BE470334A - - Google Patents
Info
- Publication number
- BE470334A BE470334A BE470334DA BE470334A BE 470334 A BE470334 A BE 470334A BE 470334D A BE470334D A BE 470334DA BE 470334 A BE470334 A BE 470334A
- 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 elements; Electromechanical resonators
- H03H9/46—Filters
-
- 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
- H03H9/48—Coupling means therefor
- H03H9/50—Mechanical coupling means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH637377X | 1946-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470334A true BE470334A (https=) |
Family
ID=4525184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470334D BE470334A (https=) | 1946-01-07 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE470334A (https=) |
| CH (1) | CH248955A (https=) |
| FR (1) | FR939539A (https=) |
| GB (1) | GB637377A (https=) |
| NL (1) | NL71852C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL225484A (https=) * | 1957-03-22 |
-
0
- NL NL71852D patent/NL71852C/xx active
- BE BE470334D patent/BE470334A/xx unknown
-
1946
- 1946-01-07 CH CH248955D patent/CH248955A/de unknown
-
1947
- 1947-01-01 GB GB90/47A patent/GB637377A/en not_active Expired
- 1947-01-06 FR FR939539D patent/FR939539A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB637377A (en) | 1950-05-17 |
| NL71852C (https=) | |
| FR939539A (fr) | 1948-11-17 |
| CH248955A (de) | 1947-05-31 |