JPS5747569B2 - - Google Patents
Info
- Publication number
- JPS5747569B2 JPS5747569B2 JP9064175A JP9064175A JPS5747569B2 JP S5747569 B2 JPS5747569 B2 JP S5747569B2 JP 9064175 A JP9064175 A JP 9064175A JP 9064175 A JP9064175 A JP 9064175A JP S5747569 B2 JPS5747569 B2 JP S5747569B2
- Authority
- JP
- Japan
- 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 devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
- H03H9/6496—Reducing ripple in transfer characteristic
-
- 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
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
-
- 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
-
- 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14564—Shifted fingers transducers
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9064175A JPS5214333A (en) | 1975-07-24 | 1975-07-24 | Surface wave element |
| CA242,065A CA1047615A (en) | 1974-12-25 | 1975-12-18 | Surface acoustic wave filter |
| GB52121/75A GB1513580A (en) | 1974-12-25 | 1975-12-19 | Acoustic surface-wave filters |
| US05/642,345 US4028649A (en) | 1974-12-25 | 1975-12-19 | Surface acoustic wave filter |
| NL7514959A NL7514959A (en) | 1974-12-25 | 1975-12-22 | ACOUSTIC SURFACE FILTER. |
| DE19752558145 DE2558145A1 (en) | 1974-12-25 | 1975-12-23 | ACOUSTIC FILTER FOR SURFACE WAVES |
| FR7539767A FR2296305A1 (en) | 1974-12-25 | 1975-12-24 | SURFACE ACOUSTIC WAVE FILTER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9064175A JPS5214333A (en) | 1975-07-24 | 1975-07-24 | Surface wave element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5214333A JPS5214333A (en) | 1977-02-03 |
| JPS5747569B2 true JPS5747569B2 (en) | 1982-10-09 |
Family
ID=14004117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9064175A Granted JPS5214333A (en) | 1974-12-25 | 1975-07-24 | Surface wave element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5214333A (en) |
-
1975
- 1975-07-24 JP JP9064175A patent/JPS5214333A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5214333A (en) | 1977-02-03 |