BE464585A - - Google Patents
Info
- Publication number
- BE464585A BE464585A BE464585DA BE464585A BE 464585 A BE464585 A BE 464585A BE 464585D A BE464585D A BE 464585DA BE 464585 A BE464585 A BE 464585A
- Authority
- BE
- Belgium
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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH246821T | 1945-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464585A true BE464585A (fr) |
Family
ID=4465801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464585D BE464585A (fr) | 1945-04-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE464585A (fr) |
| CH (1) | CH246821A (fr) |
-
0
- BE BE464585D patent/BE464585A/xx unknown
-
1945
- 1945-04-18 CH CH246821D patent/CH246821A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH246821A (de) | 1947-01-31 |