BE428199A - - Google Patents
Info
- Publication number
- BE428199A BE428199A BE428199DA BE428199A BE 428199 A BE428199 A BE 428199A BE 428199D A BE428199D A BE 428199DA BE 428199 A BE428199 A BE 428199A
- 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)
- Relay Circuits (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US144273A US2132684A (en) | 1937-05-22 | 1937-05-22 | Printing telegraph automatic exchange system |
| GB13945/38A GB504501A (en) | 1937-05-22 | 1938-05-10 | Printing telegraph automatic exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428199A true BE428199A (fr) | 1938-06-30 |
Family
ID=26250134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428199D BE428199A (fr) | 1937-05-22 | 1938-05-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2132684A (fr) |
| BE (1) | BE428199A (fr) |
| FR (1) | FR838203A (fr) |
| GB (1) | GB504501A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2568756A (en) * | 1945-09-05 | 1951-09-25 | Int Standard Electric Corp | Reservation system |
| US2609439A (en) * | 1949-09-20 | 1952-09-02 | Teleregister Corp | Indicator setting mechanism operable by means of character comparisons |
| NL82351C (fr) * | 1950-06-14 | |||
| US2664459A (en) * | 1951-10-02 | 1953-12-29 | Roelof M M Oberman | Automatic switching means for use in telegraph systems and the like |
| NL261984A (fr) * | 1960-03-21 | |||
| NL279134A (fr) * | 1961-05-31 |
-
1937
- 1937-05-22 US US144273A patent/US2132684A/en not_active Expired - Lifetime
-
1938
- 1938-05-10 GB GB13945/38A patent/GB504501A/en not_active Expired
- 1938-05-20 FR FR838203D patent/FR838203A/fr not_active Expired
- 1938-05-21 BE BE428199D patent/BE428199A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2132684A (en) | 1938-10-11 |
| GB504501A (en) | 1939-04-26 |
| FR838203A (fr) | 1939-03-01 |