BE831641A - Filtre a ondes elastiques de surface - Google Patents
Filtre a ondes elastiques de surfaceInfo
- Publication number
- BE831641A BE831641A BE156527A BE158527A BE831641A BE 831641 A BE831641 A BE 831641A BE 156527 A BE156527 A BE 156527A BE 158527 A BE158527 A BE 158527A BE 831641 A BE831641 A BE 831641A
- Authority
- BE
- Belgium
- Prior art keywords
- wave filter
- elastic wave
- surface elastic
- filter
- wave
- Prior art date
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)
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 (1)
Publication Number | Publication Date |
---|---|
BE831641A true BE831641A (fr) | 1975-11-17 |
Family
ID=26218447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE156527A BE831641A (fr) | 1974-07-24 | 1975-07-23 | Filtre a ondes elastiques de surface |
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)
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 |
Family Cites Families (4)
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 |
DE2238845A1 (de) * | 1972-08-07 | 1974-02-14 | Siemens Ag | Filter oder verzoegerungsleitung mit oberflaechenwellen |
JPS519648A (fr) * | 1974-07-15 | 1976-01-26 | Nippon Telegraph & Telephone |
-
1974
- 1974-07-24 FR FR7425663A patent/FR2280251A1/fr active Granted
-
1975
- 1975-07-22 DE DE19752532757 patent/DE2532757A1/de not_active Ceased
- 1975-07-23 BE BE156527A patent/BE831641A/fr unknown
- 1975-07-23 GB GB30885/75A patent/GB1514998A/en not_active Expired
- 1975-07-23 CA CA232,074A patent/CA1038942A/fr not_active Expired
- 1975-07-24 JP JP9067375A patent/JPS5536206B2/ja not_active Expired
-
1976
- 1976-12-21 US US05/753,351 patent/US4096456A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2280251B1 (fr) | 1978-05-05 |
CA1038942A (fr) | 1978-09-19 |
US4096456A (en) | 1978-06-20 |
GB1514998A (en) | 1978-06-21 |
FR2280251A1 (fr) | 1976-02-20 |
JPS5536206B2 (fr) | 1980-09-19 |
JPS5136848A (fr) | 1976-03-27 |
DE2532757A1 (de) | 1976-02-12 |
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