FR2077343A1 - - Google Patents

Info

Publication number
FR2077343A1
FR2077343A1 FR7034260A FR7034260A FR2077343A1 FR 2077343 A1 FR2077343 A1 FR 2077343A1 FR 7034260 A FR7034260 A FR 7034260A FR 7034260 A FR7034260 A FR 7034260A FR 2077343 A1 FR2077343 A1 FR 2077343A1
Authority
FR
France
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.)
Granted
Application number
FR7034260A
Other languages
French (fr)
Other versions
FR2077343B1 (enExample
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.)
Italtel SpA
Siemens SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA, Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2077343A1 publication Critical patent/FR2077343A1/fr
Application granted granted Critical
Publication of FR2077343B1 publication Critical patent/FR2077343B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Manipulation Of Pulses (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Electric Clocks (AREA)
FR7034260A 1970-01-27 1970-09-22 Expired FR2077343B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1983070 1970-01-27

Publications (2)

Publication Number Publication Date
FR2077343A1 true FR2077343A1 (enExample) 1971-10-22
FR2077343B1 FR2077343B1 (enExample) 1973-01-12

Family

ID=11161631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7034260A Expired FR2077343B1 (enExample) 1970-01-27 1970-09-22

Country Status (5)

Country Link
AT (1) AT312689B (enExample)
CH (1) CH530136A (enExample)
DE (1) DE2063581C3 (enExample)
FR (1) FR2077343B1 (enExample)
GB (1) GB1278877A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766479A (en) * 1971-10-04 1973-10-16 Ncr Carrier detection circuit
DE2964136D1 (en) * 1979-06-15 1983-01-05 Post Office An arrangement for monitoring the performance of a digital transmission system
US4363030A (en) * 1979-11-30 1982-12-07 Drexelbrook Engineering Company Fail-safe instrument system
US4573040A (en) * 1979-11-30 1986-02-25 Drexelbrook Engineering Company Fail-safe instrument system

Also Published As

Publication number Publication date
CH530136A (it) 1972-10-31
GB1278877A (en) 1972-06-21
DE2063581B2 (de) 1978-12-07
DE2063581A1 (de) 1971-08-05
FR2077343B1 (enExample) 1973-01-12
DE2063581C3 (de) 1979-08-09
AT312689B (de) 1974-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse