NL32418C - - Google Patents
Info
- Publication number
- NL32418C NL32418C NL32418DA NL32418C NL 32418 C NL32418 C NL 32418C NL 32418D A NL32418D A NL 32418DA NL 32418 C NL32418 C NL 32418C
- 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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES88480D DE590314C (de) | 1928-11-17 | 1928-11-17 | Verfahren zur Sperrung von Entladungsroehren und Verstaerkern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL32418C true NL32418C (ja�@�@) |
Family
ID=7514473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32418D NL32418C (ja�@�@) | 1928-11-17 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE590314C (ja�@�@) |
| GB (1) | GB343486A (ja�@�@) |
| NL (1) | NL32418C (ja�@�@) |
-
0
- NL NL32418D patent/NL32418C/xx active
-
1928
- 1928-11-17 DE DES88480D patent/DE590314C/de not_active Expired
-
1929
- 1929-11-16 GB GB3510429A patent/GB343486A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE590314C (de) | 1934-01-03 |
| GB343486A (en) | 1931-02-16 |