FR961407A - - Google Patents
Info
- Publication number
- FR961407A FR961407A FR961407DA FR961407A FR 961407 A FR961407 A FR 961407A FR 961407D A FR961407D A FR 961407DA FR 961407 A FR961407 A FR 961407A
- 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
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Facsimiles In General (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US140022A US2161376A (en) | 1937-04-30 | 1937-04-30 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR961407A true FR961407A (xx) | 1950-05-11 |
Family
ID=22489366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR961407D Expired FR961407A (xx) | 1937-04-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US2161376A (xx) |
| FR (1) | FR961407A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2633500A (en) * | 1947-04-03 | 1953-03-31 | Int Standard Electric Corp | Cordless switchboard telecommunication exchange |
| US2633499A (en) * | 1947-04-03 | 1953-03-31 | Int Standard Electric Corp | Telecommunication switching system |
| BE519001A (xx) * | 1952-04-08 |
-
0
- FR FR961407D patent/FR961407A/fr not_active Expired
- US US22462D patent/USRE22462E/en not_active Expired
-
1937
- 1937-04-30 US US140022A patent/US2161376A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| USRE22462E (en) | 1944-03-28 |
| US2161376A (en) | 1939-06-06 |