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2. Baudot code - Wikipedia

   en.wikipedia.org/wiki/Baudot_code

   The Baudot code ( French pronunciation: [bodo]) is an early character encoding for telegraphy invented by Émile Baudot in the 1870s. [ 1] It was the predecessor to the International Telegraph Alphabet No. 2 (ITA2), the most common teleprinter code in use before ASCII. Each character in the alphabet is represented by a series of five bits, sent ...

3. Émile Baudot - Wikipedia

   en.wikipedia.org/wiki/Émile_Baudot

   Émile Baudot. Jean-Maurice-Émile Baudot ( French: [eˈmil boˈdo]; 11 September 1845 – 28 March 1903), French telegraph engineer and inventor of the first means of digital communication Baudot code, was one of the pioneers of telecommunications. He invented a multiplexed printing telegraph system that used his code and allowed multiple ...

4. Teleprinter - Wikipedia

   en.wikipedia.org/wiki/Teleprinter

   A teleprinter ( teletypewriter, teletype or TTY) is an electromechanical device that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations. Initially, from 1887 at the earliest, teleprinters were used in telegraphy. [ 1]

5. Telex - Wikipedia

   en.wikipedia.org/wiki/Telex

   Telex. Telex is a telecommunication service that provides text-based message exchange over the circuits of the public switched telephone network or by private lines. The technology operates on switched station-to-station basis with teleprinter devices at the receiving and sending locations. [ 1]

6. Donald Murray (inventor) - Wikipedia

   en.wikipedia.org/wiki/Donald_Murray_(inventor)

   Electrical engineer. Known for. Telegraphic typewriter. Donald Murray (20 September 1865– 14 July 1945) was an electrical engineer and the inventor of a telegraphic typewriter system using an extended Baudot code that was a direct ancestor of the teleprinter (teletype machine). He can justifiably be called the "Father of the remote Typewriter".

7. Radioteletype - Wikipedia

   en.wikipedia.org/wiki/Radioteletype

   Radioteletype ( RTTY) is a telecommunications system consisting originally of two or more electromechanical teleprinters in different locations connected by radio rather than a wired link. Radioteletype evolved from earlier landline teleprinter operations that began in the mid-1800s. [ 1] The US Navy Department successfully tested printing ...

8. Electrical telegraph - Wikipedia

   en.wikipedia.org/wiki/Electrical_telegraph

   Morse telegraph. Hughes telegraph, an early (1855) teleprinter built by Siemens and Halske. Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century. It was the first electrical telecommunications system and the most widely used of a number of early messaging systems called ...

9. Telecommunications device for the deaf - Wikipedia

   en.wikipedia.org/wiki/Telecommunications_device...

   The specific GA and SK keys allow for speedier use of common abbreviations. A telecommunications device for the deaf ( TDD) is a teleprinter, an electronic device for text communication over a telephone line, that is designed for use by persons with hearing or speech difficulties. Other names for the device include teletypewriter ( TTY ...