NL104061C - - Google Patents
Info
- Publication number
- NL104061C NL104061C NL104061DA NL104061C NL 104061 C NL104061 C NL 104061C NL 104061D A NL104061D A NL 104061DA NL 104061 C NL104061 C NL 104061C
- Authority
- NL
- Netherlands
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)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US504433A US2944114A (en) | 1955-04-28 | 1955-04-28 | Communication switching system employing gas tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
NL104061C true NL104061C (pt) |
Family
ID=24006237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL104061D NL104061C (pt) | 1955-04-28 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2944114A (pt) |
BE (1) | BE546556A (pt) |
DE (1) | DE1037523B (pt) |
FR (1) | FR1147140A (pt) |
GB (1) | GB788837A (pt) |
NL (1) | NL104061C (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3711834A (en) * | 1971-03-29 | 1973-01-16 | Gen Dynamics Corp | Matrix switch having isolation resistors |
US3713105A (en) * | 1971-03-29 | 1973-01-23 | Gen Dynamics Corp | Wide-band, high-frequency matrix switch |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2291752A (en) * | 1941-02-05 | 1942-08-04 | Bell Telephone Labor Inc | Selecting system |
US2676210A (en) * | 1948-08-11 | 1954-04-20 | Hartford Nat Bank & Trust Co | Potential comparing selector circuit |
NL78088C (pt) * | 1950-08-08 | |||
BE507632A (pt) * | 1950-12-19 | |||
US2769865A (en) * | 1951-02-20 | 1956-11-06 | Automatic Elect Lab | Electronic telephone systems |
US2722567A (en) * | 1951-02-23 | 1955-11-01 | Automatic Telephone & Elect | Electronic tube switching system |
US2787666A (en) * | 1954-07-07 | 1957-04-02 | Siemens Brothers & Co Ltd | Automatic selecting systems |
-
0
- NL NL104061D patent/NL104061C/xx active
- BE BE546556D patent/BE546556A/xx unknown
-
1955
- 1955-04-28 US US504433A patent/US2944114A/en not_active Expired - Lifetime
-
1956
- 1956-02-27 FR FR1147140D patent/FR1147140A/fr not_active Expired
- 1956-03-22 DE DEW18706A patent/DE1037523B/de active Pending
- 1956-04-27 GB GB12992/56A patent/GB788837A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1037523B (de) | 1958-08-28 |
US2944114A (en) | 1960-07-05 |
BE546556A (pt) | |
FR1147140A (fr) | 1957-11-19 |
GB788837A (en) | 1958-01-08 |