NL113891C - - Google Patents
Info
- Publication number
- NL113891C NL113891C NL113891DA NL113891C NL 113891 C NL113891 C NL 113891C NL 113891D A NL113891D A NL 113891DA NL 113891 C NL113891 C NL 113891C
- Authority
- NL
- Netherlands
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
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES43857A DE1125563B (de) | 1955-05-09 | 1955-05-09 | Elektromechanische Elemente enthaltendes elektrisches Filter in Abzweigschaltung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL113891C true NL113891C (de) |
Family
ID=7484901
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL113891D NL113891C (de) | 1955-05-09 | ||
| NL206956D NL206956A (de) | 1955-05-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL206956D NL206956A (de) | 1955-05-09 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1125563B (de) |
| FR (1) | FR1149759A (de) |
| GB (1) | GB837275A (de) |
| NL (2) | NL206956A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007024895B4 (de) | 2007-05-29 | 2015-08-27 | Epcos Ag | Multiband-Filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1795204A (en) * | 1927-01-03 | 1931-03-03 | American Telephone & Telegraph | Electrical wave filter |
| FR657760A (fr) * | 1927-07-19 | 1929-05-27 | Thomson Houston Comp Francaise | Perfectionnements apportés aux filtres électriques |
-
0
- NL NL113891D patent/NL113891C/xx active
- NL NL206956D patent/NL206956A/xx unknown
-
1955
- 1955-05-09 DE DES43857A patent/DE1125563B/de active Pending
-
1956
- 1956-05-08 GB GB1428556A patent/GB837275A/en not_active Expired
- 1956-05-09 FR FR1149759D patent/FR1149759A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB837275A (en) | 1960-06-09 |
| NL206956A (de) | |
| DE1125563B (de) | 1962-03-15 |
| FR1149759A (fr) | 1957-12-31 |