BE427664A - - Google Patents
Info
- Publication number
- BE427664A BE427664A BE427664DA BE427664A BE 427664 A BE427664 A BE 427664A BE 427664D A BE427664D A BE 427664DA BE 427664 A BE427664 A BE 427664A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/075—Ladder networks, e.g. electric wave filters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
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- 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
- H03H9/54—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR49372T | 1937-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427664A true BE427664A (fr) |
Family
ID=8684557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427664D BE427664A (fr) | 1937-11-06 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE427664A (fr) |
| FR (2) | FR831891A (fr) |
| GB (1) | GB511609A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2001658C2 (nl) * | 2008-06-09 | 2009-12-10 | Univ Delft Tech | Passief RF-filter. |
-
0
- BE BE427664D patent/BE427664A/xx unknown
-
1937
- 1937-04-21 FR FR831891D patent/FR831891A/fr not_active Expired
- 1937-11-06 FR FR49372D patent/FR49372E/fr not_active Expired
-
1938
- 1938-03-18 GB GB8416/38A patent/GB511609A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR49372E (fr) | 1939-03-24 |
| FR831891A (fr) | 1938-09-15 |
| GB511609A (en) | 1939-08-22 |