CH143855A - Circuit arrangement for telephone systems, in particular remote offices. - Google Patents

Circuit arrangement for telephone systems, in particular remote offices.

Info

Publication number
CH143855A
CH143855A CH143855DA CH143855A CH 143855 A CH143855 A CH 143855A CH 143855D A CH143855D A CH 143855DA CH 143855 A CH143855 A CH 143855A
Authority
CH
Switzerland
Prior art keywords
circuit arrangement
telephone systems
particular remote
remote offices
offices
Prior art date
Application number
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH143855A publication Critical patent/CH143855A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Meter Arrangements (AREA)
CH143855D 1929-11-13 1929-11-19 Circuit arrangement for telephone systems, in particular remote offices. CH143855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3464229A GB343082A (en) 1929-11-13 1929-11-13 Improvements in or relating to toll telephone systems

Publications (1)

Publication Number Publication Date
CH143855A true CH143855A (en) 1930-11-30

Family

ID=10368180

Family Applications (1)

Application Number Title Priority Date Filing Date
CH143855D CH143855A (en) 1929-11-13 1929-11-19 Circuit arrangement for telephone systems, in particular remote offices.

Country Status (2)

Country Link
CH (1) CH143855A (en)
GB (1) GB343082A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000466B (en) * 1954-01-25 1957-01-10 Siemens Ag Circuit arrangement for exchanges, especially for remote offices equipped with waiting areas in telecommunication systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000466B (en) * 1954-01-25 1957-01-10 Siemens Ag Circuit arrangement for exchanges, especially for remote offices equipped with waiting areas in telecommunication systems

Also Published As

Publication number Publication date
GB343082A (en) 1931-02-13

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