BE844762A - Ensemble de telephonie automatique a protection contre les interruptions de signalisation - Google Patents

Ensemble de telephonie automatique a protection contre les interruptions de signalisation

Info

Publication number
BE844762A
BE844762A BE169454A BE169454A BE844762A BE 844762 A BE844762 A BE 844762A BE 169454 A BE169454 A BE 169454A BE 169454 A BE169454 A BE 169454A BE 844762 A BE844762 A BE 844762A
Authority
BE
Belgium
Prior art keywords
output
emi
input
triggered
signal
Prior art date
Application number
BE169454A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE844762A publication Critical patent/BE844762A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
BE169454A 1975-08-01 1976-07-30 Ensemble de telephonie automatique a protection contre les interruptions de signalisation BE844762A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7508728A SE387812B (sv) 1975-08-01 1975-08-01 Automatiskt telefonsystem forsett med ett skydd mot avbrottsstorningar vid registersignalering

Publications (1)

Publication Number Publication Date
BE844762A true BE844762A (fr) 1976-11-16

Family

ID=20325236

Family Applications (1)

Application Number Title Priority Date Filing Date
BE169454A BE844762A (fr) 1975-08-01 1976-07-30 Ensemble de telephonie automatique a protection contre les interruptions de signalisation

Country Status (3)

Country Link
BE (1) BE844762A (de)
IN (1) IN144483B (de)
SE (1) SE387812B (de)

Also Published As

Publication number Publication date
IN144483B (de) 1978-05-06
SE387812B (sv) 1976-09-13

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TELEFON-A.B. L M ERICSSON

Effective date: 19850731