GB949324A - Circuit arrangement for telephone switching systems - Google Patents
Circuit arrangement for telephone switching systemsInfo
- Publication number
- GB949324A GB949324A GB4311760A GB4311760A GB949324A GB 949324 A GB949324 A GB 949324A GB 4311760 A GB4311760 A GB 4311760A GB 4311760 A GB4311760 A GB 4311760A GB 949324 A GB949324 A GB 949324A
- Authority
- GB
- United Kingdom
- Prior art keywords
- registers
- trunk
- busy
- operator
- call
- 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
- 239000003550 marker Substances 0.000 abstract 6
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)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES66270A DE1102825B (de) | 1959-12-15 | 1959-12-15 | Schaltungsanordnung fuer indirekt gesteuerte Fernsprech-vermittlungssysteme mit Aufschaltemoeglichkeit |
Publications (1)
Publication Number | Publication Date |
---|---|
GB949324A true GB949324A (en) | 1964-02-12 |
Family
ID=7498686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4311760A Expired GB949324A (en) | 1959-12-15 | 1960-12-14 | Circuit arrangement for telephone switching systems |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH391008A (enrdf_load_stackoverflow) |
DE (1) | DE1102825B (enrdf_load_stackoverflow) |
GB (1) | GB949324A (enrdf_load_stackoverflow) |
NL (2) | NL259049A (enrdf_load_stackoverflow) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE838908C (de) * | 1949-10-30 | 1953-08-31 | Siemens Ag | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Relaiswaehlern |
GB731811A (en) * | 1951-12-17 | 1955-06-15 | Standard Telephones Cables Ltd | Electrical equipment for handling individual demands for attention from a number of circuits |
-
1959
- 1959-12-15 DE DES66270A patent/DE1102825B/de active Pending
-
1960
- 1960-11-29 CH CH1344560A patent/CH391008A/de unknown
- 1960-12-14 NL NL259049D patent/NL259049A/xx unknown
- 1960-12-14 NL NL259049A patent/NL138795B/xx unknown
- 1960-12-14 GB GB4311760A patent/GB949324A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH391008A (de) | 1965-04-30 |
NL259049A (enrdf_load_stackoverflow) | |
NL138795B (nl) | 1973-05-15 |
DE1102825B (de) | 1961-03-23 |
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