CH530136A - Alarm circuit for data transmission systems - Google Patents

Alarm circuit for data transmission systems

Info

Publication number
CH530136A
CH530136A CH19371A CH19371A CH530136A CH 530136 A CH530136 A CH 530136A CH 19371 A CH19371 A CH 19371A CH 19371 A CH19371 A CH 19371A CH 530136 A CH530136 A CH 530136A
Authority
CH
Switzerland
Prior art keywords
data transmission
transmission systems
alarm circuit
alarm
circuit
Prior art date
Application number
CH19371A
Other languages
Italian (it)
Inventor
Balugani Fabio
Fornasiero Paolo
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of CH530136A publication Critical patent/CH530136A/en

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)
  • Electric Clocks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
CH19371A 1970-01-27 1971-01-07 Alarm circuit for data transmission systems CH530136A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH530136A true CH530136A (en) 1972-10-31

Family

ID=11161631

Family Applications (1)

Application Number Title Priority Date Filing Date
CH19371A CH530136A (en) 1970-01-27 1971-01-07 Alarm circuit for data transmission systems

Country Status (5)

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

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
EP0020827B1 (en) * 1979-06-15 1982-12-01 The 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
GB1278877A (en) 1972-06-21
DE2063581B2 (en) 1978-12-07
FR2077343B1 (en) 1973-01-12
DE2063581A1 (en) 1971-08-05
DE2063581C3 (en) 1979-08-09
FR2077343A1 (en) 1971-10-22
AT312689B (en) 1974-01-10

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: ITALTEL S.P.A.

PL Patent ceased