SE389252B - CIRCUIT SIGNAL MONITORING CIRCUIT - Google Patents

CIRCUIT SIGNAL MONITORING CIRCUIT

Info

Publication number
SE389252B
SE389252B SE1633672A SE1633672A SE389252B SE 389252 B SE389252 B SE 389252B SE 1633672 A SE1633672 A SE 1633672A SE 1633672 A SE1633672 A SE 1633672A SE 389252 B SE389252 B SE 389252B
Authority
SE
Sweden
Prior art keywords
circuit
signal monitoring
monitoring circuit
circuit signal
signal
Prior art date
Application number
SE1633672A
Other languages
Swedish (sv)
Inventor
C Huot
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SE389252B publication Critical patent/SE389252B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Manipulation Of Pulses (AREA)
SE1633672A 1971-12-15 1972-12-14 CIRCUIT SIGNAL MONITORING CIRCUIT SE389252B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7145061A FR2165039A5 (en) 1971-12-15 1971-12-15

Publications (1)

Publication Number Publication Date
SE389252B true SE389252B (en) 1976-10-25

Family

ID=9087518

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1633672A SE389252B (en) 1971-12-15 1972-12-14 CIRCUIT SIGNAL MONITORING CIRCUIT

Country Status (8)

Country Link
BE (1) BE792551A (en)
CH (1) CH568686A5 (en)
DE (1) DE2260760A1 (en)
FR (1) FR2165039A5 (en)
GB (1) GB1408796A (en)
IT (1) IT976038B (en)
NL (1) NL7217081A (en)
SE (1) SE389252B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2440162C2 (en) * 1974-08-21 1981-12-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Circuit arrangement for signal-technically safe monitoring of periodic pulses
US4117348A (en) * 1977-07-11 1978-09-26 Rockwell International Corporation Multi-phase clock monitor circuit
DE2945984C2 (en) * 1979-11-14 1982-05-27 Eurosil GmbH, 8000 München Circuit arrangement for signaling the failure of periodic pulse signals

Also Published As

Publication number Publication date
GB1408796A (en) 1975-10-08
NL7217081A (en) 1973-06-19
BE792551A (en) 1973-06-12
DE2260760A1 (en) 1973-06-20
IT976038B (en) 1974-08-20
FR2165039A5 (en) 1973-08-03
CH568686A5 (en) 1975-10-31

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