Weighted SAW reflector using distributed acoustic reflective dots
EP1813538A3 (en) * 2006-01-30 2008-04-09 Fujifilm Corporation Cartridge accomodating case
JP4571200B2 (ja) * 2008-03-10 2010-10-27 富士通メディアデバイス株式会社 弾性波フィルタ
JP4766121B2 (ja) * 2009-02-10 2011-09-07 株式会社デンソー 弾性表面波素子、その製造方法およびその共振周波数調整方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952269A (en) 1975-04-28 1976-04-20 Hughes Aircraft Company Surface acoustic wave delay line
GB1513466A (en) 1975-09-19 1978-06-07 Mullard Ltd Acoustic surface wave devices
US4155056A (en) * 1977-08-25 1979-05-15 Bell Telephone Laboratories, Incorporated Cascaded grating resonator filters with external input-output couplers
US4249146A (en) 1979-02-23 1981-02-03 Trw Inc. Surface acoustic wave resonators utilizing harmonic frequencies
JPS5925525B2 (ja) * 1979-08-31 1984-06-19 株式会社東芝 弾性表面波共振子
GB2060305B (en) * 1979-09-20 1983-05-25 Secr Defence Acoustic wave device including a reflective array
JPS56132807A (en) * 1980-03-24 1981-10-17 Hitachi Ltd Surface wave circuit equipment
US4267534A (en) * 1980-05-23 1981-05-12 Sperry Corporation Surface acoustic wave reflectors with weighted arrays of segmented and non-segmented lineal elements

Also Published As

Publication number Publication date
JPH0351327B2 (en]) 1991-08-06
DE3480578D1 (en) 1989-12-28
DE3314725A1 (de) 1984-10-25
EP0124019A3 (en) 1986-05-21
EP0124019B1 (de) 1989-11-23
US4623855A (en) 1986-11-18
JPS59207719A (ja) 1984-11-24
EP0124019A2 (de) 1984-11-07

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Legal Events

Date Code Title Description
EELA Cancelled due to lapse of time