BE454978A - - Google Patents
Info
- Publication number
- BE454978A BE454978A BE454978DA BE454978A BE 454978 A BE454978 A BE 454978A BE 454978D A BE454978D A BE 454978DA BE 454978 A BE454978 A BE 454978A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE902250X | 1943-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454978A true BE454978A (zh) |
Family
ID=6860991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454978D BE454978A (zh) | 1943-04-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE454978A (zh) |
| FR (1) | FR902250A (zh) |
-
0
- BE BE454978D patent/BE454978A/xx unknown
-
1944
- 1944-02-28 FR FR902250D patent/FR902250A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR902250A (fr) | 1945-08-22 |