FR936723A - Improvements in telegraphic transmission methods and apparatus - Google Patents

Improvements in telegraphic transmission methods and apparatus

Info

Publication number
FR936723A
FR936723A FR936723DA FR936723A FR 936723 A FR936723 A FR 936723A FR 936723D A FR936723D A FR 936723DA FR 936723 A FR936723 A FR 936723A
Authority
FR
France
Prior art keywords
transmission methods
telegraphic transmission
telegraphic
methods
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
Other languages
French (fr)
Inventor
George Taylor Royden
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR936723A publication Critical patent/FR936723A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR936723D 1945-07-30 1946-06-22 Improvements in telegraphic transmission methods and apparatus Expired FR936723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US936723XA 1945-07-30 1945-07-30

Publications (1)

Publication Number Publication Date
FR936723A true FR936723A (en) 1948-07-28

Family

ID=22240144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936723D Expired FR936723A (en) 1945-07-30 1946-06-22 Improvements in telegraphic transmission methods and apparatus

Country Status (1)

Country Link
FR (1) FR936723A (en)

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