CH368210A - Device without electromechanical relays for testing or testing and blocking at least one line of a telecommunication system, in particular a telephone system, specifically for testing its current occupancy status - Google Patents

Device without electromechanical relays for testing or testing and blocking at least one line of a telecommunication system, in particular a telephone system, specifically for testing its current occupancy status

Info

Publication number
CH368210A
CH368210A CH6429158A CH6429158A CH368210A CH 368210 A CH368210 A CH 368210A CH 6429158 A CH6429158 A CH 6429158A CH 6429158 A CH6429158 A CH 6429158A CH 368210 A CH368210 A CH 368210A
Authority
CH
Switzerland
Prior art keywords
testing
blocking
specifically
line
occupancy status
Prior art date
Application number
CH6429158A
Other languages
German (de)
Inventor
Siegfried Dipl Ing Zahlhaas
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 CH368210A publication Critical patent/CH368210A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH6429158A 1957-09-30 1958-09-24 Device without electromechanical relays for testing or testing and blocking at least one line of a telecommunication system, in particular a telephone system, specifically for testing its current occupancy status CH368210A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES55387A DE1060446B (en) 1957-09-30 1957-09-30 Device for checking a line for its current occupancy status
DES56835A DE1084770B (en) 1957-09-30 1958-02-05 Device for checking a line for its current occupancy status

Publications (1)

Publication Number Publication Date
CH368210A true CH368210A (en) 1963-03-31

Family

ID=25995442

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6429158A CH368210A (en) 1957-09-30 1958-09-24 Device without electromechanical relays for testing or testing and blocking at least one line of a telecommunication system, in particular a telephone system, specifically for testing its current occupancy status

Country Status (4)

Country Link
CH (1) CH368210A (en)
DE (2) DE1060446B (en)
GB (1) GB879174A (en)
NL (2) NL231776A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL256763A (en) * 1959-10-16
DE1227500B (en) * 1961-02-04 1966-10-27 Standard Elektrik Lorenz Ag Method and circuit arrangement for determining the operating status of subscriber connections in telecommunications systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE546459A (en) * 1955-03-28

Also Published As

Publication number Publication date
DE1084770B (en) 1960-07-07
NL231776A (en)
DE1060446B (en) 1959-07-02
GB879174A (en) 1961-10-04
NL111529C (en)

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