Teleprinter
A teleprinter, also known as a teletypewriter or TTY, is an electromechanical device that can input text from a keyboard, transmit it over a communications channel, and print received text on paper. It combines a keyboard, a printer, and a line interface to automate long‑distance text messaging. Teleprinters were widely used in business, government, journalism, and early computing to send and receive documents and notices.
Operation and technology: Teleprinters encode characters using codes such as Baudot (ITA2), a five‑bit character set
Networks and usage: Teleprinters formed the core of early telex networks, which linked many remote sites for
Decline and legacy: With the rise of digital networks, computer terminals, fax, and email, traditional teleprinters