JPS6210045B2 - - Google Patents
Info
- Publication number
- JPS6210045B2 JPS6210045B2 JP54131557A JP13155779A JPS6210045B2 JP S6210045 B2 JPS6210045 B2 JP S6210045B2 JP 54131557 A JP54131557 A JP 54131557A JP 13155779 A JP13155779 A JP 13155779A JP S6210045 B2 JPS6210045 B2 JP S6210045B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode fingers
- response
- width
- electrode
- zero
- 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.)
- Expired
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
- H03H9/02818—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
- 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 elements; 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13155779A JPS5656028A (en) | 1979-10-11 | 1979-10-11 | Elastic surface wave filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13155779A JPS5656028A (en) | 1979-10-11 | 1979-10-11 | Elastic surface wave filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5656028A JPS5656028A (en) | 1981-05-16 |
JPS6210045B2 true JPS6210045B2 (en]) | 1987-03-04 |
Family
ID=15060843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13155779A Granted JPS5656028A (en) | 1979-10-11 | 1979-10-11 | Elastic surface wave filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5656028A (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0536177U (ja) * | 1991-10-18 | 1993-05-18 | フジ精機株式会社 | 電磁弁 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5528678A (en) * | 1978-08-22 | 1980-02-29 | Nec Corp | Reed screen shape electrode |
-
1979
- 1979-10-11 JP JP13155779A patent/JPS5656028A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5656028A (en) | 1981-05-16 |
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