NL6915947A - - Google Patents

Info

Publication number
NL6915947A
NL6915947A NL6915947A NL6915947A NL6915947A NL 6915947 A NL6915947 A NL 6915947A NL 6915947 A NL6915947 A NL 6915947A NL 6915947 A NL6915947 A NL 6915947A NL 6915947 A NL6915947 A NL 6915947A
Authority
NL
Netherlands
Application number
NL6915947A
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 NL6915947A publication Critical patent/NL6915947A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/06—Time-space-time switching
    • 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
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
NL6915947A 1968-10-22 1969-10-22 NL6915947A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1576568A CH483176A (de) 1968-10-22 1968-10-22 Anordnung zur Einspeisung von Hörzeichen in Zeitmultiplex-PCM-Vermittlungsanlagen

Publications (1)

Publication Number Publication Date
NL6915947A true NL6915947A (xx) 1970-04-24

Family

ID=4411751

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6915947A NL6915947A (xx) 1968-10-22 1969-10-22

Country Status (3)

Country Link
CH (1) CH483176A (xx)
DE (1) DE1945155C3 (xx)
NL (1) NL6915947A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098528A5 (xx) * 1970-07-17 1972-03-10 Lannionnais Electronique
NL7110444A (xx) * 1971-07-29 1973-01-31 Philips Nv
DE2819119C3 (de) * 1978-04-29 1980-10-30 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
FR2476422A1 (fr) * 1980-02-19 1981-08-21 Cit Alcatel Emetteur numerique de frequences
DE3202084A1 (de) * 1981-02-28 1983-08-11 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur ferngesteuerten umschaltung von teilnehmeranschluessen auf eine ansageeinrichtung
DE3116576A1 (de) * 1981-04-27 1982-11-18 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zum betreiben eines digitalen hoertongenerators
FR2529426B1 (fr) * 1982-06-29 1988-05-06 Thomson Csf Mat Tel Generateur de frequences utilisees dans un autocommutateur temporel numerique

Also Published As

Publication number Publication date
CH483176A (de) 1969-12-15
DE1945155B2 (de) 1977-01-27
DE1945155A1 (de) 1970-04-30
DE1945155C3 (de) 1980-09-25

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Legal Events

Date Code Title Description
BV The patent application has lapsed