FR2234728B3 - - Google Patents
Info
- Publication number
- FR2234728B3 FR2234728B3 FR7403563A FR7403563A FR2234728B3 FR 2234728 B3 FR2234728 B3 FR 2234728B3 FR 7403563 A FR7403563 A FR 7403563A FR 7403563 A FR7403563 A FR 7403563A FR 2234728 B3 FR2234728 B3 FR 2234728B3
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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)
- Electronic Switches (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US372225A US3865979A (en) | 1973-06-21 | 1973-06-21 | Matrix control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2234728A1 FR2234728A1 (US20030199744A1-20031023-C00003.png) | 1975-01-17 |
| FR2234728B3 true FR2234728B3 (US20030199744A1-20031023-C00003.png) | 1976-11-26 |
Family
ID=23467231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7403563A Expired FR2234728B3 (US20030199744A1-20031023-C00003.png) | 1973-06-21 | 1974-01-29 |
Country Status (8)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5199408A (US20030199744A1-20031023-C00003.png) * | 1975-02-28 | 1976-09-02 | Hitachi Ltd | |
| JPS52109315A (en) * | 1976-03-10 | 1977-09-13 | Hitachi Ltd | Channel system controlling method |
| US4057711A (en) * | 1976-03-17 | 1977-11-08 | Electronic Associates, Inc. | Analog switching system with fan-out |
| US4132868A (en) * | 1977-04-11 | 1979-01-02 | Entel Corporation | PABX System providing multiple paths held between calling line circuits and a plurality of output circuits |
| JPS5592918A (en) * | 1979-01-05 | 1980-07-14 | Nissan Motor Co Ltd | Information transfer system |
| US4417245A (en) * | 1981-09-02 | 1983-11-22 | International Business Machines Corp. | Digital space division exchange |
| US4803720A (en) * | 1986-09-22 | 1989-02-07 | International Business Machines Corporation | Dual plane cross point switch architecture for a micro-PBX |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251036A (en) * | 1962-10-01 | 1966-05-10 | Hughes Aircraft Co | Electrical crossbar switching matrix having gate electrode controlled rectifier cross points |
| US3531773A (en) * | 1968-02-26 | 1970-09-29 | Electronic Communications | Three stage switching matrix |
| FR1599704A (US20030199744A1-20031023-C00003.png) * | 1968-05-03 | 1970-07-20 | ||
| US3573384A (en) * | 1968-09-13 | 1971-04-06 | Itt | Electronic crosspoint switching array |
| US3585310A (en) * | 1968-12-23 | 1971-06-15 | Stromberg Carlson Corp | Telephone switching system |
| AU2587971A (en) * | 1970-03-13 | 1972-08-31 | TELETTRA LABORATORY DI TELEFONICA ELETTRONICA E RADIOS. Pa | System and device tomake electronic semiconductors crosspoints |
| US3646368A (en) * | 1970-07-09 | 1972-02-29 | Automatic Elect Lab | Checking for undesirable multiplicity of matrix paths |
| US3694812A (en) * | 1971-08-20 | 1972-09-26 | Nippon Electric Co | Switching circuit having a controllable semiconductor switching element and a switching matrix employing the switching circuit |
-
1973
- 1973-06-21 US US372225A patent/US3865979A/en not_active Expired - Lifetime
- 1973-11-21 SE SE7315765A patent/SE7315765L/ unknown
- 1973-12-10 NL NL7316872A patent/NL7316872A/xx unknown
- 1973-12-21 DE DE2364147A patent/DE2364147A1/de active Pending
- 1973-12-21 GB GB5934273A patent/GB1456250A/en not_active Expired
-
1974
- 1974-01-09 IT IT47605/74A patent/IT1008680B/it active
- 1974-01-29 FR FR7403563A patent/FR2234728B3/fr not_active Expired
- 1974-01-31 JP JP49012302A patent/JPS5058913A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7316872A (US20030199744A1-20031023-C00003.png) | 1974-12-24 |
| JPS5058913A (US20030199744A1-20031023-C00003.png) | 1975-05-22 |
| IT1008680B (it) | 1976-11-30 |
| SE7315765L (US20030199744A1-20031023-C00003.png) | 1974-12-23 |
| DE2364147A1 (de) | 1975-01-16 |
| FR2234728A1 (US20030199744A1-20031023-C00003.png) | 1975-01-17 |
| US3865979A (en) | 1975-02-11 |
| GB1456250A (en) | 1976-11-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |