NL249538A - - Google Patents
Info
- Publication number
- NL249538A NL249538A NL249538A NL249538A NL249538A NL 249538 A NL249538 A NL 249538A NL 249538 A NL249538 A NL 249538A NL 249538 A NL249538 A NL 249538A NL 249538 A NL249538 A NL 249538A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Traffic Control Systems (AREA)
- Safety Devices In Control Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES62172A DE1084299B (de) | 1959-03-17 | 1959-03-17 | Schaltungsanordnung zum UEberwachen von Vierdrahtleitungen zwischen Fernschreibvermittlungsstellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL249538A true NL249538A (US20080293856A1-20081127-C00150.png) | 1965-09-27 |
Family
ID=7495404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL249538A NL249538A (US20080293856A1-20081127-C00150.png) | 1959-03-17 | 1960-03-17 |
Country Status (4)
-
1958
- 1958-05-28 GB GB17039/58A patent/GB847166A/en not_active Expired
-
1959
- 1959-03-17 DE DES62172A patent/DE1084299B/de active Pending
-
1960
- 1960-03-17 GB GB9555/60A patent/GB913263A/en not_active Expired
- 1960-03-17 NL NL249538A patent/NL249538A/xx unknown
- 1960-03-17 BE BE588765A patent/BE588765R/fr active
Also Published As
| Publication number | Publication date |
|---|---|
| GB913263A (en) | 1962-12-19 |
| GB847166A (en) | 1960-09-07 |
| DE1084299B (de) | 1960-06-30 |
| BE588765R (fr) | 1960-07-18 |
