BR8602975A - Disposicao de circuito para a separacao de parcelas de corrente continua e de corrente alternada de uma mistura de sinais - Google Patents

Disposicao de circuito para a separacao de parcelas de corrente continua e de corrente alternada de uma mistura de sinais

Info

Publication number
BR8602975A
BR8602975A BR8602975A BR8602975A BR8602975A BR 8602975 A BR8602975 A BR 8602975A BR 8602975 A BR8602975 A BR 8602975A BR 8602975 A BR8602975 A BR 8602975A BR 8602975 A BR8602975 A BR 8602975A
Authority
BR
Brazil
Prior art keywords
current
signal
direct current
separation
alternating current
Prior art date
Application number
BR8602975A
Other languages
English (en)
Inventor
Harald Stader
Hans Werner Rudolf
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BR8602975A publication Critical patent/BR8602975A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/026—Arrangements for interrupting the ringing current

Landscapes

  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Networks Using Active Elements (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Pulleys (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Amplitude Modulation (AREA)
  • Details Of Television Scanning (AREA)
  • Communication Cables (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mechanical Operated Clutches (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
BR8602975A 1985-06-27 1986-06-26 Disposicao de circuito para a separacao de parcelas de corrente continua e de corrente alternada de uma mistura de sinais BR8602975A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3523045 1985-06-27

Publications (1)

Publication Number Publication Date
BR8602975A true BR8602975A (pt) 1987-02-17

Family

ID=6274373

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8602975A BR8602975A (pt) 1985-06-27 1986-06-26 Disposicao de circuito para a separacao de parcelas de corrente continua e de corrente alternada de uma mistura de sinais

Country Status (7)

Country Link
EP (1) EP0208875B1 (pt)
AT (1) ATE45452T1 (pt)
BR (1) BR8602975A (pt)
DE (1) DE3664993D1 (pt)
DK (1) DK165088C (pt)
FI (1) FI86355C (pt)
PT (1) PT82846B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR241446A1 (es) * 1986-07-31 1992-07-31 Siemens Ag Disposicion de circuito para separar los componentes de corriente continua y de corriente alterna de una señal compuesta transmitida por via conductora.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564441A (en) * 1968-03-04 1971-02-16 United Control Corp Low-pass active filter
US3772477A (en) * 1972-07-17 1973-11-13 Bell Telephone Labor Inc Telephone dial pulse detection circuit
US4194091A (en) * 1978-12-29 1980-03-18 Bell Telephone Laboratories, Incorporated Line feed circuit

Also Published As

Publication number Publication date
FI862728A0 (fi) 1986-06-26
ATE45452T1 (de) 1989-08-15
DK165088B (da) 1992-10-05
DK302686A (da) 1986-12-28
EP0208875A1 (de) 1987-01-21
DK302686D0 (da) 1986-06-26
FI86355B (fi) 1992-04-30
DE3664993D1 (en) 1989-09-14
EP0208875B1 (de) 1989-08-09
FI86355C (fi) 1992-08-10
FI862728A (fi) 1986-12-28
PT82846A (de) 1986-07-01
DK165088C (da) 1993-02-15
PT82846B (pt) 1992-07-31

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)