BE467114A - - Google Patents
Info
- Publication number
- BE467114A BE467114A BE467114DA BE467114A BE 467114 A BE467114 A BE 467114A BE 467114D A BE467114D A BE 467114DA BE 467114 A BE467114 A BE 467114A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US545928A US2377562A (en) | 1944-07-21 | 1944-07-21 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE467114A true BE467114A (US07321065-20080122-C00020.png) |
Family
ID=24178107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467114D BE467114A (US07321065-20080122-C00020.png) | 1944-07-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2377562A (US07321065-20080122-C00020.png) |
| BE (1) | BE467114A (US07321065-20080122-C00020.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2871303A (en) * | 1954-04-06 | 1959-01-27 | Riva Antonio Da | Telephone intercommunication system having means for interconnecting any two stations |
| US2850579A (en) * | 1954-05-12 | 1958-09-02 | Bell Telephone Labor Inc | Subscriber's key telephone station and signaling circuit |
| BE539028A (US07321065-20080122-C00020.png) * | 1954-08-23 | |||
| BE563969A (US07321065-20080122-C00020.png) * | 1957-01-14 |
-
0
- BE BE467114D patent/BE467114A/xx unknown
-
1944
- 1944-07-21 US US545928A patent/US2377562A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2377562A (en) | 1945-06-05 |
