BE506349A - - Google Patents
Info
- Publication number
- BE506349A BE506349A BE506349DA BE506349A BE 506349 A BE506349 A BE 506349A BE 506349D A BE506349D A BE 506349DA BE 506349 A BE506349 A BE 506349A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1025939T | 1950-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE506349A true BE506349A (US06265458-20010724-C00056.png) |
Family
ID=9579774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE506349D BE506349A (US06265458-20010724-C00056.png) | 1950-10-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2717924A (US06265458-20010724-C00056.png) |
| BE (1) | BE506349A (US06265458-20010724-C00056.png) |
| CH (1) | CH306520A (US06265458-20010724-C00056.png) |
| FR (1) | FR1025939A (US06265458-20010724-C00056.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3826874A (en) * | 1973-04-19 | 1974-07-30 | Air Land Syst | Method and apparatus for effecting jump hunting in step-by-step telephone switching systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1542977A (en) * | 1923-04-30 | 1925-06-23 | Western Electric Co | Telephone-exchange system |
| US1799175A (en) * | 1927-02-25 | 1931-04-07 | Merk Friedrich | Automatic telephone system |
| US2070909A (en) * | 1934-02-13 | 1937-02-16 | Siemens Ag | Telephone system |
| GB451512A (en) * | 1935-02-06 | 1936-08-06 | Automatic Electric Co Ltd | Improvements in or relating to telephone systems |
| GB479852A (en) * | 1936-08-11 | 1938-02-11 | Automatic Electric Co Ltd | Improvements in or relating to automatic or semi-automatic telephone systems |
| US2267987A (en) * | 1938-12-19 | 1941-12-30 | Associated Electric Lab Inc | Signaling system |
-
0
- BE BE506349D patent/BE506349A/xx unknown
-
1950
- 1950-10-13 FR FR1025939D patent/FR1025939A/fr not_active Expired
-
1951
- 1951-10-10 US US250659A patent/US2717924A/en not_active Expired - Lifetime
- 1951-10-13 CH CH306520D patent/CH306520A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1025939A (fr) | 1953-04-21 |
| CH306520A (fr) | 1955-04-15 |
| US2717924A (en) | 1955-09-13 |
