ZA805981B - A monitoring and holding arrangement for a seizur circuit for use with an incoming c-wire in a telecommunications system - Google Patents
A monitoring and holding arrangement for a seizur circuit for use with an incoming c-wire in a telecommunications systemInfo
- Publication number
- ZA805981B ZA805981B ZA00805981A ZA805981A ZA805981B ZA 805981 B ZA805981 B ZA 805981B ZA 00805981 A ZA00805981 A ZA 00805981A ZA 805981 A ZA805981 A ZA 805981A ZA 805981 B ZA805981 B ZA 805981B
- Authority
- ZA
- South Africa
- Prior art keywords
- seizur
- incoming
- monitoring
- wire
- circuit
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title 1
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
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/50—Conversion between different kinds of signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2939195A DE2939195C2 (de) | 1979-09-27 | 1979-09-27 | Verfahren zur Einspeisung eines Aufprüf- und Haltestromes aus einer Belegschaltung an der "ankommenden" c-Ader in einer Fernmeldeeinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA805981B true ZA805981B (en) | 1981-09-30 |
Family
ID=6082034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00805981A ZA805981B (en) | 1979-09-27 | 1980-09-26 | A monitoring and holding arrangement for a seizur circuit for use with an incoming c-wire in a telecommunications system |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2939195C2 (https=) |
| FI (1) | FI803055A7 (https=) |
| GR (1) | GR70213B (https=) |
| ZA (1) | ZA805981B (https=) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2608103B2 (de) * | 1976-02-27 | 1978-06-22 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Belegschaltung an einer ankommenden c-Ader in einer Fernmeldeeinrichtung |
-
1979
- 1979-09-27 DE DE2939195A patent/DE2939195C2/de not_active Expired
-
1980
- 1980-09-25 GR GR62958A patent/GR70213B/el unknown
- 1980-09-26 ZA ZA00805981A patent/ZA805981B/xx unknown
- 1980-09-26 FI FI803055A patent/FI803055A7/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2939195C2 (de) | 1983-01-05 |
| DE2939195A1 (de) | 1981-04-02 |
| GR70213B (https=) | 1982-08-31 |
| FI803055A7 (fi) | 1981-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS52115612A (en) | Power line communication system and communication device | |
| GB2064244B (en) | Telephone line circuit | |
| HK32385A (en) | Telephone line circuit | |
| JPS5593391A (en) | Telephone system | |
| GB2019698B (en) | Telephone number memory and indicator system | |
| JPS5665561A (en) | Conference telephone system | |
| GB2064902B (en) | Telephone line circuit | |
| PT71677B (en) | Digital telecommunications switching network with in-builtfault identification | |
| GB2056819B (en) | Time slot switching system in a time division electronic telephone switching system | |
| IL59725A0 (en) | Telephonic alarm device | |
| GB2055274B (en) | Telecommunications line circuit | |
| ZA802985B (en) | A four-wire line arrangement for use in a digital telecommunications system | |
| IL59950A0 (en) | Telephone systems | |
| AU536725B2 (en) | Monitoring and holding arrangement for seizure circuit in telecommunication system | |
| JPS56158593A (en) | Telephone set circuit network and common device therefor | |
| JPS5675736A (en) | Telephone subscriber unit | |
| DE3260232D1 (en) | Subscriber line circuit test system | |
| JPS564965A (en) | Telephone locking device | |
| ZA805981B (en) | A monitoring and holding arrangement for a seizur circuit for use with an incoming c-wire in a telecommunications system | |
| JPS55150660A (en) | Connecting circuit for telephone line | |
| ZA777704B (en) | Improvements in telephone equipment | |
| GB2054228B (en) | Monitoring circuit in a sprinkler system | |
| JPS568992A (en) | Time division telephone exchange device | |
| JPS5624694A (en) | Special calling device | |
| GB2073552B (en) | Telecommunication system |