NL131066C - - Google Patents
Info
- Publication number
- NL131066C NL131066C NL131066DA NL131066C NL 131066 C NL131066 C NL 131066C NL 131066D A NL131066D A NL 131066DA NL 131066 C NL131066 C NL 131066C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
-
- 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)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US782419A US2976367A (en) | 1958-12-23 | 1958-12-23 | Two-stage line concentrator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL131066C true NL131066C (fr) |
Family
ID=25125992
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL246739D NL246739A (fr) | 1958-12-23 | ||
| NL131066D NL131066C (fr) | 1958-12-23 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL246739D NL246739A (fr) | 1958-12-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2976367A (fr) |
| BE (1) | BE585754A (fr) |
| DE (1) | DE1215217B (fr) |
| FR (1) | FR1246426A (fr) |
| GB (1) | GB865354A (fr) |
| NL (2) | NL131066C (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123674A (en) * | 1964-03-03 | jdsti | ||
| US3114007A (en) * | 1959-07-01 | 1963-12-10 | Bell Telephone Labor Inc | Supervisory circuit |
| US3129292A (en) * | 1960-12-29 | 1964-04-14 | Bell Telephone Labor Inc | Distributed telephone line concentrator system |
| US3129291A (en) * | 1960-12-29 | 1964-04-14 | Bell Telephone Labor Inc | Remote distributed telephone line concentrator |
| US3217107A (en) * | 1961-02-27 | 1965-11-09 | Automatic Elect Lab | Line concentrator and signaling system therefor |
| NL268996A (fr) * | 1961-03-29 | |||
| US3235666A (en) * | 1962-06-29 | 1966-02-15 | Bell Telephone Labor Inc | Universal telephone line concentrator system |
| US3626805A (en) * | 1969-10-16 | 1971-12-14 | Lewis D Shiplee | Modification assembly for changing semiautomatic firearms selectively into fully automatic firearms |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB541415A (en) * | 1940-05-25 | 1941-11-26 | Albert James Stuart | Improvements relating to telephone exchanges and electrical interconnecting means therefor |
| GB782875A (fr) * | 1954-09-30 | |||
| BE561159A (fr) * | 1956-09-28 |
-
0
- NL NL246739D patent/NL246739A/xx unknown
- NL NL131066D patent/NL131066C/xx active
-
1958
- 1958-12-23 US US782419A patent/US2976367A/en not_active Expired - Lifetime
-
1959
- 1959-12-14 GB GB42418/59A patent/GB865354A/en not_active Expired
- 1959-12-17 DE DEW26900A patent/DE1215217B/de active Pending
- 1959-12-17 BE BE585754A patent/BE585754A/fr unknown
- 1959-12-18 FR FR813524A patent/FR1246426A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB865354A (en) | 1961-04-12 |
| NL246739A (fr) | |
| US2976367A (en) | 1961-03-21 |
| BE585754A (fr) | 1960-04-19 |
| DE1215217B (de) | 1966-04-28 |
| FR1246426A (fr) | 1960-11-18 |