CH433458A - Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status - Google Patents

Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status

Info

Publication number
CH433458A
CH433458A CH555865A CH555865A CH433458A CH 433458 A CH433458 A CH 433458A CH 555865 A CH555865 A CH 555865A CH 555865 A CH555865 A CH 555865A CH 433458 A CH433458 A CH 433458A
Authority
CH
Switzerland
Prior art keywords
systems
signal lines
circuit arrangement
monitoring signal
particular telephone
Prior art date
Application number
CH555865A
Other languages
German (de)
Inventor
Liegsalz Josef
Fischer Kurt Ing Dr
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 CH433458A publication Critical patent/CH433458A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Rectifiers (AREA)
  • Relay Circuits (AREA)
CH555865A 1964-04-24 1965-04-22 Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status CH433458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964S0090735 DE1276751B (en) 1964-04-24 1964-04-24 Circuit arrangement for monitoring signal lines for their switching state in telecommunication systems, in particular telephone systems

Publications (1)

Publication Number Publication Date
CH433458A true CH433458A (en) 1967-04-15

Family

ID=7516036

Family Applications (1)

Application Number Title Priority Date Filing Date
CH555865A CH433458A (en) 1964-04-24 1965-04-22 Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status

Country Status (8)

Country Link
AT (1) AT254277B (en)
BE (1) BE662958A (en)
CH (1) CH433458A (en)
DE (1) DE1276751B (en)
FI (1) FI51415C (en)
GB (1) GB1072762A (en)
NL (1) NL6504780A (en)
SE (1) SE353203B (en)

Also Published As

Publication number Publication date
FI51415B (en) 1976-08-31
GB1072762A (en) 1967-06-21
SE353203B (en) 1973-01-22
DE1276751B (en) 1968-09-05
FI51415C (en) 1976-12-10
AT254277B (en) 1967-05-10
NL6504780A (en) 1965-10-25
BE662958A (en) 1965-10-25

Similar Documents

Publication Publication Date Title
AT262387B (en) Circuit arrangement for the central monitoring of timing circuits of several functional units in telecommunication systems, in particular telephone switching systems
CH467567A (en) Circuit arrangement in telecommunications, in particular telephone switching systems
AT254277B (en) Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status
CH449717A (en) Circuit arrangement for telecommunication switching systems, in particular telephone systems, with coupling fields
AT274054B (en) Circuit arrangement for centrally controlled telecommunications systems, in particular telephone switching systems
CH435387A (en) Circuit arrangement for telecommunications, in particular telephone systems, with central billing
CH429845A (en) Circuit arrangement for checking circuits and / or lines for their occupancy status in telecommunication systems, in particular telephone switching systems
CH413923A (en) Circuit arrangement for telecommunication switching systems, in particular telephone switching systems
AT259030B (en) Circuit arrangement for telecommunication switching systems, in particular telephone systems, with coupling fields
AT257699B (en) Circuit arrangement for control purposes in telecommunication systems with coupling fields, in particular in telephone systems
CH411045A (en) Subscriber circuit for telecommunications, in particular telephone systems
AT263864B (en) Circuit arrangement for displaying the call number of subscriber lines in telephone switching systems
CH434387A (en) Circuit arrangement for the transmission of series of current impulses in telecommunication systems, in particular telephone systems
AT292795B (en) Circuit arrangement for controlling crosspoints in coupling arrangements in telecommunications, in particular telephone switching systems
AT246233B (en) Circuit arrangement for telecommunications, in particular telephone systems
AT290633B (en) Circuit arrangement for telecommunication switching systems, in particular telephone switching systems
CH427920A (en) Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, with multi-stage switching matrices
CH440387A (en) Circuit arrangement for switching systems, in particular telephone switching systems
CH423893A (en) Circuit arrangement for telecommunication switching systems with markings, in particular telephone switching systems
CH443411A (en) Circuit arrangement for monitoring telecommunication lines, in particular telephone lines
AT251051B (en) Circuit arrangement for telecommunications switching systems with markers
CH453437A (en) Circuit arrangement for telecommunication switching systems, in particular telephone systems
CH417698A (en) Circuit arrangement for telecommunication, in particular telephone systems, in which switching indicators are temporarily stored
CH440386A (en) Circuit arrangement for wide-spanning switching fields marked over several switching stages in telecommunication systems, in particular telephone switching systems
CH473516A (en) Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, with two-wire connection