[go: up one dir, main page]

CH481543A - Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems - Google Patents

Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems

Info

Publication number
CH481543A
CH481543A CH1440568A CH1440568A CH481543A CH 481543 A CH481543 A CH 481543A CH 1440568 A CH1440568 A CH 1440568A CH 1440568 A CH1440568 A CH 1440568A CH 481543 A CH481543 A CH 481543A
Authority
CH
Switzerland
Prior art keywords
systems
detection
display
circuit arrangement
signal
Prior art date
Application number
CH1440568A
Other languages
German (de)
Inventor
Karl Dipl Ing Rutkowski
Anton Dipl Ing Sennefelder
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH481543A publication Critical patent/CH481543A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH1440568A 1967-09-29 1968-09-26 Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems CH481543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1537840 1967-09-29

Publications (1)

Publication Number Publication Date
CH481543A true CH481543A (en) 1969-11-15

Family

ID=5675955

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1440568A CH481543A (en) 1967-09-29 1968-09-26 Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems

Country Status (5)

Country Link
AT (1) AT283457B (en)
CH (1) CH481543A (en)
FR (1) FR1583383A (en)
GB (1) GB1189919A (en)
SE (1) SE330715B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749506B1 (en) 1996-06-07 1998-08-07 Oreal DETERGENT COSMETIC COMPOSITIONS FOR HAIR USE AND USE

Also Published As

Publication number Publication date
GB1189919A (en) 1970-04-29
SE330715B (en) 1970-11-30
FR1583383A (en) 1969-10-24
AT283457B (en) 1970-08-10

Similar Documents

Publication Publication Date Title
CH395198A (en) Circuit arrangement for checking the occupancy status and for blocking test lines in telecommunication systems, especially telephone systems
AT283457B (en) Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems
AT262387B (en) Circuit arrangement for the central monitoring of timing circuits of several functional units in telecommunication systems, in particular telephone switching systems
AT259033B (en) Arrangement for the detection of signal pulses occurring in random order on signal lines, in particular of counting pulses in telephone systems
AT297806B (en) Circuit arrangement for testing connection lines in telephone exchange systems
AT291358B (en) Arrangement for monitoring the signal status of signal lines, in particular connecting lines in telephone systems
AT263864B (en) Circuit arrangement for displaying the call number of subscriber lines in telephone switching systems
AT272416B (en) Arrangement for monitoring the signal status of signal lines, in particular connecting lines in telephone systems
AT245634B (en) Circuit arrangement for the central acquisition of signal pulses occurring on telecommunication lines in random sequence, in particular of charge pulses in telephone systems
NL166556C (en) ELECTRONIC DISPLAY.
BR6462449D0 (en) DETECTION AND SIGNALING SYSTEMS
AT254277B (en) Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status
CH443411A (en) Circuit arrangement for monitoring telecommunication lines, in particular telephone lines
AT284213B (en) Arrangement for the detection of signal pulses occurring in random sequence on several signal lines, e.g. of charge pulses in telephone systems
CH469416A (en) Device for identification and signaling in telecommunication switching systems
CA679804A (en) Electronic telephone systems and ringing arrangements therefor
AT294200B (en) Circuit arrangement for identifying a subscriber in telephone switching systems
CH482375A (en) Circuit arrangement for monitoring the signal status of signal lines and / or switching devices for the purpose of identifying and completing switching orders by a central device in telecommunications, in particular telephone systems
DK102529C (en) Electronic line circuit in remote signaling systems.
CH476433A (en) Circuit arrangement for testing the connection paths in telephone switching systems
AT273241B (en) Circuit arrangement for telecommunications systems, in particular telephone switching systems, with central and individual devices
FR1521708A (en) Integrated circuit system
FR1406896A (en) Capacitor switching on and off
CA717211A (en) Condition sensing systems and circuits therefor
CA675707A (en) Electronic communication system and counting circuits therefor

Legal Events

Date Code Title Description
PL Patent ceased