NL18177C - - Google Patents
Info
- Publication number
- NL18177C NL18177C NL18177DA NL18177C NL 18177 C NL18177 C NL 18177C NL 18177D A NL18177D A NL 18177DA NL 18177 C NL18177 C NL 18177C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE614471X | 1925-04-25 | ||
| DE614471X | 1925-10-08 | ||
| DES72338D DE466684C (de) | 1924-12-24 | 1925-11-23 | Anordnung zur Regelung der Schaltzeiten bei mit gesteuerter Gitterpotentialverlagerung arbeitenden Echo- oder Rueckkopplungssperrern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL18177C true NL18177C (ja) | 1928-06-15 |
Family
ID=28045827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL18177D NL18177C (ja) | 1925-04-25 | 1926-04-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE333727A (ja) |
| FR (1) | FR614471A (ja) |
| NL (1) | NL18177C (ja) |
-
1926
- 1926-04-12 NL NL18177D patent/NL18177C/xx active
- 1926-04-13 BE BE333727D patent/BE333727A/fr unknown
- 1926-04-13 FR FR614471D patent/FR614471A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE333727A (ja) | 1926-05-31 |
| FR614471A (fr) | 1926-12-15 |