ES224291A1 - MEJORAS EN O RELATIVAS A CENTRALES DE TELECOMUNICACION AUTOMáTICAS - Google Patents
MEJORAS EN O RELATIVAS A CENTRALES DE TELECOMUNICACION AUTOMáTICASInfo
- Publication number
- ES224291A1 ES224291A1 ES0224291A ES224291A ES224291A1 ES 224291 A1 ES224291 A1 ES 224291A1 ES 0224291 A ES0224291 A ES 0224291A ES 224291 A ES224291 A ES 224291A ES 224291 A1 ES224291 A1 ES 224291A1
- Authority
- ES
- Spain
- Prior art keywords
- subscriber
- individual
- calls
- switches
- outgoing
- 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 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
- H04Q3/525—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 tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB28635/54A GB794812A (en) | 1954-10-05 | 1954-10-05 | Improvements in or relating to automatic telecommunication exchanges |
Publications (1)
Publication Number | Publication Date |
---|---|
ES224291A1 true ES224291A1 (es) | 1956-01-16 |
Family
ID=10278714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0224291A Expired ES224291A1 (es) | 1954-10-05 | 1955-10-04 | MEJORAS EN O RELATIVAS A CENTRALES DE TELECOMUNICACION AUTOMáTICAS |
Country Status (4)
Country | Link |
---|---|
US (1) | US2872527A (en:Method) |
ES (1) | ES224291A1 (en:Method) |
GB (1) | GB794812A (en:Method) |
NL (1) | NL102360C (en:Method) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB916637A (en) * | 1959-02-26 | 1963-01-23 | Ass Elect Ind | Improvements relating to automatic telecommunication and like switching systems |
US3113184A (en) * | 1960-08-31 | 1963-12-03 | Bell Telephone Labor Inc | Telephone system |
US3532828A (en) * | 1967-11-22 | 1970-10-06 | Stromberg Carlson Corp | Marking of originating and termination calls |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2735893A (en) * | 1956-02-21 | le gourrierec | ||
US2585904A (en) * | 1948-10-29 | 1952-02-19 | Bell Telephone Labor Inc | Crossbar telephone system |
-
0
- NL NL102360D patent/NL102360C/xx active
-
1954
- 1954-10-05 GB GB28635/54A patent/GB794812A/en not_active Expired
-
1955
- 1955-09-27 US US536963A patent/US2872527A/en not_active Expired - Lifetime
- 1955-10-04 ES ES0224291A patent/ES224291A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL102360C (en:Method) | |
GB794812A (en) | 1958-05-14 |
US2872527A (en) | 1959-02-03 |
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