FI834128A - Matningskrets ingaoende i en likstroemsmagnetiserad gaffeltransformator - Google Patents
Matningskrets ingaoende i en likstroemsmagnetiserad gaffeltransformator Download PDFInfo
- Publication number
- FI834128A FI834128A FI834128A FI834128A FI834128A FI 834128 A FI834128 A FI 834128A FI 834128 A FI834128 A FI 834128A FI 834128 A FI834128 A FI 834128A FI 834128 A FI834128 A FI 834128A
- Authority
- FI
- Finland
- Prior art keywords
- matringskrets
- likstroemsmagnetiserad
- ingaoende
- gaffeltransformator
- matringskrets ingaoende
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/581—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a transformer
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Coils Or Transformers For Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Protection Of Transformers (AREA)
- Soft Magnetic Materials (AREA)
- Emergency Protection Circuit Devices (AREA)
- Power Conversion In General (AREA)
- Hard Magnetic Materials (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8202104A SE450677B (sv) | 1982-04-01 | 1982-04-01 | Matningskrets ingaende i en likstromsmagnetiserad gaffeltransformator |
| SE8202104 | 1982-04-01 | ||
| SE8300101 | 1983-03-22 | ||
| PCT/SE1983/000101 WO1983003504A1 (en) | 1982-04-01 | 1983-03-22 | Supply circuit included in a dc-magnetized hybrid transformer |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI834128A true FI834128A (fi) | 1983-11-10 |
| FI834128A0 FI834128A0 (fi) | 1983-11-10 |
| FI74370B FI74370B (fi) | 1987-09-30 |
| FI74370C FI74370C (fi) | 1988-01-11 |
Family
ID=20346451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI834128A FI74370C (fi) | 1982-04-01 | 1983-11-10 | Matningskrets ingaoende i en likstroemsmagnetiserad gaffeltransformator. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4590334A (fi) |
| EP (1) | EP0104220B1 (fi) |
| JP (1) | JPS59500544A (fi) |
| AU (1) | AU555343B2 (fi) |
| DE (1) | DE3366196D1 (fi) |
| DK (1) | DK156797C (fi) |
| ES (1) | ES8307426A1 (fi) |
| FI (1) | FI74370C (fi) |
| IE (1) | IE54145B1 (fi) |
| IT (1) | IT1163164B (fi) |
| MX (1) | MX152009A (fi) |
| SE (1) | SE450677B (fi) |
| SU (1) | SU1277912A3 (fi) |
| WO (1) | WO1983003504A1 (fi) |
| YU (1) | YU44367B (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE466178B (sv) * | 1990-05-07 | 1992-01-07 | Ericsson Telefon Ab L M | Oeverspaennings- och oeverstroemsskydd foer ett linjeoeverdrag |
| US5886315A (en) * | 1997-08-01 | 1999-03-23 | Hypertherm, Inc. | Blow forward contact start plasma arc torch with distributed nozzle support |
| RU2579915C2 (ru) * | 2014-04-25 | 2016-04-10 | Вячеслав Николаевич Федоров | Способ подавления перекрестных помех в многопроводных линиях связи |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1604188A (fi) * | 1968-12-30 | 1971-07-26 | ||
| US3868584A (en) * | 1971-02-08 | 1975-02-25 | Henry Richard Beurrier | Amplifier with input and output match |
| US3753786A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Method and apparatus for adjusting battery electrolyte concentration |
| FR2235555A1 (en) * | 1973-06-28 | 1975-01-24 | Person Jean Michel | Regulation of acoustic performance of telephones - employs a single varistor and provides level control |
| BR7408695D0 (pt) * | 1973-10-29 | 1975-08-26 | Gen Electric | Circuito hibrido ativo aperfeicoado |
| US3875350A (en) * | 1973-11-05 | 1975-04-01 | Gte Automatic Electric Lab Inc | Self-balancing hybrid circuit |
| US3987257A (en) * | 1975-05-29 | 1976-10-19 | International Telephone And Telegraph Corporation | Optically coupled two-wire to four-wire hybrid lines |
| JPS54118712A (en) * | 1978-03-08 | 1979-09-14 | Nec Corp | Call current supply circuit |
| NL7805416A (nl) * | 1978-05-19 | 1979-11-21 | Philips Nv | Zelf-instellende vorkschakeling. |
| FR2462006A1 (fr) * | 1979-07-20 | 1981-02-06 | Ibm France | Dispositif pour augmenter l'inductance parallele d'un transformateur |
-
1982
- 1982-04-01 SE SE8202104A patent/SE450677B/sv not_active IP Right Cessation
- 1982-10-20 MX MX194859A patent/MX152009A/es unknown
- 1982-10-21 ES ES516707A patent/ES8307426A1/es not_active Expired
- 1982-10-21 YU YU2371/82A patent/YU44367B/xx unknown
-
1983
- 1983-03-22 DE DE8383901112T patent/DE3366196D1/de not_active Expired
- 1983-03-22 WO PCT/SE1983/000101 patent/WO1983003504A1/en active IP Right Grant
- 1983-03-22 JP JP58501142A patent/JPS59500544A/ja active Pending
- 1983-03-22 AU AU13730/83A patent/AU555343B2/en not_active Ceased
- 1983-03-22 US US06/556,243 patent/US4590334A/en not_active Expired - Lifetime
- 1983-03-22 EP EP83901112A patent/EP0104220B1/en not_active Expired
- 1983-03-25 IT IT20306/83A patent/IT1163164B/it active
- 1983-03-30 IE IE720/83A patent/IE54145B1/en not_active IP Right Cessation
- 1983-11-10 FI FI834128A patent/FI74370C/fi not_active IP Right Cessation
- 1983-11-28 DK DK544783A patent/DK156797C/da not_active IP Right Cessation
- 1983-11-30 SU SU833677555A patent/SU1277912A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8320306A1 (it) | 1984-09-25 |
| FI74370C (fi) | 1988-01-11 |
| DE3366196D1 (en) | 1986-10-23 |
| IT1163164B (it) | 1987-04-08 |
| SE8202104L (sv) | 1983-10-02 |
| EP0104220B1 (en) | 1986-09-17 |
| DK544783A (da) | 1983-11-28 |
| EP0104220A1 (en) | 1984-04-04 |
| IE54145B1 (en) | 1989-06-21 |
| ES516707A0 (es) | 1983-06-16 |
| ES8307426A1 (es) | 1983-06-16 |
| WO1983003504A1 (en) | 1983-10-13 |
| SU1277912A3 (ru) | 1986-12-15 |
| YU237182A (en) | 1985-04-30 |
| US4590334A (en) | 1986-05-20 |
| FI74370B (fi) | 1987-09-30 |
| DK156797B (da) | 1989-10-02 |
| DK156797C (da) | 1990-02-19 |
| AU1373083A (en) | 1983-10-24 |
| YU44367B (en) | 1990-06-30 |
| AU555343B2 (en) | 1986-09-18 |
| FI834128A0 (fi) | 1983-11-10 |
| SE450677B (sv) | 1987-07-13 |
| MX152009A (es) | 1985-05-23 |
| IE830720L (en) | 1983-10-01 |
| DK544783D0 (da) | 1983-11-28 |
| IT8320306A0 (it) | 1983-03-25 |
| JPS59500544A (ja) | 1984-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: OY L M ERICSSON AB |