Video encyclopedia

13/06/1848 Samuel Morse obtains a patent for his code


HOW IT WORKS: Morse Code


What is Morse Code? Morse Code for SOS? Old Communication Explained


Samuel Morse The Telegraph

Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment. The method encodes the letters and numerals as standardized sequences of short and long signals called dots and dashes. The most common signal is called SOS.
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    • Essentials 

    • Other American inventions 

    • Development and history 

    • User proficiency 

    • International Morse Code 

    • Aviation 

    • Amateur radio 

    • Other uses 

    • Applications for the general public 

    • Morse code as an assistive technology 

    • Transmission 

    • Cable code 

    • Speed in words per minute 

    • Alternative display of common characters in International Morse code 

    • Learning methods 

    • Mnemonics 

    • Prosigns 

    • Symbol representations 

    • Non-Latin extensions 

    • Unusual variants 

    • Decoding software