BR9106161A - Sistema para reduzir a corrente de linha fornecida por um circuito de linha de uma central telefonica a uma linha de assinante - Google Patents
Sistema para reduzir a corrente de linha fornecida por um circuito de linha de uma central telefonica a uma linha de assinanteInfo
- Publication number
- BR9106161A BR9106161A BR919106161A BR9106161A BR9106161A BR 9106161 A BR9106161 A BR 9106161A BR 919106161 A BR919106161 A BR 919106161A BR 9106161 A BR9106161 A BR 9106161A BR 9106161 A BR9106161 A BR 9106161A
- Authority
- BR
- Brazil
- Prior art keywords
- line
- reduce
- power plant
- chain provided
- telephone power
- Prior art date
Links
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Valve Device For Special Equipments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9000929A SE465799B (sv) | 1990-03-15 | 1990-03-15 | Anordning foer reducerad effektmatning till en abonnentlinje |
PCT/SE1991/000092 WO1991014333A1 (en) | 1990-03-15 | 1991-02-11 | An arrangement for reduced power supply |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9106161A true BR9106161A (pt) | 1993-03-16 |
Family
ID=20378873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR919106161A BR9106161A (pt) | 1990-03-15 | 1991-02-11 | Sistema para reduzir a corrente de linha fornecida por um circuito de linha de uma central telefonica a uma linha de assinante |
Country Status (18)
Country | Link |
---|---|
US (1) | US5323453A (pt) |
EP (1) | EP0452286B1 (pt) |
JP (1) | JPH05505708A (pt) |
KR (1) | KR0129037B1 (pt) |
AU (1) | AU650263B2 (pt) |
BR (1) | BR9106161A (pt) |
CA (1) | CA2074479A1 (pt) |
DE (1) | DE69112887T2 (pt) |
DK (1) | DK0452286T3 (pt) |
ES (1) | ES2077836T3 (pt) |
FI (1) | FI923862A0 (pt) |
GR (1) | GR3017667T3 (pt) |
IE (1) | IE69576B1 (pt) |
NO (1) | NO923433L (pt) |
PT (1) | PT97039B (pt) |
SE (1) | SE465799B (pt) |
TN (1) | TNSN91014A1 (pt) |
WO (1) | WO1991014333A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3360184B2 (ja) * | 1993-09-20 | 2002-12-24 | 富士通株式会社 | 光加入者伝送システムに於ける給電制御方式 |
SE507739C2 (sv) * | 1996-11-08 | 1998-07-06 | Ericsson Telefon Ab L M | Anordning vid en linjekrets för mätning av linjespänning |
DE19653625A1 (de) * | 1996-12-20 | 1998-06-25 | Siemens Ag | Verfahren und Anordnung zur Fernspeisung mehrerer gleichartiger Verbraucher aus einer Energiequelle |
JPH10243093A (ja) * | 1996-12-25 | 1998-09-11 | Fujitsu Ltd | 無給電通信方法及び交換機 |
US6278778B1 (en) * | 1998-12-30 | 2001-08-21 | Alcatel Usa Sourcing, L.P. | System and method of power limiting call processing in telecommunications equipment |
US7480713B2 (en) * | 2000-12-15 | 2009-01-20 | International Business Machines Corporation | Method and system for network management with redundant monitoring and categorization of endpoints |
US8281277B2 (en) * | 2006-09-29 | 2012-10-02 | Nec Corporation | Signal selecting apparatus, circuit amending apparatus, circuit simulator, circuit emulator, method of signal selection and program |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH586983A5 (pt) * | 1974-12-23 | 1977-04-15 | Ibm | |
US4254305A (en) * | 1979-02-07 | 1981-03-03 | International Telephone And Telegraph Corporation | Current limited subscriber line feed circuit |
GB2064915B (en) * | 1979-11-29 | 1984-03-21 | Standard Telephones Cables Ltd | Telephone line feed circuit |
GB2071461B (en) * | 1980-02-14 | 1984-01-25 | Standard Telephones Cables Ltd | Telephone line feed |
JPS5737967A (en) * | 1980-08-15 | 1982-03-02 | Nec Corp | Talking current supply protecting circuit |
