AT296401B - Circuit arrangement for telephone systems in which the connecting lines are also used for data transmission with direct current signals - Google Patents

Circuit arrangement for telephone systems in which the connecting lines are also used for data transmission with direct current signals

Info

Publication number
AT296401B
AT296401B AT752868A AT752868A AT296401B AT 296401 B AT296401 B AT 296401B AT 752868 A AT752868 A AT 752868A AT 752868 A AT752868 A AT 752868A AT 296401 B AT296401 B AT 296401B
Authority
AT
Austria
Prior art keywords
data transmission
direct current
circuit arrangement
connecting lines
current signals
Prior art date
Application number
AT752868A
Other languages
German (de)
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
Priority to AT752868A priority Critical patent/AT296401B/en
Priority to DE19681806442D priority patent/DE1806442B1/en
Application granted granted Critical
Publication of AT296401B publication Critical patent/AT296401B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
AT752868A 1968-08-01 1968-08-01 Circuit arrangement for telephone systems in which the connecting lines are also used for data transmission with direct current signals AT296401B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT752868A AT296401B (en) 1968-08-01 1968-08-01 Circuit arrangement for telephone systems in which the connecting lines are also used for data transmission with direct current signals
DE19681806442D DE1806442B1 (en) 1968-08-01 1968-10-31 Circuit arrangement for connecting lines in telephone systems which are also used for data transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT752868A AT296401B (en) 1968-08-01 1968-08-01 Circuit arrangement for telephone systems in which the connecting lines are also used for data transmission with direct current signals

Publications (1)

Publication Number Publication Date
AT296401B true AT296401B (en) 1972-02-10

Family

ID=3596935

Family Applications (1)

Application Number Title Priority Date Filing Date
AT752868A AT296401B (en) 1968-08-01 1968-08-01 Circuit arrangement for telephone systems in which the connecting lines are also used for data transmission with direct current signals

Country Status (2)

Country Link
AT (1) AT296401B (en)
DE (1) DE1806442B1 (en)

Also Published As

Publication number Publication date
DE1806442B1 (en) 1970-02-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee