PT72558B - Systeme de reseau de distribution des tensions d'alimentation pour systemes de telecommunication - Google Patents
Systeme de reseau de distribution des tensions d'alimentation pour systemes de telecommunicationInfo
- Publication number
- PT72558B PT72558B PT72558A PT7255881A PT72558B PT 72558 B PT72558 B PT 72558B PT 72558 A PT72558 A PT 72558A PT 7255881 A PT7255881 A PT 7255881A PT 72558 B PT72558 B PT 72558B
- Authority
- PT
- Portugal
- Prior art keywords
- power supply
- network system
- distribution network
- telecommunication systems
- supply distribution
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
- Direct Current Feeding And Distribution (AREA)
- Emergency Protection Circuit Devices (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20137/80A IT1149828B (it) | 1980-02-25 | 1980-02-25 | Rete per la distribuzione della tensione di alimentazione di sistemi di telecomunicazioni |
Publications (2)
Publication Number | Publication Date |
---|---|
PT72558A PT72558A (fr) | 1981-03-01 |
PT72558B true PT72558B (fr) | 1982-03-12 |
Family
ID=11164113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT72558A PT72558B (fr) | 1980-02-25 | 1981-02-24 | Systeme de reseau de distribution des tensions d'alimentation pour systemes de telecommunication |
Country Status (10)
Country | Link |
---|---|
US (1) | US4346422A (pt) |
AR (1) | AR227175A1 (pt) |
BR (1) | BR8101067A (pt) |
DE (1) | DE3105959A1 (pt) |
ES (1) | ES499683A0 (pt) |
FR (1) | FR2476956A1 (pt) |
GB (1) | GB2071437A (pt) |
IT (1) | IT1149828B (pt) |
PT (1) | PT72558B (pt) |
SE (1) | SE8100699L (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4530024A (en) * | 1981-06-23 | 1985-07-16 | The United States Of America As Represented By The Secretary Of The Navy | Computer-controlled system for protecting electric circuits |
GB8921503D0 (en) * | 1989-09-22 | 1989-11-08 | Ramonspark Limited | Telemtry |
US5272585A (en) * | 1991-06-27 | 1993-12-21 | Gibbs John H | System to prevent electrical shorts by a microprocessor breaker box |
US6933714B2 (en) * | 2002-02-19 | 2005-08-23 | Institut Fuer Solare Energieversorgungs-Technik (Iset) Verein An Der Universitaet Gesamthochschule Kassel E.V. | Method and apparatus for measuring the impedance of an electrical energy supply system |
JP2003244039A (ja) * | 2002-02-20 | 2003-08-29 | Alps Electric Co Ltd | 配電盤及び該配電盤を用いた有線式通信ネットワークシステム |
US7109603B2 (en) * | 2003-01-16 | 2006-09-19 | Quality Rf Services | Power converter system |
EP1480435A1 (fr) * | 2003-05-21 | 2004-11-24 | CE + T International | Procédé et dispositif de transmission d'énergie électrique dans un système de télécommunications par fils |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE952105C (de) * | 1953-03-27 | 1956-11-08 | Felten & Guilleaume Gmbh | Schaltungsanordnung zur Unterdruecktung von Stoerfrequenzen |
US3041515A (en) * | 1960-12-22 | 1962-06-26 | Texas Instruments Inc | Protective circuit |
DE2057571C3 (de) * | 1970-11-23 | 1974-04-04 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Schaltungsanordnung für Fernmeldeanlagen, insbesondere Fernsprechvermittlungsanlagen, mit individuellen und zentralen Geräten |
US3873887A (en) * | 1974-03-18 | 1975-03-25 | Gen Electric | Alternating-current power delivery system |
US4117526A (en) * | 1976-08-06 | 1978-09-26 | Tri-Venture | Undervoltage protection device |
US4132860A (en) * | 1977-08-01 | 1979-01-02 | Crest Industries, Inc. | Hold control for a key telephone system |
-
1980
- 1980-02-25 IT IT20137/80A patent/IT1149828B/it active
-
1981
- 1981-01-30 SE SE8100699A patent/SE8100699L/ not_active Application Discontinuation
- 1981-02-09 AR AR284252A patent/AR227175A1/es active
- 1981-02-11 FR FR8102653A patent/FR2476956A1/fr not_active Withdrawn
- 1981-02-18 DE DE19813105959 patent/DE3105959A1/de not_active Withdrawn
- 1981-02-19 GB GB8105283A patent/GB2071437A/en not_active Withdrawn
- 1981-02-21 ES ES499683A patent/ES499683A0/es active Granted
- 1981-02-23 BR BR8101067A patent/BR8101067A/pt unknown
- 1981-02-24 PT PT72558A patent/PT72558B/pt unknown
- 1981-02-24 US US06/237,673 patent/US4346422A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3105959A1 (de) | 1982-01-07 |
SE8100699L (sv) | 1981-08-26 |
AR227175A1 (es) | 1982-09-30 |
IT1149828B (it) | 1986-12-10 |
GB2071437A (en) | 1981-09-16 |
FR2476956A1 (fr) | 1981-08-28 |
BR8101067A (pt) | 1981-09-01 |
IT8020137A0 (it) | 1980-02-25 |
ES8201796A1 (es) | 1982-01-01 |
US4346422A (en) | 1982-08-24 |
PT72558A (fr) | 1981-03-01 |
ES499683A0 (es) | 1982-01-01 |
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