CA1157175A (en) * | 1981-02-20 | 1983-11-15 | Mitel Corporation | Power saving line circuit |
SE431704B (sv) * | 1982-07-06 | 1984-02-20 | Ericsson Telefon Ab L M | Forfarande vid strommatning av en abonnentapparat fran en telefonvexel |
SE433284B (sv) * | 1982-09-17 | 1984-05-14 | Ericsson Telefon Ab L M | Anordning for strommatning av en abonnentapparat |
SE433285B (sv) * | 1982-09-22 | 1984-05-14 | Ericsson Telefon Ab L M | Anordning for strommatning av en abonnentapparat |
JPS5981960A (ja) * | 1982-11-01 | 1984-05-11 | Nippon Telegr & Teleph Corp <Ntt> | 可変給電特性型電流供給回路 |
DE3431074A1 (de) * | 1984-08-23 | 1986-02-27 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer eine kleine fernsprechnebenstellenanlage |
US4653088A (en) * | 1985-03-25 | 1987-03-24 | Wang Laboratories, Inc. | Telephone circuitry with power backup |
US4760379A (en) * | 1986-09-05 | 1988-07-26 | Bell Of Pennsylvania | Fail-safe high temperature alarm |
JPS6457866A (en) * | 1987-08-28 | 1989-03-06 | Fujitsu Ltd | Feeding current control circuit |
US4856059A (en) * | 1987-11-13 | 1989-08-08 | Itec, Inc. | Semiconductor subscriber line interface circuit with enhanced survivability |
-
1990
- 1990-03-15 SE SE9000929A patent/SE465799B/sv not_active IP Right Cessation
-
1991
- 1991-02-11 KR KR1019920702201A patent/KR0129037B1/ko not_active IP Right Cessation
- 1991-02-11 EP EP91850030A patent/EP0452286B1/en not_active Expired - Lifetime
- 1991-02-11 DK DK91850030.7T patent/DK0452286T3/da active
- 1991-02-11 BR BR919106161A patent/BR9106161A/pt not_active IP Right Cessation
- 1991-02-11 WO PCT/SE1991/000092 patent/WO1991014333A1/en active Application Filing
- 1991-02-11 JP JP91506375A patent/JPH05505708A/ja active Pending
- 1991-02-11 ES ES91850030T patent/ES2077836T3/es not_active Expired - Lifetime
- 1991-02-11 AU AU75410/91A patent/AU650263B2/en not_active Ceased
- 1991-02-11 DE DE69112887T patent/DE69112887T2/de not_active Expired - Fee Related
- 1991-02-11 CA CA002074479A patent/CA2074479A1/en not_active Abandoned
- 1991-03-12 IE IE81591A patent/IE69576B1/en not_active IP Right Cessation
- 1991-03-14 US US07/669,615 patent/US5323453A/en not_active Expired - Lifetime
- 1991-03-14 PT PT97039A patent/PT97039B/pt not_active IP Right Cessation
- 1991-03-15 TN TNTNSN91014A patent/TNSN91014A1/fr unknown
-
1992
- 1992-08-28 FI FI923862A patent/FI923862A0/fi unknown
- 1992-09-03 NO NO92923433A patent/NO923433L/no unknown
-
1995
- 1995-10-06 GR GR950402771T patent/GR3017667T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
KR930701044A (ko) | 1993-03-16 |
US5323453A (en) | 1994-06-21 |
IE69576B1 (en) | 1996-10-02 |
IE910815A1 (en) | 1991-09-25 |
FI923862A (fi) | 1992-08-28 |
AU650263B2 (en) | 1994-06-16 |
GR3017667T3 (en) | 1996-01-31 |
WO1991014333A1 (en) | 1991-09-19 |
ES2077836T3 (es) | 1995-12-01 |
JPH05505708A (ja) | 1993-08-19 |
PT97039A (pt) | 1993-03-31 |
SE9000929L (sv) | 1991-09-16 |
TNSN91014A1 (fr) | 1992-10-25 |
CA2074479A1 (en) | 1991-09-16 |
SE465799B (sv) | 1991-10-28 |
SE9000929D0 (sv) | 1990-03-15 |
DE69112887D1 (de) | 1995-10-19 |
AU7541091A (en) | 1991-10-10 |
NO923433D0 (no) | 1992-09-03 |
NO923433L (no) | 1992-09-03 |
FI923862A0 (fi) | 1992-08-28 |
DE69112887T2 (de) | 1996-03-14 |
KR0129037B1 (ko) | 1998-04-08 |
DK0452286T3 (da) | 1995-11-13 |
EP0452286A1 (en) | 1991-10-16 |
EP0452286B1 (en) | 1995-09-13 |
PT97039B (pt) | 1998-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 11/02/2011 |