KR840001981A - 전원회로 - Google Patents
전원회로 Download PDFInfo
- Publication number
- KR840001981A KR840001981A KR1019820003953A KR820003953A KR840001981A KR 840001981 A KR840001981 A KR 840001981A KR 1019820003953 A KR1019820003953 A KR 1019820003953A KR 820003953 A KR820003953 A KR 820003953A KR 840001981 A KR840001981 A KR 840001981A
- Authority
- KR
- South Korea
- Prior art keywords
- load
- transformer
- coupled
- power circuit
- windings
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
-
- 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
- H04M19/008—Using DC/DC converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
Description
Claims (1)
- 단일 변압기(30)에 의하여 직류저항성 부하(44)에 결합된 전원 회로에 있어서, 변압기(30)의 제1권선 (31) 및 제2권선(32)을 거쳐 부하(44)에 결합되어 직류저항성과 별개의 일정한 크기의 직류 전력을 공급하는 직류성분 및 또한 교류 성분을 가진 전압을 부하에 공급하는 수단(10, 41 내지 43)과, 변압기의 제2권선(32) 및 제3권선(33)을 거쳐 부하에 결합되어 부하에 공급된 전압을 나타내는 복귀신호를 발생하는 궤환수단(20, 50)과, 복귀신호를 직류 및 교류성분으로 분리하는 필터수단(52, 54)과, 직류성분에 의해 교류성분을 분할하여 그 나머지에 비례하는 궤환신호를 발생하는 분할수단 (56) 및, 궤환신호에 응답하여 부하에 공급된 교류전압의 크기를 제어하는 수단(70) 으로 구성되어 있는 것을 특징으로 하는 전원회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US299516 | 1981-09-03 | ||
US06/299,156 US4402039A (en) | 1981-09-03 | 1981-09-03 | Telephone line circuit |
US299.156 | 1981-09-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840001981A true KR840001981A (ko) | 1984-06-07 |
KR880000870B1 KR880000870B1 (ko) | 1988-05-26 |
Family
ID=23153536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR8203953A KR880000870B1 (ko) | 1981-09-03 | 1982-09-02 | 전원회로 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4402039A (ko) |
EP (1) | EP0087437B1 (ko) |
JP (1) | JPS58501401A (ko) |
KR (1) | KR880000870B1 (ko) |
CA (1) | CA1176706A (ko) |
DE (1) | DE3274509D1 (ko) |
GB (1) | GB2105499B (ko) |
WO (1) | WO1983000959A1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3237652A1 (de) * | 1982-10-11 | 1984-04-12 | Siemens AG, 1000 Berlin und 8000 München | Fernsprechanlage |
US4511763A (en) * | 1982-11-01 | 1985-04-16 | Gte Communication Systems Corporation | Floating dc current source for a subscriber loop circuit |
US4536614A (en) * | 1982-12-13 | 1985-08-20 | Gte Communication Systems Corporation | Supervision and dial pulse detection circuit for a telephone subscriber line |
US4656659A (en) * | 1985-07-18 | 1987-04-07 | Itt Corporation | Programmable ring signal generator |
US4761812A (en) * | 1985-12-10 | 1988-08-02 | U.S. Holding Company, Inc. | Constant power telephone line circuit |
US4704670A (en) * | 1986-12-31 | 1987-11-03 | American Telephone & Telegraph Company, At&T Bell Laboratories | Power supply with regulated output voltage |
DE3907682A1 (de) * | 1989-03-09 | 1990-09-13 | Siemens Ag | Schaltungsanordnung zur unterdrueckung von stoerspannungen bei gleichspannungswandlern |
US5003451A (en) * | 1989-12-21 | 1991-03-26 | At&T Bell Laboratories | Switched damper circuit for dc to dc power converters |
US5528688A (en) * | 1994-09-28 | 1996-06-18 | At&T Corp. | Telephone battery feed circuit including noise reduction circuit |
DE19520940C2 (de) * | 1995-06-02 | 1997-07-17 | Siemens Ag | Anordnung zur galvanisch getrennten Übertragung von Hilfsenergie (Gleichspannung) und Informationen zu einer elektronischen Einheit |
US5740241A (en) * | 1995-05-12 | 1998-04-14 | Carrier Access Corporation | T1 channel bank control process and apparatus |
US6337906B1 (en) * | 1997-05-23 | 2002-01-08 | Microlog Corporation | Apparatus and method for coupling an automated attendant to a telecommunications system |
US7561452B2 (en) * | 2005-11-28 | 2009-07-14 | Supertex, Inc. | Transformer-isolated flyback converters and methods for regulating output current thereof |
CN102368662B (zh) * | 2011-03-10 | 2013-11-27 | 杭州士兰微电子股份有限公司 | 电流基准发生电路、恒流开关电源的控制电路及方法 |
US10680526B2 (en) | 2017-01-13 | 2020-06-09 | Analog Devices Global | Power transfer and feedback across a common isolator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4011410A (en) * | 1973-11-13 | 1977-03-08 | Thomas Robert M | Communication system interface circuits |
FR2374795A1 (fr) * | 1976-12-17 | 1978-07-13 | Jeumont Schneider | Equipement de ligne d'abonne pour central telephonique |
US4056689A (en) * | 1977-01-05 | 1977-11-01 | Bell Telephone Laboratories, Incorporated | Telephone subscriber line circuit |
US4124884A (en) * | 1977-03-07 | 1978-11-07 | Bell Telephone Laboratories, Incorporated | DC to DC converter with regulated input impedance |
NL7903662A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Lijncircuit. |
JPS5660004A (en) * | 1979-10-19 | 1981-05-23 | Sony Corp | Parts of insulated inductance |
US4347559A (en) * | 1981-03-02 | 1982-08-31 | Texas Instruments Incorporated | Switching power supply |
-
1981
- 1981-09-03 US US06/299,156 patent/US4402039A/en not_active Expired - Lifetime
-
1982
- 1982-07-26 WO PCT/US1982/001014 patent/WO1983000959A1/en active IP Right Grant
- 1982-07-26 DE DE8282902619T patent/DE3274509D1/de not_active Expired
- 1982-07-26 JP JP57502587A patent/JPS58501401A/ja active Pending
- 1982-07-26 EP EP82902619A patent/EP0087437B1/en not_active Expired
- 1982-07-30 CA CA000408486A patent/CA1176706A/en not_active Expired
- 1982-09-01 GB GB08224868A patent/GB2105499B/en not_active Expired
- 1982-09-02 KR KR8203953A patent/KR880000870B1/ko active
Also Published As
Publication number | Publication date |
---|---|
KR880000870B1 (ko) | 1988-05-26 |
CA1176706A (en) | 1984-10-23 |
EP0087437A1 (en) | 1983-09-07 |
GB2105499B (en) | 1984-10-10 |
EP0087437B1 (en) | 1986-11-26 |
WO1983000959A1 (en) | 1983-03-17 |
US4402039A (en) | 1983-08-30 |
GB2105499A (en) | 1983-03-23 |
DE3274509D1 (en) | 1987-01-15 |
JPS58501401A (ja) | 1983-08-18 |
EP0087437A4 (en) | 1984-11-07 |
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Legal Events
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19820902 |
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PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19870728 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19820902 Comment text: Patent Application |
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PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19880420 |
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PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19880818 |
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Comment text: Registration of Establishment Patent event date: 19880914 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 19880914 End annual number: 3 Start annual number: 1 |
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