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ES418744A1 - Un sistema de transmision de informacion por modulacion en codigo de impulsos. - Google Patents

Un sistema de transmision de informacion por modulacion en codigo de impulsos.

Info

Publication number
ES418744A1
ES418744A1 ES418744A ES418744A ES418744A1 ES 418744 A1 ES418744 A1 ES 418744A1 ES 418744 A ES418744 A ES 418744A ES 418744 A ES418744 A ES 418744A ES 418744 A1 ES418744 A1 ES 418744A1
Authority
ES
Spain
Prior art keywords
test tone
decoder
measuring noise
transmit
encoder
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
ES418744A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES418744A1 publication Critical patent/ES418744A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/14Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
ES418744A 1972-09-14 1973-09-14 Un sistema de transmision de informacion por modulacion en codigo de impulsos. Expired ES418744A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4262572 1972-09-14

Publications (1)

Publication Number Publication Date
ES418744A1 true ES418744A1 (es) 1976-02-16

Family

ID=10425265

Family Applications (1)

Application Number Title Priority Date Filing Date
ES418744A Expired ES418744A1 (es) 1972-09-14 1973-09-14 Un sistema de transmision de informacion por modulacion en codigo de impulsos.

Country Status (3)

Country Link
DE (1) DE2345509B2 (es)
ES (1) ES418744A1 (es)
GB (1) GB1350850A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8512348D0 (en) * 1985-05-15 1985-06-19 British Broadcasting Corp Testing digital audio systems

Also Published As

Publication number Publication date
DE2345509B2 (de) 1978-07-27
DE2345509A1 (de) 1974-03-28
GB1350850A (en) 1974-04-24

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