GB1438513A - Circuit arrangement for transmitting selector and switching indentification charcters in message transmission plants with delta modulation - Google Patents

Circuit arrangement for transmitting selector and switching indentification charcters in message transmission plants with delta modulation

Info

Publication number
GB1438513A
GB1438513A GB2706573A GB2706573A GB1438513A GB 1438513 A GB1438513 A GB 1438513A GB 2706573 A GB2706573 A GB 2706573A GB 2706573 A GB2706573 A GB 2706573A GB 1438513 A GB1438513 A GB 1438513A
Authority
GB
United Kingdom
Prior art keywords
charcters
indentification
switching
circuit arrangement
message transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2706573A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1438513A publication Critical patent/GB1438513A/en
Expired legal-status Critical Current

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
    • 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
    • H04Q1/39—Signalling arrangements; Manipulation of signalling currents using coded pulse groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
GB2706573A 1972-06-14 1973-06-06 Circuit arrangement for transmitting selector and switching indentification charcters in message transmission plants with delta modulation Expired GB1438513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722228875 DE2228875C3 (de) 1972-06-14 1972-06-14 Schaltungsanordnung zum Übertragen von Wähl- und Schaltkennzeichen in Nachrichten-Übertragungsanlagen mit Deltamodulation

Publications (1)

Publication Number Publication Date
GB1438513A true GB1438513A (en) 1976-06-09

Family

ID=5847695

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2706573A Expired GB1438513A (en) 1972-06-14 1973-06-06 Circuit arrangement for transmitting selector and switching indentification charcters in message transmission plants with delta modulation

Country Status (4)

Country Link
DE (1) DE2228875C3 (enExample)
GB (1) GB1438513A (enExample)
IT (1) IT989080B (enExample)
NL (1) NL173230C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE404982B (sv) * 1977-12-22 1978-11-06 Ericsson Telefon Ab L M Sett och anordning for att i en telefonianleggning overfora digital information
NL7905968A (nl) * 1979-08-03 1981-02-05 Philips Nv Werkwijze voor het detecteren van een digitaal code- woord en codedetector voor het uitvoeren van de werkwijze.
DE2937937A1 (de) * 1979-09-18 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Sprachsignalauswerteeinrichtung fuer fernmeldeanlagen, insbesondere fernsprechvermittlungsanlagen, mit digitaler sprachsignaluebertragung

Also Published As

Publication number Publication date
AU5676473A (en) 1974-12-12
NL7308207A (enExample) 1973-12-18
DE2228875A1 (de) 1974-01-03
DE2228875B2 (de) 1979-07-05
DE2228875C3 (de) 1980-03-06
NL173230B (nl) 1983-07-18
NL173230C (nl) 1983-12-16
IT989080B (it) 1975-05-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees