BE421180A - - Google Patents
Info
- Publication number
- BE421180A BE421180A BE421180DA BE421180A BE 421180 A BE421180 A BE 421180A BE 421180D A BE421180D A BE 421180DA BE 421180 A BE421180 A BE 421180A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1936L0090217 DE690535C (de) | 1936-04-23 | 1936-04-23 | Schaltungsanordnung fuer Telegraphenanlagen mit Waehlerbetrieb und Vorwaehlern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE421180A true BE421180A (it) |
Family
ID=7286999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421180D BE421180A (it) | 1936-04-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2184836A (it) |
| BE (1) | BE421180A (it) |
| DE (1) | DE690535C (it) |
| FR (1) | FR821296A (it) |
| GB (1) | GB494582A (it) |
| NL (1) | NL50861C (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2608615A (en) * | 1942-12-18 | 1952-08-26 | Roelof M M Oberman | Automatic telegraph system controlled from the teleprinter keyboard |
-
0
- NL NL50861D patent/NL50861C/xx active
- BE BE421180D patent/BE421180A/xx unknown
-
1936
- 1936-04-23 DE DE1936L0090217 patent/DE690535C/de not_active Expired
-
1937
- 1937-04-20 FR FR821296D patent/FR821296A/fr not_active Expired
- 1937-04-23 US US138538A patent/US2184836A/en not_active Expired - Lifetime
- 1937-04-23 GB GB11683/37A patent/GB494582A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2184836A (en) | 1939-12-26 |
| DE690535C (de) | 1940-04-27 |
| NL50861C (it) | |
| FR821296A (fr) | 1937-12-01 |
| GB494582A (en) | 1938-10-24 |