BE672838A - - Google Patents
Info
- Publication number
- BE672838A BE672838A BE672838DA BE672838A BE 672838 A BE672838 A BE 672838A BE 672838D A BE672838D A BE 672838DA BE 672838 A BE672838 A BE 672838A
- Authority
- BE
- Belgium
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)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US415319A US3377433A (en) | 1964-12-02 | 1964-12-02 | Switching system arrangement for providing multiple switching network line appearances without preassignment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE672838A true BE672838A (en:Method) | 1966-03-16 |
Family
ID=23645226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE672838D BE672838A (en:Method) | 1964-12-02 | 1965-11-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3377433A (en:Method) |
| BE (1) | BE672838A (en:Method) |
| DE (1) | DE1269672B (en:Method) |
| FR (1) | FR1464196A (en:Method) |
| GB (1) | GB1127906A (en:Method) |
| SE (1) | SE317413B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1280339C2 (de) * | 1965-11-27 | 1976-05-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung fuer fernsprechvermittlungsanlagen zum aufbau von dreierverbindungen |
| US3497631A (en) * | 1966-08-05 | 1970-02-24 | Stromberg Carlson Corp | Add-on conference trunk |
| US3542962A (en) * | 1968-03-11 | 1970-11-24 | Bell Telephone Labor Inc | Switching system with station controlled class of service |
| US8208410B1 (en) | 2005-02-28 | 2012-06-26 | Radvision Ltd. | Systems and methods for implementing call waiting in multimedia devices |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803706A (en) * | 1955-09-20 | 1957-08-20 | American Telephone & Telegraph | Trunk circuit |
| US3144517A (en) * | 1960-10-27 | 1964-08-11 | Bell Telephone Labor Inc | Add-on circuit for step-by-step systems |
| BE629372A (en:Method) * | 1962-03-08 | |||
| NL302191A (en:Method) * | 1962-03-22 | |||
| US3231678A (en) * | 1962-06-25 | 1966-01-25 | Bell Telephone Labor Inc | Subscriber controlled conference circuit |
-
1964
- 1964-12-02 US US415319A patent/US3377433A/en not_active Expired - Lifetime
-
1965
- 1965-11-25 BE BE672838D patent/BE672838A/xx not_active IP Right Cessation
- 1965-11-30 SE SE15502/65D patent/SE317413B/xx unknown
- 1965-12-01 DE DEP1269A patent/DE1269672B/de active Pending
- 1965-12-01 GB GB50912/65A patent/GB1127906A/en not_active Expired
- 1965-12-02 FR FR40645A patent/FR1464196A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1127906A (en) | 1968-09-18 |
| US3377433A (en) | 1968-04-09 |
| FR1464196A (fr) | 1966-12-30 |
| DE1269672B (de) | 1968-06-06 |
| SE317413B (en:Method) | 1969-11-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19841125 |