PT88458A - Systeme et dispositif de protection et de telealimentation pourequipement connecte par deux transformateurs a une liaison de transmission a quatre fils - Google Patents

Systeme et dispositif de protection et de telealimentation pourequipement connecte par deux transformateurs a une liaison de transmission a quatre fils

Info

Publication number
PT88458A
PT88458A PT88458A PT8845888A PT88458A PT 88458 A PT88458 A PT 88458A PT 88458 A PT88458 A PT 88458A PT 8845888 A PT8845888 A PT 8845888A PT 88458 A PT88458 A PT 88458A
Authority
PT
Portugal
Prior art keywords
protection
wires
telealimentation
pourequipement
connecte
Prior art date
Application number
PT88458A
Other languages
English (en)
Other versions
PT88458B (pt
Inventor
Gerard Douhet
Yves Daviaud
Original Assignee
Telephonie Ind Commerciale
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telephonie Ind Commerciale filed Critical Telephonie Ind Commerciale
Publication of PT88458A publication Critical patent/PT88458A/pt
Publication of PT88458B publication Critical patent/PT88458B/pt

Links

Classifications

    • 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
PT88458A 1987-09-09 1988-09-08 Sistema e dispositivo de proteccao e telealimentacao para equipamento ligado por meio de dois transformadores a uma ligacao de transmissao a quatro fios PT88458B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8712511A FR2620291B1 (fr) 1987-09-09 1987-09-09 Systeme et dispositif de protection et de telealimentation pour equipement connecte par deux transformateurs a une liaison de transmission a quatre fils

Publications (2)

Publication Number Publication Date
PT88458A true PT88458A (pt) 1989-07-31
PT88458B PT88458B (pt) 1993-09-30

Family

ID=9354750

Family Applications (1)

Application Number Title Priority Date Filing Date
PT88458A PT88458B (pt) 1987-09-09 1988-09-08 Sistema e dispositivo de proteccao e telealimentacao para equipamento ligado por meio de dois transformadores a uma ligacao de transmissao a quatro fios

Country Status (8)

Country Link
US (1) US4953055A (pt)
EP (1) EP0307781B1 (pt)
AT (1) ATE85485T1 (pt)
DE (1) DE3878105T2 (pt)
ES (1) ES2038259T3 (pt)
FR (1) FR2620291B1 (pt)
IE (1) IE61599B1 (pt)
PT (1) PT88458B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490171A (en) * 1994-03-09 1996-02-06 International Business Machines Corporation Single-port network node transceiver with powered-down protection
AU4841396A (en) * 1995-01-27 1996-08-14 Itecom, Incorporated Multimedia system having central power source and distribution subsystem
GB9614561D0 (en) * 1996-07-11 1996-09-04 4Links Ltd Communication system with improved code
DE19709710C1 (de) * 1997-03-10 1998-10-01 Siemens Ag So-Schnittstelle für einen ISDN-Basisanschluß
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
US6961303B1 (en) 2000-09-21 2005-11-01 Serconet Ltd. Telephone communication system and method over local area network wiring
FR2819364B1 (fr) * 2001-01-08 2003-04-11 Cit Alcatel Dispositif de telealementation d'uin terminal dans un reseau de telecommunication, concentrateur, et repeteur comportant un tel dispositif
EP1271840A1 (en) * 2001-06-21 2003-01-02 Alcatel Method for remotely powering at least one board or card interconnected with an other board or card
GB2384407A (en) * 2002-01-22 2003-07-23 Mitel Knowledge Corp Power supply for phantom-feed lan connected device using spare-pair powering
IL152824A (en) 2002-11-13 2012-05-31 Mosaid Technologies Inc A socket that can be connected to and the network that uses it
ATE360952T1 (de) * 2003-11-07 2007-05-15 Cherokee Europ Sa Verfahren und vorrichtungen zur fernbestromung durch verwendung mehrerer teilnehmeranschlüsse
US20050118945A1 (en) * 2003-11-28 2005-06-02 Ce + T International Device for transmitting electrical energy in a cabled telecommunication system
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US7827418B2 (en) * 2005-01-25 2010-11-02 Linear Technology Corporation Controlling power distribution among multiple wires in communication cable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673335A (en) * 1970-08-24 1972-06-27 Bell Telephone Labor Inc Switching of time division multiplex lines and analog trunks through telephone central offices
FR2517908A1 (fr) * 1981-12-03 1983-06-10 Telephonie Ind Commerciale Procede et systeme de transmission entre deux organes d'informations codees sous forme d'octets et multiplexees dans le temps
US4480152A (en) * 1982-02-26 1984-10-30 Western Electric Company, Inc. Methods and apparatus for protecting line relay contacts in a telephone switching system
EP0290914B1 (de) * 1987-05-15 1991-12-04 Siemens Aktiengesellschaft Zustandssignalbildung zur Anzeige des Überganges in die Betriebsart "Bypass" bei einer Einrichtung zur Hochspannungsgleichstromübertragung

Also Published As

Publication number Publication date
IE61599B1 (en) 1994-11-16
US4953055A (en) 1990-08-28
DE3878105T2 (de) 1993-05-27
EP0307781B1 (fr) 1993-02-03
EP0307781A1 (fr) 1989-03-22
ES2038259T3 (es) 1993-07-16
ATE85485T1 (de) 1993-02-15
FR2620291B1 (fr) 1989-11-24
IE882725L (en) 1989-03-09
DE3878105D1 (de) 1993-03-18
FR2620291A1 (fr) 1989-03-10
PT88458B (pt) 1993-09-30

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930302

NF3A Restitutio in integrum

Effective date: 19941124

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19950930