FR1316084A - Data transmission system - Google Patents

Data transmission system

Info

Publication number
FR1316084A
FR1316084A FR887777A FR887777A FR1316084A FR 1316084 A FR1316084 A FR 1316084A FR 887777 A FR887777 A FR 887777A FR 887777 A FR887777 A FR 887777A FR 1316084 A FR1316084 A FR 1316084A
Authority
FR
France
Prior art keywords
data transmission
transmission system
data
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR887777A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 US89831A external-priority patent/US3165583A/en
Priority claimed from US155861A external-priority patent/US3142723A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR887777A priority Critical patent/FR1316084A/en
Application granted granted Critical
Publication of FR1316084A publication Critical patent/FR1316084A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR887777A 1960-11-21 1962-02-12 Data transmission system Expired FR1316084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR887777A FR1316084A (en) 1960-11-21 1962-02-12 Data transmission system

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US7041960A 1960-11-21 1960-11-21
US89831A US3165583A (en) 1960-11-21 1961-02-16 Two-tone transmission system for digital data
US155861A US3142723A (en) 1961-11-29 1961-11-29 Frequency shift keying system
FR887777A FR1316084A (en) 1960-11-21 1962-02-12 Data transmission system
US24292562A 1962-12-07 1962-12-07

Publications (1)

Publication Number Publication Date
FR1316084A true FR1316084A (en) 1963-01-25

Family

ID=27515091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR887777A Expired FR1316084A (en) 1960-11-21 1962-02-12 Data transmission system

Country Status (1)

Country Link
FR (1) FR1316084A (en)

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