ES375137A1 - Mejoras en o relativas a centrales de telecomunicacion. - Google Patents
Mejoras en o relativas a centrales de telecomunicacion.Info
- Publication number
- ES375137A1 ES375137A1 ES375137A ES375137A ES375137A1 ES 375137 A1 ES375137 A1 ES 375137A1 ES 375137 A ES375137 A ES 375137A ES 375137 A ES375137 A ES 375137A ES 375137 A1 ES375137 A1 ES 375137A1
- Authority
- ES
- Spain
- Prior art keywords
- switches
- switch
- tdm
- space
- pcm
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- 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
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (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 |
---|---|---|---|
GB22069 | 1969-01-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES375137A1 true ES375137A1 (es) | 1972-03-16 |
Family
ID=9700533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES375137A Expired ES375137A1 (es) | 1969-01-02 | 1970-01-02 | Mejoras en o relativas a centrales de telecomunicacion. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE743918A (es) |
CH (1) | CH516271A (es) |
ES (1) | ES375137A1 (es) |
FR (1) | FR2027684A1 (es) |
GB (1) | GB1259001A (es) |
-
1969
- 1969-01-02 GB GB1259001D patent/GB1259001A/en not_active Expired
- 1969-12-24 CH CH1920569A patent/CH516271A/de not_active IP Right Cessation
- 1969-12-31 BE BE743918D patent/BE743918A/xx unknown
-
1970
- 1970-01-02 ES ES375137A patent/ES375137A1/es not_active Expired
- 1970-01-02 FR FR7000023A patent/FR2027684A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CH516271A (de) | 1971-11-30 |
BE743918A (es) | 1970-06-30 |
GB1259001A (es) | 1972-01-05 |
FR2027684A1 (es) | 1970-10-02 |
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