BE509052A - - Google Patents
Info
- Publication number
- BE509052A BE509052A BE509052DA BE509052A BE 509052 A BE509052 A BE 509052A BE 509052D A BE509052D A BE 509052DA BE 509052 A BE509052 A BE 509052A
- 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)
- Monitoring And Testing Of Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB307140X | 1951-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509052A true BE509052A (it) |
Family
ID=10311982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509052D BE509052A (it) | 1951-02-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE509052A (it) |
| CH (1) | CH307140A (it) |
| DE (1) | DE968686C (it) |
| FR (1) | FR1054372A (it) |
| GB (1) | GB728382A (it) |
| NL (1) | NL90098C (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1047258B (de) * | 1952-04-10 | 1958-12-24 | Int Standard Electric Corp | Halbelektronische Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere automatische Fernsprechanlagen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE610358C (de) * | 1931-09-27 | 1935-03-08 | Siemens & Halske Akt Ges | Schaltungsanordnung fuer Fernsprechanlagen mit zweiadrigen Waehlern und zweiadrigen Verbindungsleitungen |
| DE715550C (it) * | 1936-11-14 |
-
0
- BE BE509052D patent/BE509052A/xx unknown
- NL NL90098D patent/NL90098C/xx active
-
1951
- 1951-02-23 GB GB4373/51A patent/GB728382A/en not_active Expired
-
1952
- 1952-01-01 DE DEA14898A patent/DE968686C/de not_active Expired
- 1952-01-31 FR FR1054372D patent/FR1054372A/fr not_active Expired
- 1952-02-12 CH CH307140D patent/CH307140A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1047258B (de) * | 1952-04-10 | 1958-12-24 | Int Standard Electric Corp | Halbelektronische Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere automatische Fernsprechanlagen |
Also Published As
| Publication number | Publication date |
|---|---|
| CH307140A (fr) | 1955-05-15 |
| GB728382A (en) | 1955-04-20 |
| DE968686C (de) | 1958-03-20 |
| FR1054372A (fr) | 1954-02-10 |
| NL90098C (it) |