DE69221029D1 - Automatische Verlustkontrolleschaltung in einem schleifenförmigen digitalen Übertragungssystem - Google Patents
Automatische Verlustkontrolleschaltung in einem schleifenförmigen digitalen ÜbertragungssystemInfo
- Publication number
- DE69221029D1 DE69221029D1 DE69221029T DE69221029T DE69221029D1 DE 69221029 D1 DE69221029 D1 DE 69221029D1 DE 69221029 T DE69221029 T DE 69221029T DE 69221029 T DE69221029 T DE 69221029T DE 69221029 D1 DE69221029 D1 DE 69221029D1
- Authority
- DE
- Germany
- Prior art keywords
- control circuit
- transmission system
- digital transmission
- loss control
- loop digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
-
- 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
- H04M19/006—Circuits for increasing the range of current supply source
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Electrotherapy Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/704,501 US5274703A (en) | 1991-05-23 | 1991-05-23 | Automatic loss control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69221029D1 true DE69221029D1 (de) | 1997-08-28 |
DE69221029T2 DE69221029T2 (de) | 1998-02-26 |
Family
ID=24829797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69221029T Expired - Fee Related DE69221029T2 (de) | 1991-05-23 | 1992-05-14 | Automatische Verlustkontrolleschaltung in einem schleifenförmigen digitalen Übertragungssystem |
Country Status (8)
Country | Link |
---|---|
US (1) | US5274703A (de) |
EP (1) | EP0515102B1 (de) |
JP (1) | JP2662142B2 (de) |
KR (1) | KR100252729B1 (de) |
AU (1) | AU639180B2 (de) |
CA (1) | CA2065474C (de) |
DE (1) | DE69221029T2 (de) |
TW (1) | TW200622B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5680318A (en) * | 1990-12-21 | 1997-10-21 | Synopsys Inc. | Synthesizer for generating a logic network using a hardware independent description |
US5396553A (en) * | 1993-06-28 | 1995-03-07 | At&T Corp. | Automatic loss control circuit |
US6111935A (en) * | 1993-10-27 | 2000-08-29 | Canon Kabushiki Kaisha | Adaptive expansion table in a digital telephone receiver |
JPH07193619A (ja) * | 1993-10-27 | 1995-07-28 | Canon Inc | デジタル電話機及びその動作方法 |
US5610093A (en) * | 1995-09-13 | 1997-03-11 | Harris Corporation | Method of manufacturing a programmable hybrid balance network |
KR100200967B1 (ko) * | 1996-06-26 | 1999-06-15 | 윤종용 | 전화라인의 감쇄신호 보상장치 및 방법 |
US7212502B2 (en) * | 2002-08-08 | 2007-05-01 | General Instrument Corporation | Method and apparatus for dynamically adapting telephony analog loss based on channel content |
KR20170042224A (ko) * | 2015-10-08 | 2017-04-18 | 엘지전자 주식회사 | 세탁기 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE408362B (sv) * | 1976-12-29 | 1979-06-05 | Philips Svenska Ab | Sett att vid en fjerrskrivanleggning reglera strommmen samt anordning for utforande av settet |
US3881066A (en) * | 1974-01-02 | 1975-04-29 | Gte Automatic Electric Lab Inc | DC Signaling method for solid-state crosspoint networks |
GB1584778A (en) * | 1976-09-17 | 1981-02-18 | Gen Electric | Telecommunication exchanges |
US4056688A (en) * | 1976-11-11 | 1977-11-01 | Bell Telephone Laboratories, Incorporated | Telephone range extender with gain |
CA1112385A (en) * | 1977-04-13 | 1981-11-10 | Bloomfield J. Warman | Compensation of transmission losses in a telephone system |
JPS54118109A (en) * | 1978-03-07 | 1979-09-13 | Nec Corp | Subscriber line storage system for time division exchange |
US4343971A (en) * | 1981-02-17 | 1982-08-10 | Reliance Electric Company | Subscriber drop circuit for controlling drop current with load and maximizing power usage |
CA1208708A (en) * | 1983-03-23 | 1986-07-29 | Yasuharu Yoshida | Dc voltage control circuits |
JPS6033776A (ja) * | 1983-08-04 | 1985-02-21 | Nec Corp | パッド制御方式 |
JPS60233994A (ja) * | 1984-05-07 | 1985-11-20 | Nippon Telegr & Teleph Corp <Ntt> | 加入者回路のレベル損失切替方式 |
NL8402071A (nl) * | 1984-06-29 | 1986-01-16 | Philips Nv | Datasignaalcorrectieschakeling. |
US4588856A (en) * | 1984-08-23 | 1986-05-13 | Timex Computer Corporation | Automatic line impedance balancing circuit for computer/telephone communications interface |
GB2178925B (en) * | 1985-08-09 | 1989-04-12 | Plessey Co Plc | Line terminating apparatus |
US4607247A (en) * | 1985-08-12 | 1986-08-19 | The Babcock & Wilcox Company | On-line serial communication interface from a transmitter to a current loop |
IN164819B (de) * | 1985-08-13 | 1989-06-10 | Babcock & Wilcox Co | |
CA1239718A (en) * | 1985-10-11 | 1988-07-26 | Trillium Telephone Systems Inc. | Key telephone system |
JPS6382193A (ja) * | 1986-09-26 | 1988-04-12 | Hitachi Ltd | 信号処理回路 |
US4791668A (en) * | 1987-09-23 | 1988-12-13 | Northern Telecom Limited | Selectable impedance line interface circuit |
-
1991
- 1991-05-23 US US07/704,501 patent/US5274703A/en not_active Expired - Fee Related
-
1992
- 1992-04-01 TW TW081102488A patent/TW200622B/zh active
- 1992-04-07 CA CA002065474A patent/CA2065474C/en not_active Expired - Fee Related
- 1992-05-06 JP JP4139623A patent/JP2662142B2/ja not_active Expired - Fee Related
- 1992-05-07 AU AU16112/92A patent/AU639180B2/en not_active Ceased
- 1992-05-11 KR KR1019920007910A patent/KR100252729B1/ko not_active IP Right Cessation
- 1992-05-14 DE DE69221029T patent/DE69221029T2/de not_active Expired - Fee Related
- 1992-05-14 EP EP92304378A patent/EP0515102B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2065474A1 (en) | 1992-11-24 |
EP0515102B1 (de) | 1997-07-23 |
CA2065474C (en) | 1998-08-11 |
JPH05161167A (ja) | 1993-06-25 |
AU1611292A (en) | 1992-11-26 |
TW200622B (de) | 1993-02-21 |
EP0515102A3 (en) | 1993-03-24 |
JP2662142B2 (ja) | 1997-10-08 |
AU639180B2 (en) | 1993-07-15 |
KR100252729B1 (ko) | 2000-04-15 |
US5274703A (en) | 1993-12-28 |
EP0515102A2 (de) | 1992-11-25 |
DE69221029T2 (de) | 1998-02-26 |
KR920022718A (ko) | 1992-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |