FR2711469B1 - Circuit d'alimentation électrique apte à être relié au réseau téléphonique. - Google Patents

Circuit d'alimentation électrique apte à être relié au réseau téléphonique.

Info

Publication number
FR2711469B1
FR2711469B1 FR9312348A FR9312348A FR2711469B1 FR 2711469 B1 FR2711469 B1 FR 2711469B1 FR 9312348 A FR9312348 A FR 9312348A FR 9312348 A FR9312348 A FR 9312348A FR 2711469 B1 FR2711469 B1 FR 2711469B1
Authority
FR
France
Prior art keywords
power supply
supply circuit
telephone network
circuit capable
telephone
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
FR9312348A
Other languages
English (en)
Other versions
FR2711469A1 (fr
Inventor
Alain Bazin
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.)
Schlumberger SA
Original Assignee
Schlumberger SA
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 Schlumberger SA filed Critical Schlumberger SA
Priority to FR9312348A priority Critical patent/FR2711469B1/fr
Publication of FR2711469A1 publication Critical patent/FR2711469A1/fr
Application granted granted Critical
Publication of FR2711469B1 publication Critical patent/FR2711469B1/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
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Telephonic Communication Services (AREA)
FR9312348A 1993-10-18 1993-10-18 Circuit d'alimentation électrique apte à être relié au réseau téléphonique. Expired - Fee Related FR2711469B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9312348A FR2711469B1 (fr) 1993-10-18 1993-10-18 Circuit d'alimentation électrique apte à être relié au réseau téléphonique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9312348A FR2711469B1 (fr) 1993-10-18 1993-10-18 Circuit d'alimentation électrique apte à être relié au réseau téléphonique.

Publications (2)

Publication Number Publication Date
FR2711469A1 FR2711469A1 (fr) 1995-04-28
FR2711469B1 true FR2711469B1 (fr) 1995-11-24

Family

ID=9451909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9312348A Expired - Fee Related FR2711469B1 (fr) 1993-10-18 1993-10-18 Circuit d'alimentation électrique apte à être relié au réseau téléphonique.

Country Status (1)

Country Link
FR (1) FR2711469B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557396A1 (fr) * 1983-11-15 1985-06-28 Gesi Alimentation a haute impedance pour circuit electronique alimente par une ligne de telephone
FR2619970B1 (fr) * 1987-08-26 1990-04-06 Crouzet Sa Dispositif de conversion continu-continu pour alimentation
US5132895A (en) * 1990-12-11 1992-07-21 Motorola, Inc. Variable charge pumping DC-to-DC converter

Also Published As

Publication number Publication date
FR2711469A1 (fr) 1995-04-28

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Legal Events

Date Code Title Description
GC Lien (pledge) constituted
ST Notification of lapse
DG Cancellation of a lien (pledge) due to a juridical decision