BE534037A - - Google Patents
Info
- Publication number
- BE534037A BE534037A BE534037DA BE534037A BE 534037 A BE534037 A BE 534037A BE 534037D A BE534037D A BE 534037DA BE 534037 A BE534037 A BE 534037A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US397629A US2864890A (en) | 1953-12-11 | 1953-12-11 | Auto-selecting cross-bar telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE534037A true BE534037A (sk) |
Family
ID=23571991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE534037D BE534037A (sk) | 1953-12-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2864890A (sk) |
| BE (1) | BE534037A (sk) |
| FR (1) | FR1117512A (sk) |
| GB (1) | GB762840A (sk) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735893A (en) * | 1956-02-21 | le gourrierec | ||
| US2468300A (en) * | 1945-08-14 | 1949-04-26 | Bell Telephone Labor Inc | Automatic telephone system |
| US2587817A (en) * | 1948-12-31 | 1952-03-04 | Bell Telephone Labor Inc | Telephone system |
| US2674657A (en) * | 1949-04-04 | 1954-04-06 | Itt | Primary-secondary-spread crossbar telephone system |
-
0
- BE BE534037D patent/BE534037A/xx unknown
-
1953
- 1953-12-11 US US397629A patent/US2864890A/en not_active Expired - Lifetime
-
1954
- 1954-12-10 GB GB35842/54A patent/GB762840A/en not_active Expired
- 1954-12-11 FR FR1117512D patent/FR1117512A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1117512A (fr) | 1956-05-23 |
| US2864890A (en) | 1958-12-16 |
| GB762840A (en) | 1956-12-05 |