BE421233A - - Google Patents
Info
- Publication number
- BE421233A BE421233A BE421233DA BE421233A BE 421233 A BE421233 A BE 421233A BE 421233D A BE421233D A BE 421233DA BE 421233 A BE421233 A BE 421233A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/42—Transmitting circuits; Receiving circuits using mechanical distributors
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Alarm Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1936S0122526 DE694552C (de) | 1936-05-01 | 1936-05-01 | Verfahren zur Feststellung des zeitlichen Verlaufs von telegrafischen Zeichen fuer Doppelstrombetrieb |
| DES122553D DE740114C (de) | 1936-05-01 | 1936-05-05 | Einrichtung zur UEberwachung von telegrafischen Verbindungen in Telegrafenvermittlungsanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE421233A true BE421233A (xx) | 1937-05-31 |
Family
ID=41119797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421233D BE421233A (xx) | 1936-05-01 | 1937-04-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE421233A (xx) |
| DE (2) | DE694552C (xx) |
| FR (1) | FR821052A (xx) |
| GB (1) | GB475474A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3335223A (en) * | 1962-09-07 | 1967-08-08 | Ericsson Telefon Ab L M | Arrangement for automatic equalization of the distortion in data transmission channels |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE603697C (de) * | 1933-05-18 | 1934-10-06 | Siemens & Halske Akt Ges | Einrichtung zur Feststellung des zeitlichen Verlaufes von telegraphischen Zeichen |
-
1936
- 1936-05-01 DE DE1936S0122526 patent/DE694552C/de not_active Expired
- 1936-05-05 DE DES122553D patent/DE740114C/de not_active Expired
-
1937
- 1937-04-23 FR FR821052D patent/FR821052A/fr not_active Expired
- 1937-04-24 BE BE421233D patent/BE421233A/xx unknown
- 1937-05-04 GB GB12711/37A patent/GB475474A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE694552C (de) | 1940-08-03 |
| FR821052A (fr) | 1937-11-26 |
| GB475474A (en) | 1937-11-19 |
| DE740114C (de) | 1943-10-12 |