CH538793A - Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic - Google Patents

Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic

Info

Publication number
CH538793A
CH538793A CH1647171A CH1647171A CH538793A CH 538793 A CH538793 A CH 538793A CH 1647171 A CH1647171 A CH 1647171A CH 1647171 A CH1647171 A CH 1647171A CH 538793 A CH538793 A CH 538793A
Authority
CH
Switzerland
Prior art keywords
systems
circuit arrangement
additional data
data traffic
subscriber stations
Prior art date
Application number
CH1647171A
Other languages
German (de)
Inventor
Buerger Wolfgang Ing Dr
Vollmeyer Werner 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 CH538793A publication Critical patent/CH538793A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • 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)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
CH1647171A 1970-12-05 1971-11-11 Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic CH538793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059950 DE2059950B2 (en) 1970-12-05 1970-12-05 Circuit arrangement for subscriber stations in telecommunications, in particular telephone systems with additional data traffic

Publications (1)

Publication Number Publication Date
CH538793A true CH538793A (en) 1973-06-30

Family

ID=5790108

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1647171A CH538793A (en) 1970-12-05 1971-11-11 Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with additional data traffic

Country Status (11)

Country Link
JP (1) JPS5416166B1 (en)
AT (1) AT315923B (en)
BE (1) BE776231A (en)
CH (1) CH538793A (en)
DE (1) DE2059950B2 (en)
FR (1) FR2117203A5 (en)
GB (1) GB1356699A (en)
IT (1) IT943714B (en)
LU (1) LU64400A1 (en)
NL (1) NL160134C (en)
SE (1) SE364577B (en)

Also Published As

Publication number Publication date
FR2117203A5 (en) 1972-07-21
SE364577B (en) 1974-02-25
NL160134C (en) 1979-09-17
GB1356699A (en) 1974-06-12
DE2059950A1 (en) 1972-06-15
AT315923B (en) 1974-06-25
LU64400A1 (en) 1972-06-19
BE776231A (en) 1972-06-05
NL7116592A (en) 1972-06-07
DE2059950B2 (en) 1974-04-18
IT943714B (en) 1973-04-10
JPS5416166B1 (en) 1979-06-20
NL160134B (en) 1979-04-17

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Legal Events

Date Code Title Description
PL Patent ceased