FR939539A - Filtre passe-bande électromécanique - Google Patents
Filtre passe-bande électromécaniqueInfo
- Publication number
- FR939539A FR939539A FR939539DA FR939539A FR 939539 A FR939539 A FR 939539A FR 939539D A FR939539D A FR 939539DA FR 939539 A FR939539 A FR 939539A
- Authority
- FR
- France
- Prior art keywords
- bandpass filter
- electromechanical
- electromechanical bandpass
- filter
- bandpass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
|---|---|
| FR939539A true FR939539A (fr) | 1948-11-17 |
Family
ID=4525184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR939539D Expired FR939539A (fr) | 1946-01-07 | 1947-01-06 | Filtre passe-bande électromécanique |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL225484A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 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 |
|---|---|
| CH248955A (de) | 1947-05-31 |
| NL71852C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | |
| BE470334A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | |
| GB637377A (en) | 1950-05-17 |
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