ZA862010B - Interface circuit for a telephone system - Google Patents
Interface circuit for a telephone systemInfo
- Publication number
- ZA862010B ZA862010B ZA862010A ZA862010A ZA862010B ZA 862010 B ZA862010 B ZA 862010B ZA 862010 A ZA862010 A ZA 862010A ZA 862010 A ZA862010 A ZA 862010A ZA 862010 B ZA862010 B ZA 862010B
- Authority
- ZA
- South Africa
- Prior art keywords
- interface circuit
- telephone system
- telephone
- interface
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/06—Current supply arrangements for telephone systems in which current supply sources at subordinate switching centres are charged from the main exchange
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1009/85A AT393056B (de) | 1985-04-03 | 1985-04-03 | Uebertragerschaltung fuer fernsprechnetze |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA862010B true ZA862010B (en) | 1986-10-29 |
Family
ID=3504826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA862010A ZA862010B (en) | 1985-04-03 | 1986-03-18 | Interface circuit for a telephone system |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS61232791A (tr) |
KR (1) | KR860008692A (tr) |
AT (1) | AT393056B (tr) |
TR (1) | TR25689A (tr) |
ZA (1) | ZA862010B (tr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2530105B1 (fr) * | 1982-07-07 | 1985-07-05 | Constr Telephoniques | Circuit de boucle pour ligne telephonique |
-
1985
- 1985-04-03 AT AT1009/85A patent/AT393056B/de not_active IP Right Cessation
-
1986
- 1986-03-18 ZA ZA862010A patent/ZA862010B/xx unknown
- 1986-03-21 TR TR86/0164A patent/TR25689A/tr unknown
- 1986-03-28 KR KR1019860002310A patent/KR860008692A/ko not_active Application Discontinuation
- 1986-04-03 JP JP61075675A patent/JPS61232791A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AT393056B (de) | 1991-08-12 |
JPS61232791A (ja) | 1986-10-17 |
ATA100985A (de) | 1990-12-15 |
TR25689A (tr) | 1993-06-15 |
KR860008692A (ko) | 1986-11-17 |
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