CA980867A - Data transmission systems - Google Patents

Data transmission systems

Info

Publication number
CA980867A
CA980867A CA176,623A CA176623A CA980867A CA 980867 A CA980867 A CA 980867A CA 176623 A CA176623 A CA 176623A CA 980867 A CA980867 A CA 980867A
Authority
CA
Canada
Prior art keywords
data transmission
transmission systems
systems
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
CA176,623A
Other versions
CA176623S (en
Inventor
Brian H.W. Ahern
Robert S. Langdown
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.)
DIGITAL SYSTEMS Ltd
Original Assignee
DIGITAL SYSTEMS Ltd
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 DIGITAL SYSTEMS Ltd filed Critical DIGITAL SYSTEMS Ltd
Application granted granted Critical
Publication of CA980867A publication Critical patent/CA980867A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
CA176,623A 1972-07-18 1973-07-17 Data transmission systems Expired CA980867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3363672A GB1443515A (en) 1972-07-18 1972-07-18 Data transmission systems

Publications (1)

Publication Number Publication Date
CA980867A true CA980867A (en) 1975-12-30

Family

ID=10355484

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,623A Expired CA980867A (en) 1972-07-18 1973-07-17 Data transmission systems

Country Status (2)

Country Link
CA (1) CA980867A (en)
GB (1) GB1443515A (en)

Also Published As

Publication number Publication date
GB1443515A (en) 1976-07-21

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