NO930424L - Switching device for recording rate pulses from a connection terminal for a telecommunications terminal - Google Patents

Switching device for recording rate pulses from a connection terminal for a telecommunications terminal

Info

Publication number
NO930424L
NO930424L NO930424A NO930424A NO930424L NO 930424 L NO930424 L NO 930424L NO 930424 A NO930424 A NO 930424A NO 930424 A NO930424 A NO 930424A NO 930424 L NO930424 L NO 930424L
Authority
NO
Norway
Prior art keywords
switching device
pulses
rate pulses
terminal
superimposed
Prior art date
Application number
NO930424A
Other languages
Norwegian (no)
Other versions
NO930424D0 (en
Inventor
Thomas Volk
Original Assignee
Bosch Telecom
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 Bosch Telecom filed Critical Bosch Telecom
Publication of NO930424D0 publication Critical patent/NO930424D0/en
Publication of NO930424L publication Critical patent/NO930424L/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Amplifiers (AREA)
  • Meter Arrangements (AREA)

Abstract

Registrering av takstpulser ved tilkoplingsledninger for telekommunikasjons-ende- enheter skal forstyrrelsesfritt gjennomføres uten bruk av induktans eller spoler. Bryteranordningen skal konstrueres slik at komponentene kan la seg sammenfatte i en integrert krets. Innkoplingspulsen (AI) for å sende takstpulser (GI) blir formet gjennom et RC- lavpassfilter (RCT) til en omhyllingskurve, som stiger og synker etter den e-funk- sjon. Ved en amplitudemodulator (AM) blir den formede innkoplingspulsen (AI) overlagret frekvensen (F) til takstpulsen (GI). Ved utgangen av amplitudemodulator- en (AM) er tilkoplet et lavpassfilter (TPF), som ved en firkantbølge sperrer for over- toner. Ved en etterinnkoplet analogadderer (ÅA) blir det sinusformede signalet til takstpulsene overlagret det analoge lavfrekvente nyttesignalet.The recording of tariff pulses at the connection wires for telecommunication end devices shall be interrupted without the use of inductance or coils. The switching device must be designed so that the components can be combined in an integrated circuit. The switching pulse (AI) for sending rate pulses (GI) is formed through an RC low pass filter (RCT) into an envelope curve, which rises and falls after the e-function. With an amplitude modulator (AM), the shaped switching pulse (AI) is superimposed on the frequency (F) of the rate pulse (GI). At the output of the amplitude modulator (AM) is connected a low pass filter (TPF), which in case of a square wave prevents overtones. At a post-switched analog adder (ÅA), the sinusoidal signal of the rate pulses is superimposed on the analog low-frequency utility signal.

NO930424A 1992-05-20 1993-02-08 Switching device for recording rate pulses from a connection terminal for a telecommunications terminal NO930424L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924216577 DE4216577C1 (en) 1992-05-20 1992-05-20

Publications (2)

Publication Number Publication Date
NO930424D0 NO930424D0 (en) 1993-02-08
NO930424L true NO930424L (en) 1993-11-22

Family

ID=6459269

Family Applications (1)

Application Number Title Priority Date Filing Date
NO930424A NO930424L (en) 1992-05-20 1993-02-08 Switching device for recording rate pulses from a connection terminal for a telecommunications terminal

Country Status (4)

Country Link
EP (1) EP0570664A3 (en)
DE (1) DE4216577C1 (en)
FI (1) FI932294A (en)
NO (1) NO930424L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408323C2 (en) * 1994-03-11 1999-03-11 Siemens Ag Method for generating a digital sinusoidal signal with a predetermined sampling rate and circuit arrangement for carrying out the method
DE10146891C2 (en) * 2001-09-24 2003-08-14 Infineon Technologies Ag Method for transmitting charge determination signals via a data transmission path and device for voltage level generation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237550C1 (en) * 1982-10-09 1983-09-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart Circuit arrangement for low-noise switching-on and -off of pulses from a sinusoidal alternating voltage, particularly of 16-kHz metering pulses in telephone systems
NZ209462A (en) * 1983-09-19 1988-02-29 Stc Plc Pulse generated: gated reference level replaces pulse base level
PT82786B (en) * 1985-06-21 1992-07-31 Siemens Ag CIRCUIT FOR INJECTION WITH A LITTLE NOISE OF PULSES FROM AN ALTERNATED SINUSOIDAL TENSION IN PARTICULAR OF 16 KHZ TAXATION IMPULSES
JPH0422263A (en) * 1990-05-17 1992-01-27 Fujitsu Ltd Charging signal generating circuit

Also Published As

Publication number Publication date
DE4216577C1 (en) 1993-05-06
FI932294A (en) 1993-11-21
NO930424D0 (en) 1993-02-08
FI932294A0 (en) 1993-05-19
EP0570664A3 (en) 1994-07-06
EP0570664A2 (en) 1993-11-24

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