NL7307898A - - Google Patents
Info
- Publication number
- NL7307898A NL7307898A NL7307898A NL7307898A NL7307898A NL 7307898 A NL7307898 A NL 7307898A NL 7307898 A NL7307898 A NL 7307898A NL 7307898 A NL7307898 A NL 7307898A NL 7307898 A NL7307898 A NL 7307898A
- 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
-
- 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
- H03H9/02874—Means for compensation or elimination of undesirable effects of direct coupling between input and output transducers
-
- 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
- H03H9/02913—Measures for shielding against electromagnetic fields
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 |
|---|---|---|---|
| DE19722235233 DE2235233C3 (de) | 1972-07-18 | 1972-07-18 | Filter oder Verzögerungsleitung nach dem OberflächenweUenprinzip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7307898A true NL7307898A (enrdf_load_stackoverflow) | 1974-01-22 |
Family
ID=5850962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7307898A NL7307898A (enrdf_load_stackoverflow) | 1972-07-18 | 1973-06-06 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT339957B (enrdf_load_stackoverflow) |
| BE (1) | BE802498A (enrdf_load_stackoverflow) |
| DE (1) | DE2235233C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2193289B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1441602A (enrdf_load_stackoverflow) |
| IT (1) | IT993581B (enrdf_load_stackoverflow) |
| NL (1) | NL7307898A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296391A (en) | 1977-10-28 | 1981-10-20 | Hitachi, Ltd. | Surface-acoustic-wave filter for channel selection system of television receiver |
| DE3517254A1 (de) * | 1985-05-13 | 1986-11-13 | Siemens AG, 1000 Berlin und 8000 München | Mit akustischen wellen arbeitendes elektrisches filter |
| US4870312A (en) * | 1987-02-19 | 1989-09-26 | Hazeltine Corporation | Surface wave device having anti-reflective shield |
| JP3384403B2 (ja) * | 2001-03-01 | 2003-03-10 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
| DE102010008774B4 (de) * | 2010-02-22 | 2015-07-23 | Epcos Ag | Mikroakustisches Filter mit kompensiertem Übersprechen und Verfahren zur Kompensation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3573673A (en) * | 1969-01-08 | 1971-04-06 | Zenith Radio Corp | Acoustic surface wave filters |
-
1972
- 1972-07-18 DE DE19722235233 patent/DE2235233C3/de not_active Expired
-
1973
- 1973-05-11 AT AT415573A patent/AT339957B/de not_active IP Right Cessation
- 1973-06-06 NL NL7307898A patent/NL7307898A/xx unknown
- 1973-07-11 GB GB3304873A patent/GB1441602A/en not_active Expired
- 1973-07-13 IT IT2655973A patent/IT993581B/it active
- 1973-07-17 FR FR7326193A patent/FR2193289B1/fr not_active Expired
- 1973-07-18 BE BE133608A patent/BE802498A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA415573A (de) | 1977-03-15 |
| DE2235233C3 (de) | 1978-03-02 |
| FR2193289B1 (enrdf_load_stackoverflow) | 1978-02-17 |
| IT993581B (it) | 1975-09-30 |
| FR2193289A1 (enrdf_load_stackoverflow) | 1974-02-15 |
| GB1441602A (en) | 1976-07-07 |
| DE2235233A1 (de) | 1974-01-31 |
| BE802498A (fr) | 1973-11-16 |
| DE2235233B2 (de) | 1977-07-14 |
| AT339957B (de) | 1977-11-25 |