CA1025125A - Digital signaling on a pulse code modulation transmission system - Google Patents

Digital signaling on a pulse code modulation transmission system

Info

Publication number
CA1025125A
CA1025125A CA223,090A CA223090A CA1025125A CA 1025125 A CA1025125 A CA 1025125A CA 223090 A CA223090 A CA 223090A CA 1025125 A CA1025125 A CA 1025125A
Authority
CA
Canada
Prior art keywords
transmission system
pulse code
code modulation
modulation transmission
digital signaling
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
CA223,090A
Other languages
English (en)
French (fr)
Inventor
Douglas C. Donohoe
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1025125A publication Critical patent/CA1025125A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Communication Control (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CA223,090A 1974-04-24 1975-03-26 Digital signaling on a pulse code modulation transmission system Expired CA1025125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463532A US3922495A (en) 1974-04-24 1974-04-24 Digital signaling on a pulse code modulation transmission system

Publications (1)

Publication Number Publication Date
CA1025125A true CA1025125A (en) 1978-01-24

Family

ID=23840426

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223,090A Expired CA1025125A (en) 1974-04-24 1975-03-26 Digital signaling on a pulse code modulation transmission system

Country Status (11)

Country Link
US (1) US3922495A (de)
JP (1) JPS50147602A (de)
AU (1) AU498273B2 (de)
BE (1) BE828153A (de)
CA (1) CA1025125A (de)
DE (1) DE2517848A1 (de)
FR (1) FR2269260B1 (de)
GB (1) GB1489286A (de)
IT (1) IT1032742B (de)
NL (1) NL7504808A (de)
SE (1) SE410258B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007334A (en) * 1975-07-02 1977-02-08 Bell Telephone Laboratories, Incorporated Time division digital local telephone office with telemetering line unit
GB1539389A (en) * 1975-12-30 1979-01-31 Standard Telephones Cables Ltd Data transmission
US4117268A (en) * 1976-04-09 1978-09-26 Stromberg-Carlson Corporation Digital direct response switching system
US4143241A (en) * 1977-06-10 1979-03-06 Bell Telephone Laboratories, Incorporated Small digital time division switching arrangement
US4271509A (en) * 1979-07-13 1981-06-02 Bell Telephone Laboratories, Incorporated Supervisory signaling for digital channel banks
US4417335A (en) * 1979-12-19 1983-11-22 Gte Automatic Electric Labs Inc. Digital satellite telephone office
US4393493A (en) * 1980-11-10 1983-07-12 International Telephone And Telegraph Corporation Automatic protection apparatus for span lines employed in high speed digital systems
US4513411A (en) * 1982-09-01 1985-04-23 At&T Bell Laboratories Transmission of status report of equipment in a digital transmission network
EP0441980B1 (de) * 1989-09-04 1997-04-09 Fujitsu Limited Relaisvermittlungsanlage für zeitmultiplexdaten
US5144624A (en) * 1990-11-19 1992-09-01 Integrated Network Corporation Direct digital access telecommunication system with signaling bit detection
EP2782280A1 (de) 2013-03-20 2014-09-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zweistufen-Signalisierung für die Übertragung eines Datenstroms

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136804C (de) * 1960-12-30
US3358082A (en) * 1964-07-28 1967-12-12 Bell Telephone Labor Inc Time division multiplex digital transmission arrangement
US3359373A (en) * 1966-05-24 1967-12-19 Bell Telephone Labor Inc Pcm telephone signaling with timedivided signaling digit spaces
US3806654A (en) * 1971-05-26 1974-04-23 North Electric Co Arrangement for transmitting digital pulses through an analog tdm switching system

Also Published As

Publication number Publication date
AU8044975A (en) 1976-10-28
IT1032742B (it) 1979-06-20
NL7504808A (nl) 1975-10-28
GB1489286A (en) 1977-10-19
BE828153A (fr) 1975-08-18
FR2269260B1 (de) 1977-07-08
SE7504191L (sv) 1975-10-27
JPS50147602A (de) 1975-11-26
DE2517848A1 (de) 1975-11-06
AU498273B2 (en) 1979-03-01
US3922495A (en) 1975-11-25
FR2269260A1 (de) 1975-11-21
SE410258B (sv) 1979-10-01

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