CH542559A - Circuit arrangement for telephone systems with additional data traffic - Google Patents

Circuit arrangement for telephone systems with additional data traffic

Info

Publication number
CH542559A
CH542559A CH867972A CH867972A CH542559A CH 542559 A CH542559 A CH 542559A CH 867972 A CH867972 A CH 867972A CH 867972 A CH867972 A CH 867972A CH 542559 A CH542559 A CH 542559A
Authority
CH
Switzerland
Prior art keywords
circuit arrangement
additional data
data traffic
telephone systems
telephone
Prior art date
Application number
CH867972A
Other languages
German (de)
Inventor
Schoen Siegfried
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
Priority claimed from DE19712137777 external-priority patent/DE2137777C/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH542559A publication Critical patent/CH542559A/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)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
CH867972A 1971-07-28 1972-06-12 Circuit arrangement for telephone systems with additional data traffic CH542559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712137777 DE2137777C (en) 1971-07-28 Circuit arrangement for telephone systems with additional data traffic

Publications (1)

Publication Number Publication Date
CH542559A true CH542559A (en) 1973-09-30

Family

ID=5815099

Family Applications (1)

Application Number Title Priority Date Filing Date
CH867972A CH542559A (en) 1971-07-28 1972-06-12 Circuit arrangement for telephone systems with additional data traffic

Country Status (11)

Country Link
JP (1) JPS537087B1 (en)
AT (1) AT320037B (en)
BE (1) BE786923A (en)
CH (1) CH542559A (en)
DE (1) DE2137777B1 (en)
FR (1) FR2147585A5 (en)
GB (1) GB1384620A (en)
IT (1) IT963372B (en)
LU (1) LU65802A1 (en)
NL (1) NL7210299A (en)
SE (1) SE372867B (en)

Also Published As

Publication number Publication date
SE372867B (en) 1975-01-13
DE2137777B1 (en) 1972-10-12
IT963372B (en) 1974-01-10
FR2147585A5 (en) 1973-03-09
LU65802A1 (en) 1972-11-29
NL7210299A (en) 1973-01-30
BE786923A (en) 1973-01-29
AT320037B (en) 1975-01-27
JPS537087B1 (en) 1978-03-14
GB1384620A (en) 1975-02-19

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Legal Events

Date Code Title Description
PL Patent ceased