AT374997B - CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS - Google Patents
CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMSInfo
- Publication number
- AT374997B AT374997B AT0759278A AT759278A AT374997B AT 374997 B AT374997 B AT 374997B AT 0759278 A AT0759278 A AT 0759278A AT 759278 A AT759278 A AT 759278A AT 374997 B AT374997 B AT 374997B
- Authority
- AT
- Austria
- Prior art keywords
- detecting
- circuit arrangement
- telecommunication systems
- condition changes
- centrally controlled
- Prior art date
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
- H04Q3/54—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)
- Monitoring And Testing Of Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2834995A DE2834995C3 (en) | 1978-08-10 | 1978-08-10 | Circuit arrangement for recognizing and evaluating loop status changes in centrally controlled telecommunications, in particular telephone switching systems |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA759278A ATA759278A (en) | 1983-10-15 |
AT374997B true AT374997B (en) | 1984-06-25 |
Family
ID=6046656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0759278A AT374997B (en) | 1978-08-10 | 1978-10-23 | CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT374997B (en) |
BE (1) | BE878165A (en) |
DE (1) | DE2834995C3 (en) |
ES (1) | ES477898A1 (en) |
IT (1) | IT1117429B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5416832A (en) * | 1992-06-05 | 1995-05-16 | Nec Corporation | Call detection control apparatus |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2744124A1 (en) * | 1977-09-30 | 1979-04-05 | Siemens Ag | Interrogate system for telephone exchange - allows shared interrogate device to be increased in capacity, using several connections and specific switching devices |
-
1978
- 1978-08-10 DE DE2834995A patent/DE2834995C3/en not_active Expired
- 1978-10-23 AT AT0759278A patent/AT374997B/en not_active IP Right Cessation
-
1979
- 1979-02-20 ES ES477898A patent/ES477898A1/en not_active Expired
- 1979-07-31 IT IT49910/79A patent/IT1117429B/en active
- 1979-08-09 BE BE0/196667A patent/BE878165A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1117429B (en) | 1986-02-17 |
DE2834995B2 (en) | 1980-10-16 |
ES477898A1 (en) | 1979-08-01 |
ATA759278A (en) | 1983-10-15 |
BE878165A (en) | 1979-12-03 |
DE2834995C3 (en) | 1981-08-20 |
IT7949910A0 (en) | 1979-07-31 |
DE2834995A1 (en) | 1980-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |