BE516931A - - Google Patents
Info
- Publication number
- BE516931A BE516931A BE516931DA BE516931A BE 516931 A BE516931 A BE 516931A BE 516931D A BE516931D A BE 516931DA BE 516931 A BE516931 A BE 516931A
- 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)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Adhesive Tapes (AREA)
- Paper Feeding For Electrophotography (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 |
---|---|---|---|
GB1243/52A GB765925A (en) | 1952-01-16 | 1952-01-16 | Improvements in or relating to telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BE516931A true BE516931A (zh) |
Family
ID=9718601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE516931D BE516931A (zh) | 1952-01-16 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2882342A (zh) |
BE (1) | BE516931A (zh) |
DE (1) | DE926918C (zh) |
FR (1) | FR1073530A (zh) |
GB (1) | GB765925A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1133024A (fr) * | 1955-07-12 | 1957-03-20 | Constr Telephoniques | Perfectionnements aux systèmes téléphoniques |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2326478A (en) * | 1942-02-17 | 1943-08-10 | Bell Telephone Labor Inc | Selection system |
US2317471A (en) * | 1942-02-17 | 1943-04-27 | Bell Telephone Labor Inc | Selection system |
US2693534A (en) * | 1944-09-22 | 1954-11-02 | Bertram Sidney | Multi-channel electronic switch |
US2688078A (en) * | 1946-02-21 | 1954-08-31 | Us Navy | Multivibrator |
US2543534A (en) * | 1947-01-09 | 1951-02-27 | Stromberg Carlson Co | Automatic telephone system |
FR973819A (zh) * | 1947-10-29 | 1951-02-15 | ||
US2518022A (en) * | 1948-09-30 | 1950-08-08 | Bell Telephone Labor Inc | Translator |
US2773937A (en) * | 1949-12-24 | 1956-12-11 | Gen Dynamics Corp | Electronic signaling and switching system |
US2709771A (en) * | 1949-12-30 | 1955-05-31 | Bell Telephone Labor Inc | Pulse counting and registration system |
NL78088C (zh) * | 1950-08-08 | |||
US2693593A (en) * | 1950-08-19 | 1954-11-02 | Remington Rand Inc | Decoding circuit |
US2747021A (en) * | 1950-09-21 | 1956-05-22 | Gen Electric Co Ltd | Telecommunication systems embodying automatic exchanges |
BE510260A (zh) * | 1951-03-28 | |||
US2698382A (en) * | 1951-03-30 | 1954-12-28 | Jr Kenneth M Uglow | Electronic switching method |
NL165037B (nl) * | 1951-10-30 | Kumiai Chemical Industry Co | Werkwijze voor het bereiden van een preparaat met herbicide werking. | |
US2683806A (en) * | 1952-03-31 | 1954-07-13 | Ca Nat Research Council | Discriminator circuit |
-
0
- BE BE516931D patent/BE516931A/xx unknown
-
1952
- 1952-01-16 GB GB1243/52A patent/GB765925A/en not_active Expired
-
1953
- 1953-01-12 US US330638A patent/US2882342A/en not_active Expired - Lifetime
- 1953-01-16 FR FR1073530D patent/FR1073530A/fr not_active Expired
- 1953-01-16 DE DEA17283A patent/DE926918C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE926918C (de) | 1955-04-25 |
GB765925A (en) | 1957-01-16 |
FR1073530A (fr) | 1954-09-27 |
US2882342A (en) | 1959-04-14 |