JPS5017709A - - Google Patents
Info
- Publication number
- JPS5017709A JPS5017709A JP6694273A JP6694273A JPS5017709A JP S5017709 A JPS5017709 A JP S5017709A JP 6694273 A JP6694273 A JP 6694273A JP 6694273 A JP6694273 A JP 6694273A JP S5017709 A JPS5017709 A JP S5017709A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H04M19/003—Arrangements for compensation of the DC flux in line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6694273A JPS5017709A (ja) | 1973-06-15 | 1973-06-15 | |
| US05/475,982 US3959718A (en) | 1973-06-15 | 1974-06-03 | Direct current supply source |
| AU69770/74A AU6977074A (en) | 1973-06-15 | 1974-06-04 | Direct current supply source |
| DE19742428148 DE2428148A1 (de) | 1973-06-15 | 1974-06-11 | Verfahren und schaltungsanordnung zur erzeugung einer versorgungs-gleichspannung |
| CA202,199A CA997080A (en) | 1973-06-15 | 1974-06-11 | Direct current supply source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6694273A JPS5017709A (ja) | 1973-06-15 | 1973-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5017709A true JPS5017709A (ja) | 1975-02-25 |
Family
ID=13330551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6694273A Pending JPS5017709A (ja) | 1973-06-15 | 1973-06-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3959718A (ja) |
| JP (1) | JPS5017709A (ja) |
| AU (1) | AU6977074A (ja) |
| CA (1) | CA997080A (ja) |
| DE (1) | DE2428148A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5516598A (en) * | 1978-07-19 | 1980-02-05 | Philips Nv | Feeder bridge circuit |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2324176A1 (fr) * | 1975-09-12 | 1977-04-08 | Lannionnais Electronique | Pont d'alimentation pour ligne telephonique |
| US4064449A (en) * | 1976-08-13 | 1977-12-20 | Gte Automatic Electric Laboratories Incorporated | Direct current compensation circuit for transformers |
| US4241239A (en) * | 1978-02-24 | 1980-12-23 | International Telephone And Telegraph Corporation | Fluxbucking line transformer with electronic equivalent line terminating impedance |
| SE426127B (sv) * | 1981-04-24 | 1982-12-06 | Ericsson Telefon Ab L M | Likstromsmagnetiserad gaffeltransformator |
| US4414435A (en) * | 1982-04-22 | 1983-11-08 | Northern Telecom Limited | Interface circuit with flux cancelling transformer circuit |
| DE3715552C3 (de) * | 1987-05-09 | 1996-01-11 | Kommunikations Elektronik | Schaltungsanordnung zur Übertragung nachrichtentechnischer Signale |
| US4767980A (en) * | 1987-10-22 | 1988-08-30 | Reliance Comm/Tec Corporation | Inductance multiplier circuit |
| US4896093A (en) * | 1988-08-22 | 1990-01-23 | American Telephone And Telegraph Company | Electronic inductor |
| DE69120135T2 (de) * | 1990-04-04 | 1997-01-23 | Seiscor Tech Inc | Schnittstellenschaltung für Teilnehmerleitung, die regulierten Strom liefert |
| FR2817411B1 (fr) * | 2000-11-27 | 2003-08-15 | Aristide Polisois | Amplificateur audio avec un transformateur de sortie adapte |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3548109A (en) * | 1966-09-19 | 1970-12-15 | Siemens Ag | Telephone relay and associated circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB872000A (en) * | 1958-04-23 | 1961-07-05 | Ass Elect Ind | Improvements relating to regulated power supply arrangements |
| US3119063A (en) * | 1961-01-13 | 1964-01-21 | Gen Dynamics Corp | Transmission line terminating impedance distinguishing circuit |
| US3384810A (en) * | 1964-03-04 | 1968-05-21 | Northern Electric Co | Transformer circuit with direct current flux cancellation |
| US3714548A (en) * | 1971-11-17 | 1973-01-30 | Gte Automatic Electric Lab Inc | D.c. compensation circuit for miniature transformers |
-
1973
- 1973-06-15 JP JP6694273A patent/JPS5017709A/ja active Pending
-
1974
- 1974-06-03 US US05/475,982 patent/US3959718A/en not_active Expired - Lifetime
- 1974-06-04 AU AU69770/74A patent/AU6977074A/en not_active Expired
- 1974-06-11 DE DE19742428148 patent/DE2428148A1/de active Pending
- 1974-06-11 CA CA202,199A patent/CA997080A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3548109A (en) * | 1966-09-19 | 1970-12-15 | Siemens Ag | Telephone relay and associated circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5516598A (en) * | 1978-07-19 | 1980-02-05 | Philips Nv | Feeder bridge circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| US3959718A (en) | 1976-05-25 |
| CA997080A (en) | 1976-09-14 |
| AU6977074A (en) | 1975-12-04 |
| DE2428148A1 (de) | 1975-01-09 |