IT8320306A0 - Circuito di alimentazione incluso in un trasformatore ibrido magnetizzato in corrente continua. - Google Patents
Circuito di alimentazione incluso in un trasformatore ibrido magnetizzato in corrente continua.Info
- Publication number
- IT8320306A0 IT8320306A0 IT8320306A IT2030683A IT8320306A0 IT 8320306 A0 IT8320306 A0 IT 8320306A0 IT 8320306 A IT8320306 A IT 8320306A IT 2030683 A IT2030683 A IT 2030683A IT 8320306 A0 IT8320306 A0 IT 8320306A0
- Authority
- IT
- Italy
- Prior art keywords
- direct current
- power circuit
- circuit included
- hybrid transformer
- current magnetized
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8202104A SE450677B (sv) | 1982-04-01 | 1982-04-01 | Matningskrets ingaende i en likstromsmagnetiserad gaffeltransformator |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8320306A0 true IT8320306A0 (it) | 1983-03-25 |
IT8320306A1 IT8320306A1 (it) | 1984-09-25 |
IT1163164B IT1163164B (it) | 1987-04-08 |
Family
ID=20346451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20306/83A IT1163164B (it) | 1982-04-01 | 1983-03-25 | Circuito di alimentazione incluso in un trasformatore ibrido magnetizzato in corrente continua |
Country Status (15)
Country | Link |
---|---|
US (1) | US4590334A (it) |
EP (1) | EP0104220B1 (it) |
JP (1) | JPS59500544A (it) |
AU (1) | AU555343B2 (it) |
DE (1) | DE3366196D1 (it) |
DK (1) | DK156797C (it) |
ES (1) | ES8307426A1 (it) |
FI (1) | FI74370C (it) |
IE (1) | IE54145B1 (it) |
IT (1) | IT1163164B (it) |
MX (1) | MX152009A (it) |
SE (1) | SE450677B (it) |
SU (1) | SU1277912A3 (it) |
WO (1) | WO1983003504A1 (it) |
YU (1) | YU44367B (it) |
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 (it) * | 1968-12-30 | 1971-07-26 | ||
US3694765A (en) * | 1971-02-08 | 1972-09-26 | Bell Telephone Labor Inc | Signal coupling circuit |
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 JP JP58501142A patent/JPS59500544A/ja active Pending
- 1983-03-22 WO PCT/SE1983/000101 patent/WO1983003504A1/en active IP Right Grant
- 1983-03-22 AU AU13730/83A patent/AU555343B2/en not_active Ceased
- 1983-03-22 EP EP83901112A patent/EP0104220B1/en not_active Expired
- 1983-03-22 US US06/556,243 patent/US4590334A/en not_active Expired - Lifetime
- 1983-03-22 DE DE8383901112T patent/DE3366196D1/de 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/sv 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 |
---|---|
IT1163164B (it) | 1987-04-08 |
SU1277912A3 (ru) | 1986-12-15 |
WO1983003504A1 (en) | 1983-10-13 |
DK544783A (da) | 1983-11-28 |
EP0104220B1 (en) | 1986-09-17 |
US4590334A (en) | 1986-05-20 |
DK156797B (da) | 1989-10-02 |
ES516707A0 (es) | 1983-06-16 |
FI74370C (sv) | 1988-01-11 |
FI834128A0 (fi) | 1983-11-10 |
SE8202104L (sv) | 1983-10-02 |
AU555343B2 (en) | 1986-09-18 |
IE830720L (en) | 1983-10-01 |
FI834128A (fi) | 1983-11-10 |
SE450677B (sv) | 1987-07-13 |
IT8320306A1 (it) | 1984-09-25 |
MX152009A (es) | 1985-05-23 |
FI74370B (fi) | 1987-09-30 |
AU1373083A (en) | 1983-10-24 |
DK156797C (da) | 1990-02-19 |
YU237182A (en) | 1985-04-30 |
EP0104220A1 (en) | 1984-04-04 |
IE54145B1 (en) | 1989-06-21 |
ES8307426A1 (es) | 1983-06-16 |
DK544783D0 (da) | 1983-11-28 |
DE3366196D1 (en) | 1986-10-23 |
YU44367B (en) | 1990-06-30 |
JPS59500544A (ja) | 1984-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970313 |