BE504685A - - Google Patents
Info
- Publication number
- BE504685A BE504685A BE504685DA BE504685A BE 504685 A BE504685 A BE 504685A BE 504685D A BE504685D A BE 504685DA BE 504685 A BE504685 A BE 504685A
- 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)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL304206X | 1950-08-08 | ||
| NL111050X | 1950-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504685A true BE504685A (es) |
Family
ID=26643438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504685D BE504685A (es) | 1950-08-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2780674A (es) |
| BE (1) | BE504685A (es) |
| CH (1) | CH304206A (es) |
| DE (1) | DE885872C (es) |
| FR (1) | FR1046700A (es) |
| GB (1) | GB707760A (es) |
| NL (1) | NL78088C (es) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE516931A (es) * | 1952-01-16 | |||
| GB765929A (en) * | 1952-01-16 | 1957-01-16 | Automatic Telephone & Elect | Improvements in or relating to telecommunication systems |
| US2876285A (en) * | 1953-02-02 | 1959-03-03 | Bell Telephone Labor Inc | Transistor switching network for communication system |
| BE537739A (es) * | 1954-04-29 | |||
| US2976365A (en) * | 1954-09-10 | 1961-03-21 | Bell Telephone Labor Inc | Automatic telephone traffic recorder employing magnetic tape |
| US2905765A (en) * | 1955-08-17 | 1959-09-22 | Treskinsky Alexius | Automatic switch method and system for telephones |
| BE546556A (es) * | 1955-04-28 | |||
| NL98962C (es) * | 1956-08-16 | |||
| BE561192A (es) * | 1956-10-19 | |||
| BE560605A (es) * | 1956-10-19 | |||
| NL93779C (es) * | 1956-12-20 | |||
| NL112697C (es) * | 1957-09-26 | |||
| BE623647A (es) * | 1960-03-23 | 1900-01-01 | ||
| US3175189A (en) * | 1960-06-06 | 1965-03-23 | Motorola Inc | Random sequence switching system with lockout means |
| US3593288A (en) * | 1968-08-02 | 1971-07-13 | Lanier Electronic Lab Inc | Voice dictation-transcription station |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2023589A (en) * | 1934-05-26 | 1935-12-10 | Bell Telephone Labor Inc | Switching mechanism |
| US2152889A (en) * | 1935-05-31 | 1939-04-04 | Panstwowe Zaklady Tele I Radjo | Telephone system |
| GB567864A (en) * | 1943-08-31 | 1945-03-06 | Standard Telephones Cables Ltd | Improvements in or relating to telecommunication exchange systems |
| US2576097A (en) * | 1945-07-23 | 1951-11-27 | Int Standard Electric Corp | Automatic telephone selective switching system |
| US2542672A (en) * | 1948-10-27 | 1951-02-20 | Bell Telephone Labor Inc | Coordinate selecting and lockout circuit |
| BE507632A (es) * | 1950-12-19 |
-
0
- NL NL78088D patent/NL78088C/xx active
- BE BE504685D patent/BE504685A/xx unknown
-
1951
- 1951-07-17 FR FR1046700D patent/FR1046700A/fr not_active Expired
- 1951-07-19 US US237514A patent/US2780674A/en not_active Expired - Lifetime
- 1951-08-03 GB GB18405/51A patent/GB707760A/en not_active Expired
- 1951-08-05 DE DEN4262A patent/DE885872C/de not_active Expired
- 1951-08-06 CH CH304206D patent/CH304206A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL78088C (es) | |
| US2780674A (en) | 1957-02-05 |
| FR1046700A (fr) | 1953-12-08 |
| GB707760A (en) | 1954-04-21 |
| CH304206A (de) | 1954-12-31 |
| DE885872C (de) | 1953-08-10 |