BE527998A - - Google Patents
Info
- Publication number
- BE527998A BE527998A BE527998DA BE527998A BE 527998 A BE527998 A BE 527998A BE 527998D A BE527998D A BE 527998DA BE 527998 A BE527998 A BE 527998A
- 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)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US351796A US2816961A (en) | 1953-04-29 | 1953-04-29 | Telephone system employing impulse responsive cross bar switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE527998A true BE527998A (en:Method) |
Family
ID=23382435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE527998D BE527998A (en:Method) | 1953-04-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2816961A (en:Method) |
| BE (1) | BE527998A (en:Method) |
| DE (1) | DE1000873B (en:Method) |
| FR (1) | FR1103438A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725428A (en) * | 1953-01-06 | 1955-11-29 | Itt | Multi-group primary-secondary-spread crossbar telephone system |
| US3141067A (en) * | 1960-11-17 | 1964-07-14 | Lester M Spandorfer | Automatic electronic communication switching exchange |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR962487A (en:Method) * | 1947-02-07 | 1950-06-10 | ||
| US2679552A (en) * | 1949-05-06 | 1954-05-25 | Ericsson Telefon Ab L M | Cross-bar switch system with several markers |
| BE516944A (en:Method) * | 1952-01-16 |
-
0
- BE BE527998D patent/BE527998A/xx unknown
-
1953
- 1953-04-29 US US351796A patent/US2816961A/en not_active Expired - Lifetime
-
1954
- 1954-04-07 FR FR1103438D patent/FR1103438A/fr not_active Expired
- 1954-04-21 DE DEA20156A patent/DE1000873B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US2816961A (en) | 1957-12-17 |
| FR1103438A (fr) | 1955-11-03 |
| DE1000873B (de) | 1957-01-17 |