BE518068A - - Google Patents
Info
- Publication number
- BE518068A BE518068A BE518068DA BE518068A BE 518068 A BE518068 A BE 518068A BE 518068D A BE518068D A BE 518068DA BE 518068 A BE518068 A BE 518068A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL311998X | 1952-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518068A true BE518068A (en:Method) |
Family
ID=19783658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518068D BE518068A (en:Method) | 1952-02-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2790030A (en:Method) |
| BE (1) | BE518068A (en:Method) |
| CH (1) | CH311998A (en:Method) |
| FR (1) | FR1080556A (en:Method) |
| GB (1) | GB727526A (en:Method) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2245160A (en) * | 1939-07-07 | 1941-06-10 | Bell Telephone Labor Inc | Telephone system |
-
0
- BE BE518068D patent/BE518068A/xx unknown
-
1953
- 1953-02-09 US US335836A patent/US2790030A/en not_active Expired - Lifetime
- 1953-02-25 GB GB5265/53A patent/GB727526A/en not_active Expired
- 1953-02-26 CH CH311998D patent/CH311998A/de unknown
- 1953-02-27 FR FR1080556D patent/FR1080556A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2790030A (en) | 1957-04-23 |
| FR1080556A (fr) | 1954-12-10 |
| GB727526A (en) | 1955-04-06 |
| CH311998A (de) | 1955-12-15 |