BE454965A - - Google Patents
Info
- Publication number
- BE454965A BE454965A BE454965DA BE454965A BE 454965 A BE454965 A BE 454965A BE 454965D A BE454965D A BE 454965DA BE 454965 A BE454965 A BE 454965A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04L1/24—Testing correct operation
- H04L1/248—Distortion measuring systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE906998X | 1943-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454965A true BE454965A (ko) |
Family
ID=6862898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454965D BE454965A (ko) | 1943-01-19 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE454965A (ko) |
| FR (1) | FR906998A (ko) |
-
0
- BE BE454965D patent/BE454965A/xx unknown
-
1944
- 1944-03-16 FR FR906998D patent/FR906998A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR906998A (fr) | 1946-02-26 |