FI74369B - Likstroemsmagnetiserad gaffeltransformator. - Google Patents
Likstroemsmagnetiserad gaffeltransformator. Download PDFInfo
- Publication number
- FI74369B FI74369B FI831689A FI831689A FI74369B FI 74369 B FI74369 B FI 74369B FI 831689 A FI831689 A FI 831689A FI 831689 A FI831689 A FI 831689A FI 74369 B FI74369 B FI 74369B
- Authority
- FI
- Finland
- Prior art keywords
- winding
- fork
- line
- transformer
- impedance
- Prior art date
Links
Classifications
-
- 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)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
- Filters And Equalizers (AREA)
- Coils Or Transformers For Communication (AREA)
- Amplifiers (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8102610A SE426127B (sv) | 1981-04-24 | 1981-04-24 | Likstromsmagnetiserad gaffeltransformator |
SE8102610 | 1981-04-24 | ||
SE8200112 | 1982-04-06 | ||
PCT/SE1982/000112 WO1982003738A1 (en) | 1981-04-24 | 1982-04-06 | Direct current magnetized hybrid transformer |
Publications (4)
Publication Number | Publication Date |
---|---|
FI831689A0 FI831689A0 (fi) | 1983-05-13 |
FI831689L FI831689L (fi) | 1983-05-13 |
FI74369B true FI74369B (fi) | 1987-09-30 |
FI74369C FI74369C (fi) | 1988-01-11 |
Family
ID=20343670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI831689A FI74369C (fi) | 1981-04-24 | 1983-05-13 | Likstroemsmagnetiserad gaffeltransformator. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4539443A (fi) |
EP (1) | EP0077351B1 (fi) |
AU (1) | AU547601B2 (fi) |
BR (1) | BR8207876A (fi) |
DE (1) | DE3262104D1 (fi) |
DK (1) | DK161356C (fi) |
FI (1) | FI74369C (fi) |
GR (1) | GR76913B (fi) |
IT (1) | IT1150547B (fi) |
MY (1) | MY8600094A (fi) |
NO (1) | NO153948C (fi) |
SE (1) | SE426127B (fi) |
SU (1) | SU1342436A3 (fi) |
WO (1) | WO1982003738A1 (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5081648A (en) * | 1990-03-12 | 1992-01-14 | The Boeing Company | Current mode data bus digital communications system |
SE466178B (sv) * | 1990-05-07 | 1992-01-07 | Ericsson Telefon Ab L M | Oeverspaennings- och oeverstroemsskydd foer ett linjeoeverdrag |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE547286A (fi) * | 1937-11-09 | |||
US3753786A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Method and apparatus for adjusting battery electrolyte concentration |
JPS5017709A (fi) * | 1973-06-15 | 1975-02-25 | ||
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 |
NL7602292A (nl) * | 1976-03-05 | 1977-09-07 | Philips Nv | Voedingsbrug. |
NL7805416A (nl) * | 1978-05-19 | 1979-11-21 | Philips Nv | Zelf-instellende vorkschakeling. |
NL7807706A (nl) * | 1978-07-19 | 1980-01-22 | Philips Nv | Voedingsbrug met d.c.-compensatie voor beide richtin- gen van de voedingstroom. |
US4197431A (en) * | 1978-10-02 | 1980-04-08 | Digital Telephone Systems, Inc. | Subscriber loop feed apparatus |
-
1981
- 1981-04-24 SE SE8102610A patent/SE426127B/sv not_active IP Right Cessation
-
1982
- 1982-04-06 EP EP82901176A patent/EP0077351B1/en not_active Expired
- 1982-04-06 DE DE8282901176T patent/DE3262104D1/de not_active Expired
- 1982-04-06 AU AU83341/82A patent/AU547601B2/en not_active Ceased
- 1982-04-06 WO PCT/SE1982/000112 patent/WO1982003738A1/en active IP Right Grant
- 1982-04-06 US US06/448,908 patent/US4539443A/en not_active Expired - Lifetime
- 1982-04-06 BR BR8207876A patent/BR8207876A/pt not_active IP Right Cessation
- 1982-04-23 IT IT20891/82A patent/IT1150547B/it active
- 1982-10-22 GR GR69594A patent/GR76913B/el unknown
- 1982-12-23 NO NO824363A patent/NO153948C/no unknown
- 1982-12-23 DK DK571582A patent/DK161356C/da not_active IP Right Cessation
-
1983
- 1983-05-13 FI FI831689A patent/FI74369C/fi not_active IP Right Cessation
- 1983-05-23 SU SU833594079A patent/SU1342436A3/ru active
-
1986
- 1986-12-30 MY MY94/86A patent/MY8600094A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DK161356B (da) | 1991-06-24 |
EP0077351A1 (en) | 1983-04-27 |
FI831689A0 (fi) | 1983-05-13 |
FI74369C (fi) | 1988-01-11 |
EP0077351B1 (en) | 1985-01-30 |
US4539443A (en) | 1985-09-03 |
SU1342436A3 (ru) | 1987-09-30 |
SE8102610L (sv) | 1982-10-25 |
IT1150547B (it) | 1986-12-10 |
DE3262104D1 (en) | 1985-03-14 |
NO824363L (no) | 1982-12-23 |
SE426127B (sv) | 1982-12-06 |
WO1982003738A1 (en) | 1982-10-28 |
NO153948C (no) | 1986-06-18 |
FI831689L (fi) | 1983-05-13 |
IT8220891A0 (it) | 1982-04-23 |
DK161356C (da) | 1991-12-02 |
NO153948B (no) | 1986-03-10 |
GR76913B (fi) | 1984-09-04 |
AU8334182A (en) | 1982-11-04 |
AU547601B2 (en) | 1985-10-24 |
BR8207876A (pt) | 1983-08-30 |
DK571582A (da) | 1982-12-23 |
MY8600094A (en) | 1986-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: OY L M ERICSSON AB |