BE468415A - - Google Patents
Info
- Publication number
- BE468415A BE468415A BE468415DA BE468415A BE 468415 A BE468415 A BE 468415A BE 468415D A BE468415D A BE 468415DA BE 468415 A BE468415 A BE 468415A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
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 |
|---|---|---|---|
| DK2468040X | 1939-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE468415A true BE468415A (pt) |
Family
ID=8158428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468415D BE468415A (pt) | 1939-11-23 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2468040A (pt) |
| BE (1) | BE468415A (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE622308A (pt) * | 1961-09-11 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1627930A (en) * | 1927-05-10 | richardson |
-
0
- BE BE468415D patent/BE468415A/xx unknown
-
1943
- 1943-04-13 US US482901A patent/US2468040A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2468040A (en) | 1949-04-26 |