BE519427A - - Google Patents
Info
- Publication number
- BE519427A BE519427A BE519427DA BE519427A BE 519427 A BE519427 A BE 519427A BE 519427D A BE519427D A BE 519427DA BE 519427 A BE519427 A BE 519427A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT929133X | 1952-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519427A true BE519427A (uk) |
Family
ID=3683168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519427D BE519427A (uk) | 1952-04-24 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE519427A (uk) |
| DE (1) | DE929133C (uk) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3337692A (en) * | 1964-06-26 | 1967-08-22 | Automatic Elect Lab | Line lockout in a cross point switching system |
-
0
- BE BE519427D patent/BE519427A/xx unknown
-
1953
- 1953-04-18 DE DEI7139A patent/DE929133C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE929133C (de) | 1955-06-20 |