GB1536452A - Electronic telephone switching equipment - Google Patents
Electronic telephone switching equipmentInfo
- Publication number
- GB1536452A GB1536452A GB16028/76A GB1602876A GB1536452A GB 1536452 A GB1536452 A GB 1536452A GB 16028/76 A GB16028/76 A GB 16028/76A GB 1602876 A GB1602876 A GB 1602876A GB 1536452 A GB1536452 A GB 1536452A
- Authority
- GB
- United Kingdom
- Prior art keywords
- subscriber
- column
- control unit
- cross
- circuit
- Prior art date
- 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
- 239000004020 conductor Substances 0.000 abstract 10
- 239000011159 matrix material Substances 0.000 abstract 7
- 230000004913 activation Effects 0.000 abstract 4
- 101001120260 Homo sapiens Polyadenylate-binding protein 1 Proteins 0.000 abstract 1
- 102100026090 Polyadenylate-binding protein 1 Human genes 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- AVKUERGKIZMTKX-NJBDSQKTSA-N ampicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=CC=C1 AVKUERGKIZMTKX-NJBDSQKTSA-N 0.000 abstract 1
- 230000008520 organization Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
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)
- Devices For Supply Of Signal Current (AREA)
- Exchange Systems With Centralized Control (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 |
|---|---|---|---|
| FR7512285A FR2309102A1 (fr) | 1975-04-21 | 1975-04-21 | Perfectionnements aux autocommutateurs electroniques prives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1536452A true GB1536452A (en) | 1978-12-20 |
Family
ID=9154220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16028/76A Expired GB1536452A (en) | 1975-04-21 | 1976-04-21 | Electronic telephone switching equipment |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4088840A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS51139711A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2616658A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2309102A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1536452A (cg-RX-API-DMAC7.html) |
| RO (1) | RO76695A (cg-RX-API-DMAC7.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2419625A1 (fr) * | 1978-03-07 | 1979-10-05 | Labo Cent Telecommunicat | Dispositif de protection contre les surtensions de ligne telephonique |
| US7263078B2 (en) * | 2002-12-18 | 2007-08-28 | Microsoft Corporation | Method and apparatus for scanning in wireless computing devices |
| US7996505B2 (en) | 2003-10-24 | 2011-08-09 | Microsoft Corporation | Network and interface selection on a computing device capable of establishing connections via multiple network communications media |
| US7610057B2 (en) * | 2004-04-23 | 2009-10-27 | Microsoft Corporation | Selecting a wireless networking technology on a device capable of carrying out wireless network communications via multiple wireless technologies |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3141067A (en) * | 1960-11-17 | 1964-07-14 | Lester M Spandorfer | Automatic electronic communication switching exchange |
| NL280289A (cg-RX-API-DMAC7.html) * | 1961-06-29 | |||
| US3786194A (en) * | 1971-06-04 | 1974-01-15 | Int Standard Electric Corp | Telephone system employing electronic matrix |
| 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 |
| US3881066A (en) * | 1974-01-02 | 1975-04-29 | Gte Automatic Electric Lab Inc | DC Signaling method for solid-state crosspoint networks |
| US3943297A (en) * | 1974-01-09 | 1976-03-09 | Stromberg-Carlson Corporation | Electronic private automatic branch exchange |
-
1975
- 1975-04-21 FR FR7512285A patent/FR2309102A1/fr active Granted
- 1975-08-15 RO RO7583169A patent/RO76695A/ro unknown
-
1976
- 1976-04-15 DE DE19762616658 patent/DE2616658A1/de not_active Withdrawn
- 1976-04-20 JP JP51045310A patent/JPS51139711A/ja active Pending
- 1976-04-21 US US05/679,045 patent/US4088840A/en not_active Expired - Lifetime
- 1976-04-21 GB GB16028/76A patent/GB1536452A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4088840A (en) | 1978-05-09 |
| RO76695A (ro) | 1981-04-30 |
| FR2309102B1 (cg-RX-API-DMAC7.html) | 1980-11-07 |
| FR2309102A1 (fr) | 1976-11-19 |
| DE2616658A1 (de) | 1976-11-11 |
| JPS51139711A (en) | 1976-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |