BE552033A - - Google Patents
Info
- Publication number
- BE552033A BE552033A BE552033DA BE552033A BE 552033 A BE552033 A BE 552033A BE 552033D A BE552033D A BE 552033DA BE 552033 A BE552033 A BE 552033A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/42—Circuits for by-passing of ringing signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL345041X | 1955-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552033A true BE552033A (zh) |
Family
ID=19784856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552033D BE552033A (zh) | 1955-10-25 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE552033A (zh) |
| CH (1) | CH345041A (zh) |
| DE (1) | DE1028619B (zh) |
| FR (1) | FR1161567A (zh) |
| GB (1) | GB819437A (zh) |
| NL (2) | NL90543C (zh) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE497800A (zh) * | 1949-08-30 |
-
0
- NL NL201492D patent/NL201492A/xx unknown
- NL NL90543D patent/NL90543C/xx active
- BE BE552033D patent/BE552033A/xx unknown
-
1956
- 1956-10-22 GB GB32096/56A patent/GB819437A/en not_active Expired
- 1956-10-22 DE DEN12863A patent/DE1028619B/de active Pending
- 1956-10-23 FR FR1161567D patent/FR1161567A/fr not_active Expired
- 1956-10-23 CH CH345041D patent/CH345041A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1161567A (fr) | 1958-09-02 |
| CH345041A (de) | 1960-03-15 |
| DE1028619B (de) | 1958-04-24 |
| NL90543C (zh) | |
| NL201492A (zh) | |
| GB819437A (en) | 1959-09-02 |