BE646742A - - Google Patents
Info
- Publication number
- BE646742A BE646742A BE646742DA BE646742A BE 646742 A BE646742 A BE 646742A BE 646742D A BE646742D A BE 646742DA BE 646742 A BE646742 A BE 646742A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR931967A FR1363982A (fr) | 1963-04-18 | 1963-04-18 | équipement d'abonné dans un système de commutation électronique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE646742A true BE646742A (US07816562-20101019-C00012.png) | 1964-10-20 |
Family
ID=8801939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE646742D BE646742A (US07816562-20101019-C00012.png) | 1963-04-18 | 1964-04-20 |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943301A (en) * | 1974-10-07 | 1976-03-09 | Ervin John W | Solid state four-wire switch for key telephones |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734944A (en) * | 1956-02-14 | Differential amplifier method of cancelling ripple pick-up | ||
| US2296920A (en) * | 1940-01-24 | 1942-09-29 | Rca Corp | Signal transmission circuit |
| BE483070A (US07816562-20101019-C00012.png) * | 1940-09-24 | |||
| US2509389A (en) * | 1945-09-11 | 1950-05-30 | Sun Oil Co | Electronic means for suppressing inphase interference |
| US3230315A (en) * | 1962-06-04 | 1966-01-18 | Itt | Two-wire switching system for fourwire circuits |
-
1963
- 1963-04-18 FR FR931967A patent/FR1363982A/fr not_active Expired
-
1964
- 1964-04-01 US US356484A patent/US3366746A/en not_active Expired - Lifetime
- 1964-04-16 CH CH491664A patent/CH431630A/fr unknown
- 1964-04-16 NL NL6404107A patent/NL6404107A/xx unknown
- 1964-04-17 GB GB15984/64A patent/GB1013620A/en not_active Expired
- 1964-04-20 BE BE646742D patent/BE646742A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6404107A (US07816562-20101019-C00012.png) | 1964-10-19 |
| CH431630A (fr) | 1967-03-15 |
| GB1013620A (en) | 1965-12-15 |
| FR1363982A (fr) | 1964-06-19 |
| US3366746A (en) | 1968-01-30 |
