BE442614A - - Google Patents
Info
- Publication number
- BE442614A BE442614A BE442614DA BE442614A BE 442614 A BE442614 A BE 442614A BE 442614D A BE442614D A BE 442614DA BE 442614 A BE442614 A BE 442614A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE222909X | 1940-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442614A true BE442614A (https=) |
Family
ID=5847790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442614D BE442614A (https=) | 1940-08-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE442614A (https=) |
| CH (1) | CH222909A (https=) |
| FR (1) | FR875257A (https=) |
-
0
- BE BE442614D patent/BE442614A/xx unknown
-
1941
- 1941-07-08 CH CH222909D patent/CH222909A/de unknown
- 1941-08-21 FR FR875257D patent/FR875257A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR875257A (fr) | 1942-09-14 |
| CH222909A (de) | 1942-08-15 |