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11/09/1845 French engineer Émile Baudot is born

He was one of the pioneers of the electric telegraph. Baudot invented his own code for transferring digital information. He also developed a printing telegraph system which allowed multiple transmissions over a single line. The unit of symbol rate, one of the components that determine the speed of communication over a data channel, is called baud in Baudots honor.


  • Essentials 

  • Émile Baudot 

  • Early life 

  • Telegraphy 

  • First use 

  • Later career 

  • Final years 

  • Mimault patent suit 

  • Honors