CH493976A - Method for the parallel arrhythmic transmission of characters, which are coded in binary, in the telephone network without a clock channel - Google Patents

Method for the parallel arrhythmic transmission of characters, which are coded in binary, in the telephone network without a clock channel

Info

Publication number
CH493976A
CH493976A CH670368A CH670368A CH493976A CH 493976 A CH493976 A CH 493976A CH 670368 A CH670368 A CH 670368A CH 670368 A CH670368 A CH 670368A CH 493976 A CH493976 A CH 493976A
Authority
CH
Switzerland
Prior art keywords
arrhythmic
coded
binary
characters
transmission
Prior art date
Application number
CH670368A
Other languages
German (de)
Inventor
Vollmeyer Werner Ing Dr
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
Priority to CH670368A priority Critical patent/CH493976A/en
Priority to DE19691922198 priority patent/DE1922198A1/en
Publication of CH493976A publication Critical patent/CH493976A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CH670368A 1968-05-06 1968-05-06 Method for the parallel arrhythmic transmission of characters, which are coded in binary, in the telephone network without a clock channel CH493976A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH670368A CH493976A (en) 1968-05-06 1968-05-06 Method for the parallel arrhythmic transmission of characters, which are coded in binary, in the telephone network without a clock channel
DE19691922198 DE1922198A1 (en) 1968-05-06 1969-04-30 Method for the parallel arrhythmic transmission of binary coded numeric or alphanumeric characters in the telephone dial-up network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH670368A CH493976A (en) 1968-05-06 1968-05-06 Method for the parallel arrhythmic transmission of characters, which are coded in binary, in the telephone network without a clock channel

Publications (1)

Publication Number Publication Date
CH493976A true CH493976A (en) 1970-07-15

Family

ID=4313719

Family Applications (1)

Application Number Title Priority Date Filing Date
CH670368A CH493976A (en) 1968-05-06 1968-05-06 Method for the parallel arrhythmic transmission of characters, which are coded in binary, in the telephone network without a clock channel

Country Status (2)

Country Link
CH (1) CH493976A (en)
DE (1) DE1922198A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272549A1 (en) * 1974-05-21 1975-12-19 Gabry Andre Frequency coded signal receiving and decoding device - has channels with fixed frequency and converting circuits

Also Published As

Publication number Publication date
DE1922198A1 (en) 1969-11-20

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Legal Events

Date Code Title Description
PL Patent ceased