PL94893B1 - - Google Patents
Download PDFInfo
- Publication number
- PL94893B1 PL94893B1 PL1974175245A PL17524574A PL94893B1 PL 94893 B1 PL94893 B1 PL 94893B1 PL 1974175245 A PL1974175245 A PL 1974175245A PL 17524574 A PL17524574 A PL 17524574A PL 94893 B1 PL94893 B1 PL 94893B1
- Authority
- PL
- Poland
- Prior art keywords
- filter
- inductance
- parallel
- resonant circuit
- piezoelectric resonator
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 3
- 108010074506 Transfer Factor Proteins 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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)
- Filters And Equalizers (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7338911A FR2250229B1 (de) | 1973-10-31 | 1973-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL94893B1 true PL94893B1 (de) | 1977-09-30 |
Family
ID=9127200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1974175245A PL94893B1 (de) | 1973-10-31 | 1974-10-30 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5075754A (de) |
| DD (1) | DD114732A5 (de) |
| DE (1) | DE2451653A1 (de) |
| FR (1) | FR2250229B1 (de) |
| GB (1) | GB1476739A (de) |
| PL (1) | PL94893B1 (de) |
| SE (1) | SE394168B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843465B4 (de) * | 1998-09-22 | 2005-06-02 | Vacuumschmelze Gmbh | Stromkompensierte Funkentstördrossel |
| US10700666B2 (en) | 2017-02-08 | 2020-06-30 | Taiyo Yuden Co., Ltd. | Filter circuit, multiplexer, and module |
| CN114448387B (zh) * | 2021-12-28 | 2022-12-27 | 深圳市恒运昌真空技术有限公司 | 阻抗匹配的调节的方法及阻抗匹配电路 |
-
1973
- 1973-10-31 FR FR7338911A patent/FR2250229B1/fr not_active Expired
-
1974
- 1974-10-29 SE SE7413622A patent/SE394168B/xx unknown
- 1974-10-30 DE DE19742451653 patent/DE2451653A1/de not_active Withdrawn
- 1974-10-30 GB GB4704174A patent/GB1476739A/en not_active Expired
- 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 |
|---|---|
| DE2451653A1 (de) | 1975-05-07 |
| FR2250229B1 (de) | 1976-10-01 |
| SE7413622L (de) | 1975-05-02 |
| GB1476739A (en) | 1977-06-16 |
| FR2250229A1 (de) | 1975-05-30 |
| SE394168B (sv) | 1977-06-06 |
| JPS5075754A (de) | 1975-06-21 |
| DD114732A5 (de) | 1975-08-12 |
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