NL47505C - - Google Patents
Info
- Publication number
- NL47505C NL47505C NL47505DA NL47505C NL 47505 C NL47505 C NL 47505C NL 47505D A NL47505D A NL 47505DA NL 47505 C NL47505 C NL 47505C
- 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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/48—Coupling means therefor
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US453748XA | 1935-04-20 | 1935-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL47505C true NL47505C (https=) |
Family
ID=21937522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL47505D NL47505C (https=) | 1935-04-20 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE663427C (https=) |
| GB (1) | GB453748A (https=) |
| NL (1) | NL47505C (https=) |
-
0
- NL NL47505D patent/NL47505C/xx active
-
1936
- 1936-03-03 GB GB6415/36A patent/GB453748A/en not_active Expired
- 1936-04-21 DE DEI54830D patent/DE663427C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB453748A (en) | 1936-09-17 |
| DE663427C (de) | 1938-08-10 |