CH473514A - Method for the parallel arrhythmic transmission of binary coded numeric or alphanumeric characters in the switched telephone network - Google Patents

Method for the parallel arrhythmic transmission of binary coded numeric or alphanumeric characters in the switched telephone network

Info

Publication number
CH473514A
CH473514A CH472568A CH472568A CH473514A CH 473514 A CH473514 A CH 473514A CH 472568 A CH472568 A CH 472568A CH 472568 A CH472568 A CH 472568A CH 473514 A CH473514 A CH 473514A
Authority
CH
Switzerland
Prior art keywords
arrhythmic
transmission
parallel
telephone network
switched telephone
Prior art date
Application number
CH472568A
Other languages
German (de)
Inventor
Chandra Dipl-Ing Das G Probodh
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 CH473514A publication Critical patent/CH473514A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/24—Half-wave signalling systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
CH472568A 1967-05-09 1968-03-29 Method for the parallel arrhythmic transmission of binary coded numeric or alphanumeric characters in the switched telephone network CH473514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0109788 1967-05-09

Publications (1)

Publication Number Publication Date
CH473514A true CH473514A (en) 1969-05-31

Family

ID=7529778

Family Applications (1)

Application Number Title Priority Date Filing Date
CH472568A CH473514A (en) 1967-05-09 1968-03-29 Method for the parallel arrhythmic transmission of binary coded numeric or alphanumeric characters in the switched telephone network

Country Status (8)

Country Link
AT (1) AT295607B (en)
BE (1) BE714898A (en)
CH (1) CH473514A (en)
CS (1) CS159744B2 (en)
DE (1) DE1287623B (en)
FR (1) FR1594554A (en)
NL (1) NL6806394A (en)
SE (1) SE339493B (en)

Also Published As

Publication number Publication date
FR1594554A (en) 1970-06-08
SE339493B (en) 1971-10-11
DE1287623B (en) 1969-01-23
CS159744B2 (en) 1975-01-31
AT295607B (en) 1972-01-10
NL6806394A (en) 1968-11-11
BE714898A (en) 1968-11-12

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Legal Events

Date Code Title Description
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