FR996361A - - Google Patents
Info
- Publication number
- FR996361A FR996361A FR996361DA FR996361A FR 996361 A FR996361 A FR 996361A FR 996361D A FR996361D A FR 996361DA FR 996361 A FR996361 A FR 996361A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56363A US2635147A (en) | 1948-10-25 | 1948-10-25 | Telephone selector switch utilizing odd-even relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR996361A true FR996361A (pt-PT) | 1951-12-17 |
Family
ID=22003897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR996361D Expired FR996361A (pt-PT) | 1948-10-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2635147A (pt-PT) |
| FR (1) | FR996361A (pt-PT) |
| GB (1) | GB683893A (pt-PT) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721902A (en) * | 1951-12-26 | 1955-10-25 | Gen Dynamics Corp | Selector circuit |
| US2725427A (en) * | 1952-05-03 | 1955-11-29 | Gen Dynamics Corp | Trunking arrangement for telecommunication system |
| BE527777A (pt-PT) * | 1953-04-27 | |||
| US2810788A (en) * | 1953-05-11 | 1957-10-22 | Gen Telephone Lab Inc | Telephone system using single-motion numerical switches |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1569936A (en) * | 1923-10-24 | 1926-01-19 | American Telephone & Telegraph | Machine-switching system |
| US1849694A (en) * | 1930-01-23 | 1932-03-15 | Associated Electric Lab Inc | Automatic telephone system |
| GB355924A (en) * | 1930-08-07 | 1931-09-03 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| US1924661A (en) * | 1931-05-04 | 1933-08-29 | Ass Telephone & Telegraph Co | Telephone system |
| GB378586A (en) * | 1931-06-13 | 1932-08-18 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| FR744372A (pt-PT) * | 1931-11-09 | 1933-04-19 | ||
| US2090522A (en) * | 1934-04-04 | 1937-08-17 | Gen Electric | Electrical control device |
| NL63264C (pt-PT) * | 1940-04-11 | |||
| US2294907A (en) * | 1941-01-17 | 1942-09-08 | Bell Telephone Labor Inc | Telephone system |
| GB571520A (en) * | 1944-01-12 | 1945-08-28 | Siemens Brothers & Co Ltd | Improvements relating to electric selective signalling systems |
| GB578984A (en) * | 1945-01-01 | 1946-07-18 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| US2458262A (en) * | 1946-01-30 | 1949-01-04 | Automatic Elect Lab | Relay selector circuit arranged to simultaneously test a selected group of trunks |
-
0
- FR FR996361D patent/FR996361A/fr not_active Expired
-
1948
- 1948-10-25 US US56363A patent/US2635147A/en not_active Expired - Lifetime
-
1949
- 1949-09-12 GB GB23518/49A patent/GB683893A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB683893A (en) | 1952-12-10 |
| US2635147A (en) | 1953-04-14 |