BE495657A - - Google Patents
Info
- Publication number
- BE495657A BE495657A BE495657DA BE495657A BE 495657 A BE495657 A BE 495657A BE 495657D A BE495657D A BE 495657DA BE 495657 A BE495657 A BE 495657A
- 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)
- Monitoring And Testing Of Exchanges (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE698177X | 1949-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE495657A true BE495657A (zh) |
Family
ID=20315396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE495657D BE495657A (zh) | 1949-05-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2683773A (zh) |
| BE (1) | BE495657A (zh) |
| DE (1) | DE822410C (zh) |
| FR (1) | FR1018534A (zh) |
| GB (1) | GB698177A (zh) |
| NL (2) | NL89374C (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB718394A (en) * | 1953-01-27 | 1954-11-10 | Automatic Telephone & Elect | Improvements in or relating to telephone systems |
| BE531215A (zh) * | 1953-08-27 | |||
| US2768240A (en) * | 1954-11-12 | 1956-10-23 | Itt | Crossbar-switch line-finder system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2034883A (en) * | 1933-10-12 | 1936-03-24 | Bell Telephone Labor Inc | Telephone system |
| GB555614A (en) * | 1942-02-27 | 1943-08-31 | Automatic Telephone & Elect | Improvements in or relating to telephone or like systems |
-
0
- NL NL676702401A patent/NL153356B/xx unknown
- BE BE495657D patent/BE495657A/xx unknown
- NL NL89374D patent/NL89374C/xx active
-
1950
- 1950-05-10 US US161144A patent/US2683773A/en not_active Expired - Lifetime
- 1950-05-14 DE DET971A patent/DE822410C/de not_active Expired
- 1950-05-17 GB GB12327/50A patent/GB698177A/en not_active Expired
- 1950-05-17 FR FR1018534D patent/FR1018534A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2683773A (en) | 1954-07-13 |
| GB698177A (en) | 1953-10-07 |
| DE822410C (de) | 1951-11-26 |
| NL89374C (zh) | |
| NL153356B (nl) | |
| FR1018534A (fr) | 1953-01-08 |