BE489765A - - Google Patents

Info

Publication number
BE489765A
BE489765A BE489765DA BE489765A BE 489765 A BE489765 A BE 489765A BE 489765D A BE489765D A BE 489765DA BE 489765 A BE489765 A BE 489765A
Authority
BE
Belgium
Prior art keywords
sep
pulse
circuit
pulses
rectifier
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE489765A publication Critical patent/BE489765A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/515Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of DC signals of alternating polarity, coded pulses or impedance dialling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE489765D BE489765A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE489765A true BE489765A (enrdf_load_stackoverflow)

Family

ID=134633

Family Applications (1)

Application Number Title Priority Date Filing Date
BE489765D BE489765A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE489765A (enrdf_load_stackoverflow)

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