FR2762165B1 - Circuit de ligne d'equipement serie de telephone - Google Patents

Circuit de ligne d'equipement serie de telephone

Info

Publication number
FR2762165B1
FR2762165B1 FR9804470A FR9804470A FR2762165B1 FR 2762165 B1 FR2762165 B1 FR 2762165B1 FR 9804470 A FR9804470 A FR 9804470A FR 9804470 A FR9804470 A FR 9804470A FR 2762165 B1 FR2762165 B1 FR 2762165B1
Authority
FR
France
Prior art keywords
line circuit
equipment line
series equipment
telephone
telephone series
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
Application number
FR9804470A
Other languages
English (en)
Other versions
FR2762165A1 (fr
Inventor
Valentin Purits
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitel Networks Inc
Original Assignee
Mitel Networks Inc
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 Mitel Networks Inc filed Critical Mitel Networks Inc
Publication of FR2762165A1 publication Critical patent/FR2762165A1/fr
Application granted granted Critical
Publication of FR2762165B1 publication Critical patent/FR2762165B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
FR9804470A 1997-04-14 1998-04-09 Circuit de ligne d'equipement serie de telephone Expired - Fee Related FR2762165B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/843,250 US5940500A (en) 1997-04-14 1997-04-14 Series equipment with DC line hold transfer

Publications (2)

Publication Number Publication Date
FR2762165A1 FR2762165A1 (fr) 1998-10-16
FR2762165B1 true FR2762165B1 (fr) 2004-08-27

Family

ID=25289450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9804470A Expired - Fee Related FR2762165B1 (fr) 1997-04-14 1998-04-09 Circuit de ligne d'equipement serie de telephone

Country Status (4)

Country Link
US (1) US5940500A (fr)
CA (1) CA2232221C (fr)
FR (1) FR2762165B1 (fr)
GB (1) GB2324439B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061587B4 (de) * 2000-12-11 2004-02-12 Siemens Ag Anordnung und Verfahren zur Datenkommunikation in einem Energieverteilungsnetz
US7511577B2 (en) * 2006-10-20 2009-03-31 Anritsu Company DC coupled microwave amplifier with adjustable offsets

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322586A (en) * 1980-11-13 1982-03-30 Northern Telecom Limited Transformerless line interface circuit
FR2617357B1 (fr) * 1987-06-24 1994-04-29 Crouzet Sa Appareil telephonique public a connexion permanente
US5315644A (en) * 1991-11-21 1994-05-24 Harris Corporation Telephone interface circuit
DE4207985A1 (de) * 1992-03-13 1993-09-16 Sel Alcatel Ag Verfahren und schaltungsanordnung zur uebertragung digitaler signale ueber teilnehmerleitungen
KR960700602A (ko) * 1993-01-14 1996-01-20 세이버리 그레도빌레 전화 네트워크 수행 모니터 방법 및 시스템(telephone network performance monitoring method and system)
GB9308168D0 (en) * 1993-04-20 1993-06-02 Madge Network Limited Impedance matching
US5790656A (en) * 1995-09-29 1998-08-04 Rockwell International Corporation Data access arrangement with telephone interface

Also Published As

Publication number Publication date
CA2232221C (fr) 2000-09-05
CA2232221A1 (fr) 1998-10-14
FR2762165A1 (fr) 1998-10-16
US5940500A (en) 1999-08-17
GB2324439B (en) 1999-03-10
GB2324439A (en) 1998-10-21
GB9806193D0 (en) 1998-05-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091231