FR2280251A1 - Filtre a ondes elastiques de surfaces comportant un transducteur a structure antisymetrique - Google Patents

Filtre a ondes elastiques de surfaces comportant un transducteur a structure antisymetrique

Info

Publication number
FR2280251A1
FR2280251A1 FR7425663A FR7425663A FR2280251A1 FR 2280251 A1 FR2280251 A1 FR 2280251A1 FR 7425663 A FR7425663 A FR 7425663A FR 7425663 A FR7425663 A FR 7425663A FR 2280251 A1 FR2280251 A1 FR 2280251A1
Authority
FR
France
Prior art keywords
antisymetric
wave filter
elastic wave
filter containing
surface elastic
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
FR7425663A
Other languages
English (en)
Other versions
FR2280251B1 (fr
Inventor
Gerard Coussot
Olivier Menager
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7425663A priority Critical patent/FR2280251A1/fr
Priority to DE19752532757 priority patent/DE2532757A1/de
Priority to CA232,074A priority patent/CA1038942A/fr
Priority to BE156527A priority patent/BE831641A/fr
Priority to GB30885/75A priority patent/GB1514998A/en
Priority to JP9067375A priority patent/JPS5536206B2/ja
Priority to PL18224175A priority patent/PL97791B1/pl
Publication of FR2280251A1 publication Critical patent/FR2280251A1/fr
Priority to US05/753,351 priority patent/US4096456A/en
Application granted granted Critical
Publication of FR2280251B1 publication Critical patent/FR2280251B1/fr
Granted 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
    • 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
    • H03H9/02897—Means for compensation or elimination of undesirable effects of strain or mechanical damage, e.g. strain due to bending influence

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7425663A 1974-07-24 1974-07-24 Filtre a ondes elastiques de surfaces comportant un transducteur a structure antisymetrique Granted FR2280251A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7425663A FR2280251A1 (fr) 1974-07-24 1974-07-24 Filtre a ondes elastiques de surfaces comportant un transducteur a structure antisymetrique
DE19752532757 DE2532757A1 (de) 1974-07-24 1975-07-22 Mit elastischen oberflaechenwellen arbeitendes filter
BE156527A BE831641A (fr) 1974-07-24 1975-07-23 Filtre a ondes elastiques de surface
GB30885/75A GB1514998A (en) 1974-07-24 1975-07-23 Surface elastic wave filter
CA232,074A CA1038942A (fr) 1974-07-24 1975-07-23 Filtre pour onde de surface elastique
JP9067375A JPS5536206B2 (fr) 1974-07-24 1975-07-24
PL18224175A PL97791B1 (pl) 1974-07-24 1975-07-24 Filtr sprezystych fal powierzchniowych
US05/753,351 US4096456A (en) 1974-07-24 1976-12-21 Surface elastic wave filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7425663A FR2280251A1 (fr) 1974-07-24 1974-07-24 Filtre a ondes elastiques de surfaces comportant un transducteur a structure antisymetrique
US59757475A 1975-07-21 1975-07-21

Publications (2)

Publication Number Publication Date
FR2280251A1 true FR2280251A1 (fr) 1976-02-20
FR2280251B1 FR2280251B1 (fr) 1978-05-05

Family

ID=26218447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425663A Granted FR2280251A1 (fr) 1974-07-24 1974-07-24 Filtre a ondes elastiques de surfaces comportant un transducteur a structure antisymetrique

Country Status (7)

Country Link
US (1) US4096456A (fr)
JP (1) JPS5536206B2 (fr)
BE (1) BE831641A (fr)
CA (1) CA1038942A (fr)
DE (1) DE2532757A1 (fr)
FR (1) FR2280251A1 (fr)
GB (1) GB1514998A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1273701A (fr) * 1986-03-12 1990-09-04 Mark S. Suthers Dispositif a ondes acoustiques de surface a transducteur interdigite apodise
JPH0353137A (ja) * 1989-07-20 1991-03-07 Yakichi Higo 応力測定法
JPH03260224A (ja) * 1990-03-09 1991-11-20 Shikoku Sogo Kenkyusho:Kk 電柱支持装置
US7898498B2 (en) * 2008-03-20 2011-03-01 Honeywell International Inc. Transducer for high-frequency antenna coupling and related apparatus and method
US8451176B2 (en) * 2009-06-11 2013-05-28 Honeywell International Inc. Method for achieving intrinsic safety compliance in wireless devices using isolated overlapping grounds and related apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238845A1 (de) * 1972-08-07 1974-02-14 Siemens Ag Filter oder verzoegerungsleitung mit oberflaechenwellen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582838A (en) * 1966-09-27 1971-06-01 Zenith Radio Corp Surface wave devices
US3675163A (en) * 1970-08-26 1972-07-04 Clinton S Hartmann Cascaded f. m. correlators for long pulses
JPS519648A (fr) * 1974-07-15 1976-01-26 Nippon Telegraph & Telephone

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238845A1 (de) * 1972-08-07 1974-02-14 Siemens Ag Filter oder verzoegerungsleitung mit oberflaechenwellen

Also Published As

Publication number Publication date
CA1038942A (fr) 1978-09-19
JPS5136848A (fr) 1976-03-27
DE2532757A1 (de) 1976-02-12
US4096456A (en) 1978-06-20
BE831641A (fr) 1975-11-17
GB1514998A (en) 1978-06-21
FR2280251B1 (fr) 1978-05-05
JPS5536206B2 (fr) 1980-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse