BE657024A - - Google Patents
Info
- Publication number
- BE657024A BE657024A BE657024DA BE657024A BE 657024 A BE657024 A BE 657024A BE 657024D A BE657024D A BE 657024DA BE 657024 A BE657024 A BE 657024A
- 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
-
- 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)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US332003A US3306983A (en) | 1963-12-20 | 1963-12-20 | Call transfer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE657024A true BE657024A (de) | 1965-04-01 |
Family
ID=23296287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE657024D BE657024A (de) | 1963-12-20 | 1964-12-11 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3306983A (de) |
| JP (1) | JPS413082B1 (de) |
| BE (1) | BE657024A (de) |
| DE (1) | DE1264528B (de) |
| FR (1) | FR1421666A (de) |
| GB (1) | GB1084099A (de) |
| NL (1) | NL148470B (de) |
| SE (1) | SE311184B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3499117A (en) * | 1967-05-19 | 1970-03-03 | Communication Equipment & Eng | Remote operator coin control using multi-frequency tones |
| US3748396A (en) * | 1971-04-14 | 1973-07-24 | Itt | Direct inward dialing trunk circuit |
| FR2190327A6 (de) * | 1972-06-16 | 1974-01-25 | Cit Alcatel | |
| CA2102092C (en) * | 1992-12-21 | 1997-05-06 | Steven Lloyd Greenspan | Call transfer with automatic return |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE707158C (de) * | 1933-02-15 | 1941-07-02 | Siemens & Halske Akt Ges | Schaltungsanordnung zur Herstellung von Rueckfrageverbindungen in Fernsprechanlagen mit mehreren Vermittlungsstellen |
| NL52553C (de) * | 1936-09-28 | |||
| US3041406A (en) * | 1959-12-14 | 1962-06-26 | Gen Dynamics Corp | Inward dialing to private branch exchange |
| US3221108A (en) * | 1962-10-15 | 1965-11-30 | Itt | Electronic private branch exchange |
-
0
- GB GB1084099D patent/GB1084099A/en active Active
-
1963
- 1963-12-20 US US332003A patent/US3306983A/en not_active Expired - Lifetime
-
1964
- 1964-12-03 NL NL646414039A patent/NL148470B/xx unknown
- 1964-12-04 FR FR997548A patent/FR1421666A/fr not_active Expired
- 1964-12-04 JP JP6785864A patent/JPS413082B1/ja active Pending
- 1964-12-11 BE BE657024D patent/BE657024A/xx unknown
- 1964-12-17 DE DEW38185A patent/DE1264528B/de not_active Withdrawn
- 1964-12-18 SE SE15342/64A patent/SE311184B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL148470B (nl) | 1976-01-15 |
| DE1264528B (de) | 1968-03-28 |
| SE311184B (de) | 1969-06-02 |
| US3306983A (en) | 1967-02-28 |
| FR1421666A (fr) | 1965-12-17 |
| GB1084099A (de) | |
| JPS413082B1 (de) | 1966-02-24 |
| NL6414039A (de) | 1965-06-21 |