NO940294L - Krets for tilförsel av likeström til spole- eller transformatorvikling - Google Patents
Krets for tilförsel av likeström til spole- eller transformatorviklingInfo
- Publication number
- NO940294L NO940294L NO940294A NO940294A NO940294L NO 940294 L NO940294 L NO 940294L NO 940294 A NO940294 A NO 940294A NO 940294 A NO940294 A NO 940294A NO 940294 L NO940294 L NO 940294L
- Authority
- NO
- Norway
- Prior art keywords
- coil
- circuit
- direct current
- transformer winding
- supplying direct
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Coils Or Transformers For Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26083693 | 1993-10-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO940294D0 NO940294D0 (no) | 1994-01-27 |
NO940294L true NO940294L (no) | 1995-04-20 |
NO306587B1 NO306587B1 (no) | 1999-11-22 |
Family
ID=17353440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO940294A NO306587B1 (no) | 1993-10-19 | 1994-01-27 | Krets for tilförsel av en likeström til en vikling |
Country Status (10)
Country | Link |
---|---|
US (1) | US5414309A (no) |
EP (1) | EP0649242B1 (no) |
KR (1) | KR0145170B1 (no) |
CN (1) | CN1044656C (no) |
AU (1) | AU663429B2 (no) |
DE (1) | DE69407723T2 (no) |
ES (1) | ES2112490T3 (no) |
FI (1) | FI112719B (no) |
NO (1) | NO306587B1 (no) |
TW (1) | TW227066B (no) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT404443B (de) * | 1994-12-21 | 1998-11-25 | Voest Alpine Ind Anlagen | Stranggiesskokille |
JP2809147B2 (ja) * | 1995-08-30 | 1998-10-08 | 日本電気株式会社 | 圧電トランス駆動回路 |
US6252310B1 (en) * | 1999-07-28 | 2001-06-26 | Nextek Power Systems, Inc. | Balanced modular power management system and method |
US6614666B1 (en) * | 2002-05-08 | 2003-09-02 | Micrel, Inc. | Universal output driver |
US8456267B2 (en) * | 2010-05-14 | 2013-06-04 | Agilent Technologies, Inc. | High-impedance DC-isolating transmission line transformers |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979627A (en) * | 1958-07-31 | 1961-04-11 | Ibm | Transistor switching circuits |
GB1129886A (en) * | 1964-12-12 | 1968-10-09 | Lucas Industries Ltd | Monostable circuits |
JPS4928782B1 (no) * | 1969-06-23 | 1974-07-30 | ||
US3668435A (en) * | 1970-08-12 | 1972-06-06 | Hughes Aircraft Co | Improved efficiency pulse forming network charging systems |
US3666971A (en) * | 1970-09-24 | 1972-05-30 | Westinghouse Electric Corp | Pulse control drive system for power transistors |
US3728559A (en) * | 1971-11-26 | 1973-04-17 | Westinghouse Electric Corp | Hybrid high speed ecl to p-channel mos clock driver |
US3778639A (en) * | 1972-05-12 | 1973-12-11 | Ibm | Transistor switch using a current sharing pulse transformer |
SE373470B (no) * | 1973-09-21 | 1975-02-03 | Ericsson Telefon Ab L M | |
US3930171A (en) * | 1974-07-15 | 1975-12-30 | Ampex | Low power, fast rise time current driver for inductive load |
SU608255A1 (ru) * | 1976-03-05 | 1978-05-25 | Turchenkov Vladimir | Генератор пачек импульсов |
JPS5825755A (ja) * | 1981-08-08 | 1983-02-16 | Nec Corp | 通信端末回路 |
US4567379A (en) * | 1984-05-23 | 1986-01-28 | Burroughs Corporation | Parallel current sharing system |
US4728817A (en) * | 1987-02-09 | 1988-03-01 | Westinghouse Electric Corp. | Power transistor drive circuit |
JPH01143528A (ja) * | 1987-11-30 | 1989-06-06 | Toshiba Electric Equip Corp | インターホン装置 |
FR2630276B1 (fr) * | 1988-04-14 | 1992-07-03 | Bendix Electronics Sa | Circuit de commande d'une charge inductive |
-
1993
- 1993-12-30 US US08/176,086 patent/US5414309A/en not_active Expired - Lifetime
- 1993-12-31 TW TW082111215A patent/TW227066B/zh active
-
1994
- 1994-01-24 AU AU53961/94A patent/AU663429B2/en not_active Ceased
- 1994-01-27 NO NO940294A patent/NO306587B1/no not_active IP Right Cessation
- 1994-02-03 CN CN94101169A patent/CN1044656C/zh not_active Expired - Fee Related
- 1994-02-04 KR KR1019940002192A patent/KR0145170B1/ko not_active IP Right Cessation
- 1994-10-06 DE DE69407723T patent/DE69407723T2/de not_active Expired - Fee Related
- 1994-10-06 EP EP94307329A patent/EP0649242B1/en not_active Expired - Lifetime
- 1994-10-06 ES ES94307329T patent/ES2112490T3/es not_active Expired - Lifetime
- 1994-10-13 FI FI944820A patent/FI112719B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69407723D1 (de) | 1998-02-12 |
CN1044656C (zh) | 1999-08-11 |
ES2112490T3 (es) | 1998-04-01 |
KR950013153A (ko) | 1995-05-17 |
KR0145170B1 (ko) | 1998-07-15 |
AU663429B2 (en) | 1995-10-05 |
FI112719B (fi) | 2003-12-31 |
FI944820A (fi) | 1995-04-20 |
AU5396194A (en) | 1995-06-01 |
NO306587B1 (no) | 1999-11-22 |
US5414309A (en) | 1995-05-09 |
CN1102735A (zh) | 1995-05-17 |
DE69407723T2 (de) | 1998-04-16 |
TW227066B (en) | 1994-07-21 |
EP0649242B1 (en) | 1998-01-07 |
EP0649242A1 (en) | 1995-04-19 |
FI944820A0 (fi) | 1994-10-13 |
NO940294D0 (no) | 1994-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |