JPS5789321A - Surface acoustic wave device - Google Patents
Surface acoustic wave deviceInfo
- Publication number
- JPS5789321A JPS5789321A JP16608780A JP16608780A JPS5789321A JP S5789321 A JPS5789321 A JP S5789321A JP 16608780 A JP16608780 A JP 16608780A JP 16608780 A JP16608780 A JP 16608780A JP S5789321 A JPS5789321 A JP S5789321A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- surface wave
- guide path
- metallic
- electrodes
- 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
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
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02645—Waffle-iron or dot arrays
-
- 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
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02779—Continuous surface reflective arrays
-
- 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
- H03H9/02881—Means for compensation or elimination of undesirable effects of diffraction of wave beam
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14517—Means for weighting
- H03H9/1452—Means for weighting by finger overlap length, apodisation
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16608780A JPS5789321A (en) | 1980-11-25 | 1980-11-25 | Surface acoustic wave device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16608780A JPS5789321A (en) | 1980-11-25 | 1980-11-25 | Surface acoustic wave device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5789321A true JPS5789321A (en) | 1982-06-03 |
JPH0324086B2 JPH0324086B2 (ja) | 1991-04-02 |
Family
ID=15824741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16608780A Granted JPS5789321A (en) | 1980-11-25 | 1980-11-25 | Surface acoustic wave device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5789321A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5815055A (en) * | 1995-07-24 | 1998-09-29 | Canon Kabushiki Kaisha | Matched filter with improved synchronous characteristics, and reception device and communication system using the same |
WO2000057548A1 (fr) * | 1999-03-24 | 2000-09-28 | Fujitsu Limited | Filtre d'onde acoustique de surface |
JP2012085109A (ja) * | 2010-10-12 | 2012-04-26 | Japan Radio Co Ltd | 弾性表面波デバイス |
-
1980
- 1980-11-25 JP JP16608780A patent/JPS5789321A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5815055A (en) * | 1995-07-24 | 1998-09-29 | Canon Kabushiki Kaisha | Matched filter with improved synchronous characteristics, and reception device and communication system using the same |
WO2000057548A1 (fr) * | 1999-03-24 | 2000-09-28 | Fujitsu Limited | Filtre d'onde acoustique de surface |
JP2012085109A (ja) * | 2010-10-12 | 2012-04-26 | Japan Radio Co Ltd | 弾性表面波デバイス |
Also Published As
Publication number | Publication date |
---|---|
JPH0324086B2 (ja) | 1991-04-02 |
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