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FR654714A - Method for the telegraphic transmission of Morse signals and device for its realization - Google Patents

Method for the telegraphic transmission of Morse signals and device for its realization

Info

Publication number
FR654714A
FR654714A FR654714DA FR654714A FR 654714 A FR654714 A FR 654714A FR 654714D A FR654714D A FR 654714DA FR 654714 A FR654714 A FR 654714A
Authority
FR
France
Prior art keywords
realization
morse signals
telegraphic transmission
telegraphic
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
Richard Leonard Arn Schoemaker
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 filed Critical
Application granted granted Critical
Publication of FR654714A publication Critical patent/FR654714A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/06—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element
    • H04L15/08—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element with a single key which transmits dots in one position and dashes in a second position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Leads Or Probes (AREA)
FR654714D 1927-05-20 1928-02-28 Method for the telegraphic transmission of Morse signals and device for its realization Expired FR654714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL290652X 1927-05-20

Publications (1)

Publication Number Publication Date
FR654714A true FR654714A (en) 1929-04-10

Family

ID=19782736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR654714D Expired FR654714A (en) 1927-05-20 1928-02-28 Method for the telegraphic transmission of Morse signals and device for its realization

Country Status (5)

Country Link
US (1) US1780507A (en)
DE (1) DE518219C (en)
FR (1) FR654714A (en)
GB (1) GB290652A (en)
NL (1) NL20968C (en)

Also Published As

Publication number Publication date
GB290652A (en) 1928-10-04
NL20968C (en)
US1780507A (en) 1930-11-04
DE518219C (en) 1931-02-16

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