ATE21603T1 - Leitungsspeiseschaltung aktiver impedanz. - Google Patents
Leitungsspeiseschaltung aktiver impedanz.Info
- Publication number
- ATE21603T1 ATE21603T1 AT83302686T AT83302686T ATE21603T1 AT E21603 T1 ATE21603 T1 AT E21603T1 AT 83302686 T AT83302686 T AT 83302686T AT 83302686 T AT83302686 T AT 83302686T AT E21603 T1 ATE21603 T1 AT E21603T1
- Authority
- AT
- Austria
- Prior art keywords
- tip
- voltage
- ring
- output
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000404502A CA1179078A (en) | 1982-06-04 | 1982-06-04 | Active impedance line feed circuit |
EP83302686A EP0096473B1 (de) | 1982-06-04 | 1983-05-11 | Leitungsspeiseschaltung aktiver Impedanz |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE21603T1 true ATE21603T1 (de) | 1986-09-15 |
Family
ID=4122932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT83302686T ATE21603T1 (de) | 1982-06-04 | 1983-05-11 | Leitungsspeiseschaltung aktiver impedanz. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0096473B1 (de) |
JP (1) | JPS58222626A (de) |
AT (1) | ATE21603T1 (de) |
CA (1) | CA1179078A (de) |
DE (1) | DE3365424D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1178386A (en) * | 1982-06-07 | 1984-11-20 | Stanley D. Rosenbaum | Active impedance transformer assisted line feed circuit |
EP0130261B1 (de) * | 1983-06-30 | 1986-10-15 | International Business Machines Corporation | Gleichstromspeiseschaltung für eine Leitungsschnittstellenschaltung |
CA1200335A (en) * | 1984-02-13 | 1986-02-04 | Stanley D. Rosenbaum | Active impedance line feed circuit |
CA1231480A (en) * | 1985-03-15 | 1988-01-12 | John A. Barsellotti | Constant current line circuit |
CA1233583A (en) * | 1985-06-18 | 1988-03-01 | Francis Y. Hung | Protection arrangement for a telephone subscriber line interface circuit |
CA1255026A (en) * | 1986-12-24 | 1989-05-30 | Mitel Corporation | Dc control circuit |
CA1268873A (en) * | 1987-09-22 | 1990-05-08 | Mihail Stefan Augustin Traian Moisin | Line interface circuit |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2462070A1 (fr) * | 1979-07-17 | 1981-02-06 | Cit Alcatel | Dispositif d'alimentation d'un poste d'abonne |
US4387273A (en) * | 1980-08-25 | 1983-06-07 | International Telephone And Telegraph Corporation | Subscriber line interface circuit with impedance synthesizer |
-
1982
- 1982-06-04 CA CA000404502A patent/CA1179078A/en not_active Expired
-
1983
- 1983-05-11 DE DE8383302686T patent/DE3365424D1/de not_active Expired
- 1983-05-11 AT AT83302686T patent/ATE21603T1/de not_active IP Right Cessation
- 1983-05-11 EP EP83302686A patent/EP0096473B1/de not_active Expired
- 1983-06-03 JP JP58098156A patent/JPS58222626A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0262970B2 (de) | 1990-12-27 |
DE3365424D1 (en) | 1986-09-25 |
EP0096473A1 (de) | 1983-12-21 |
JPS58222626A (ja) | 1983-12-24 |
CA1179078A (en) | 1984-12-04 |
EP0096473B1 (de) | 1986-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |