BE496497A - - Google Patents
Info
- Publication number
- BE496497A BE496497A BE496497DA BE496497A BE 496497 A BE496497 A BE 496497A BE 496497D A BE496497D A BE 496497DA BE 496497 A BE496497 A BE 496497A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
-
- 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)
- Exchange Systems With Centralized Control (AREA)
- Structure Of Telephone Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR861422X | 1949-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496497A true BE496497A (zh) |
Family
ID=9339808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496497D BE496497A (zh) | 1949-06-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2667540A (zh) |
| BE (1) | BE496497A (zh) |
| CH (1) | CH312454A (zh) |
| DE (1) | DE861422C (zh) |
| FR (1) | FR1014172A (zh) |
| GB (3) | GB754652A (zh) |
| NL (2) | NL154534B (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL176798B (nl) * | 1953-03-12 | Nuovo Pignone Spa | Machine voor het vervaardigen van textielprodukten. | |
| BE528313A (zh) * | 1953-04-24 | 1900-01-01 | ||
| FR81226E (zh) * | 1959-05-29 | 1963-12-06 | ||
| NL111844C (zh) * | 1959-10-20 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1631506A (en) * | 1922-09-11 | 1927-06-07 | Automatic Electric Inc | Automatic switch |
| GB320938A (en) * | 1928-07-26 | 1929-10-28 | Automatio Telephone Mfg Compan | Improvements in or relating to telephone systems |
| FR882420A (zh) * | 1941-06-10 | 1943-06-18 | ||
| US2504274A (en) * | 1945-04-16 | 1950-04-18 | Ericsson Telefon Ab L M | System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines |
-
0
- NL NL88314D patent/NL88314C/xx active
- BE BE496497D patent/BE496497A/xx unknown
- NL NL696900748A patent/NL154534B/xx unknown
-
1949
- 1949-06-30 FR FR1014172D patent/FR1014172A/fr not_active Expired
-
1950
- 1950-01-16 GB GB1093/50A patent/GB754652A/en not_active Expired
- 1950-01-16 GB GB4997/56A patent/GB754702A/en not_active Expired
- 1950-01-16 GB GB1498/52A patent/GB754655A/en not_active Expired
- 1950-06-14 US US168071A patent/US2667540A/en not_active Expired - Lifetime
- 1950-06-30 DE DEI1452A patent/DE861422C/de not_active Expired
- 1950-06-30 CH CH312454D patent/CH312454A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB754652A (en) | 1956-08-08 |
| NL88314C (zh) | |
| FR1014172A (fr) | 1952-08-11 |
| US2667540A (en) | 1954-01-26 |
| CH312454A (fr) | 1955-12-31 |
| GB754702A (en) | 1956-08-08 |
| GB754655A (en) | 1956-08-08 |
| DE861422C (de) | 1953-01-05 |
| NL154534B (nl) |