DD114732A5 - - Google Patents
Info
- Publication number
- DD114732A5 DD114732A5 DD182070A DD18207074A DD114732A5 DD 114732 A5 DD114732 A5 DD 114732A5 DD 182070 A DD182070 A DD 182070A DD 18207074 A DD18207074 A DD 18207074A DD 114732 A5 DD114732 A5 DD 114732A5
- Authority
- DD
- German Democratic Republic
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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7338911A FR2250229B1 (en) | 1973-10-31 | 1973-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD114732A5 true DD114732A5 (en) | 1975-08-12 |
Family
ID=9127200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD182070A DD114732A5 (en) | 1973-10-31 | 1974-10-31 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5075754A (en) |
| DD (1) | DD114732A5 (en) |
| DE (1) | DE2451653A1 (en) |
| FR (1) | FR2250229B1 (en) |
| GB (1) | GB1476739A (en) |
| PL (1) | PL94893B1 (en) |
| SE (1) | SE394168B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843465B4 (en) * | 1998-09-22 | 2005-06-02 | Vacuumschmelze Gmbh | Current-compensated radio interference suppression choke |
| US10700666B2 (en) | 2017-02-08 | 2020-06-30 | Taiyo Yuden Co., Ltd. | Filter circuit, multiplexer, and module |
| CN114448387B (en) * | 2021-12-28 | 2022-12-27 | 深圳市恒运昌真空技术有限公司 | Method for adjusting impedance matching and impedance matching circuit |
-
1973
- 1973-10-31 FR FR7338911A patent/FR2250229B1/fr not_active Expired
-
1974
- 1974-10-29 SE SE7413622A patent/SE394168B/en unknown
- 1974-10-30 GB GB4704174A patent/GB1476739A/en not_active Expired
- 1974-10-30 DE DE19742451653 patent/DE2451653A1/en not_active Withdrawn
- 1974-10-30 PL PL1974175245A patent/PL94893B1/pl unknown
- 1974-10-31 DD DD182070A patent/DD114732A5/xx unknown
- 1974-10-31 JP JP49126047A patent/JPS5075754A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5075754A (en) | 1975-06-21 |
| SE394168B (en) | 1977-06-06 |
| PL94893B1 (en) | 1977-09-30 |
| DE2451653A1 (en) | 1975-05-07 |
| FR2250229B1 (en) | 1976-10-01 |
| GB1476739A (en) | 1977-06-16 |
| SE7413622L (en) | 1975-05-02 |
| FR2250229A1 (en) | 1975-05-30 |