DE68911613D1 - Stromausgleichsschaltung. - Google Patents

Stromausgleichsschaltung.

Info

Publication number
DE68911613D1
DE68911613D1 DE89201871T DE68911613T DE68911613D1 DE 68911613 D1 DE68911613 D1 DE 68911613D1 DE 89201871 T DE89201871 T DE 89201871T DE 68911613 T DE68911613 T DE 68911613T DE 68911613 D1 DE68911613 D1 DE 68911613D1
Authority
DE
Germany
Prior art keywords
equalization circuit
current equalization
current
circuit
equalization
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
DE89201871T
Other languages
English (en)
Other versions
DE68911613T2 (de
Inventor
Philippe Societe Civile Jouen
Jose Societe Civile Favoretto
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE68911613D1 publication Critical patent/DE68911613D1/de
Publication of DE68911613T2 publication Critical patent/DE68911613T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/738Interface circuits for coupling substations to external telephone lines
    • H04M1/76Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE68911613T 1988-07-22 1989-07-17 Stromausgleichsschaltung. Expired - Fee Related DE68911613T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809953A FR2634605B1 (fr) 1988-07-22 1988-07-22 Circuit de compensation de courant

Publications (2)

Publication Number Publication Date
DE68911613D1 true DE68911613D1 (de) 1994-02-03
DE68911613T2 DE68911613T2 (de) 1994-06-16

Family

ID=9368697

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68911613T Expired - Fee Related DE68911613T2 (de) 1988-07-22 1989-07-17 Stromausgleichsschaltung.

Country Status (6)

Country Link
US (1) US4994759A (de)
EP (1) EP0353808B1 (de)
JP (1) JPH02119304A (de)
BR (1) BR8903583A (de)
DE (1) DE68911613T2 (de)
FR (1) FR2634605B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124585A1 (de) * 1991-07-24 1993-01-28 Siemens Ag Steuerbare schaltungsanordnung
US5995619A (en) * 1996-12-31 1999-11-30 U.S. Philips Corporation Telephony device with compensation for line losses
JP2002057287A (ja) * 2000-08-09 2002-02-22 Rohm Co Ltd 半導体装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7115947A (de) * 1971-11-19 1973-05-22
DE3116262A1 (de) * 1981-04-24 1982-11-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "schaltungsanordnung zur erzeugung von steuergroessen aus dem schleifenstrom"
US4453037A (en) * 1981-12-28 1984-06-05 Mostek Corporation Loop length compensation circuit
US4439637A (en) * 1981-12-28 1984-03-27 Mostek Corporation Low loop current switch latch circuit

Also Published As

Publication number Publication date
BR8903583A (pt) 1990-03-20
EP0353808B1 (de) 1993-12-22
FR2634605A1 (fr) 1990-01-26
DE68911613T2 (de) 1994-06-16
FR2634605B1 (fr) 1990-10-05
EP0353808A1 (de) 1990-02-07
JPH02119304A (ja) 1990-05-07
US4994759A (en) 1991-02-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee