JPS5753003B2 - - Google Patents
Info
- Publication number
- JPS5753003B2 JPS5753003B2 JP9783476A JP9783476A JPS5753003B2 JP S5753003 B2 JPS5753003 B2 JP S5753003B2 JP 9783476 A JP9783476 A JP 9783476A JP 9783476 A JP9783476 A JP 9783476A JP S5753003 B2 JPS5753003 B2 JP S5753003B2
- 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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
-
- 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
- H03H9/02858—Means for compensation or elimination of undesirable effects of wave front distortion
-
- 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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3423475A GB1512686A (en) | 1975-08-18 | 1975-08-18 | Acoustic surface wave devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5224444A JPS5224444A (en) | 1977-02-23 |
| JPS5753003B2 true JPS5753003B2 (cs) | 1982-11-10 |
Family
ID=10363100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9783476A Granted JPS5224444A (en) | 1975-08-18 | 1976-08-18 | Surface acoustic wave device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5224444A (cs) |
| CA (1) | CA1089083A (cs) |
| DE (1) | DE2635192C2 (cs) |
| FR (1) | FR2321802A1 (cs) |
| GB (1) | GB1512686A (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1585087A (en) * | 1976-07-29 | 1981-02-25 | Plessey Co Ltd | Surface acoustic wave filters |
| NL7810674A (nl) * | 1977-12-21 | 1979-06-25 | Tektronix Inc | Akoestische oppervlakgolfinrichting. |
| US4205285A (en) * | 1978-11-03 | 1980-05-27 | Gte Laboratories Incorporated | Acoustic surface wave device |
| JPS55125713A (en) | 1979-03-22 | 1980-09-27 | Toshiba Corp | Surface elastic wave device |
| JPS5654114A (en) * | 1979-10-11 | 1981-05-14 | Nec Corp | Reed screen shape converter of elastic surface wave |
| CN114611533B (zh) * | 2022-01-28 | 2022-12-06 | 金陵科技学院 | 叉指单侧倾斜加权型声表面波式Morlet小波处理器 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1360235A (en) * | 1971-04-17 | 1974-07-17 | Marconi Co Ltd | Acoustic surface wave devices |
| GB1430725A (en) * | 1974-08-02 | 1976-04-07 | Mullard Ltd | Acoustic surface wave devices |
| GB1499330A (en) * | 1974-09-26 | 1978-02-01 | Plessey Co Ltd | Acoustic surface wave filters |
-
1975
- 1975-08-18 GB GB3423475A patent/GB1512686A/en not_active Expired
-
1976
- 1976-08-05 DE DE19762635192 patent/DE2635192C2/de not_active Expired
- 1976-08-11 CA CA258,899A patent/CA1089083A/en not_active Expired
- 1976-08-18 JP JP9783476A patent/JPS5224444A/ja active Granted
- 1976-08-18 FR FR7625074A patent/FR2321802A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1512686A (en) | 1978-06-01 |
| DE2635192A1 (de) | 1977-03-03 |
| FR2321802A1 (fr) | 1977-03-18 |
| CA1089083A (en) | 1980-11-04 |
| JPS5224444A (en) | 1977-02-23 |
| DE2635192C2 (de) | 1985-08-08 |
| FR2321802B1 (cs) | 1982-03-12 |