NL7105921A - - Google Patents
Info
- Publication number
- NL7105921A NL7105921A NL7105921A NL7105921A NL7105921A NL 7105921 A NL7105921 A NL 7105921A NL 7105921 A NL7105921 A NL 7105921A NL 7105921 A NL7105921 A NL 7105921A NL 7105921 A NL7105921 A NL 7105921A
- Authority
- NL
- Netherlands
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
-
- 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
- H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
- H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
-
- 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
- H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers
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 |
|---|---|---|---|
| DE19702021124 DE2021124C3 (de) | 1970-04-29 | Piezoelektrisches Filter nach dem Oberfl ächen wellenprinzip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7105921A true NL7105921A (xx) | 1971-11-02 |
Family
ID=5769849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7105921A NL7105921A (xx) | 1970-04-29 | 1971-04-29 |
Country Status (4)
| Country | Link |
|---|---|
| AT (3) | AT308202B (xx) |
| FR (1) | FR2090687A5 (xx) |
| GB (1) | GB1319946A (xx) |
| NL (1) | NL7105921A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2454223B1 (fr) * | 1979-04-10 | 1986-11-28 | Telediffusion Fse | Dispositif a ondes elastiques de surface pour circuit de brouillage ou de debrouillage d'emissions de television |
| US4609891A (en) * | 1985-10-16 | 1986-09-02 | Sperry Corporation | Staggered SAW resonator for differential detection |
| DE102015106191A1 (de) * | 2015-04-22 | 2016-10-27 | Epcos Ag | Elektroakustisches Bauelement mit verbesserter Akustik |
-
1971
- 1971-03-23 AT AT249771A patent/AT308202B/de not_active IP Right Cessation
- 1971-03-23 AT AT348772A patent/AT320744B/de not_active IP Right Cessation
- 1971-03-23 AT AT348672A patent/AT321367B/de not_active IP Right Cessation
- 1971-04-26 FR FR7114699A patent/FR2090687A5/fr not_active Expired
- 1971-04-28 GB GB1178171A patent/GB1319946A/en not_active Expired
- 1971-04-29 NL NL7105921A patent/NL7105921A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2090687A5 (xx) | 1972-01-14 |
| DE2021124B2 (de) | 1975-07-31 |
| AT321367B (de) | 1975-03-25 |
| DE2021124A1 (de) | 1971-11-11 |
| AT308202B (de) | 1973-06-25 |
| GB1319946A (en) | 1973-06-13 |
| AT320744B (de) | 1975-02-25 |