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Teletype teleprinters in use in England during World War II Example of teleprinter art: a portrait of Dag Hammarskjöld, 1962. 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.
Teletype Model 33 ASR teleprinter keyboard with punched tape reader and punch. The left-front unit is the tape reader with its three-position START/STOP/FREE lever in the STOP position. A less-common tape reader had a four-position START/AUTO/STOP/FREE lever. In the AUTO position it could be commanded on and off remotely.
A teleprinter is a telegraph machine that can send messages from a typewriter-like keyboard and print incoming messages in readable text with no need for the operators to be trained in the telegraph code used on the line.
The teleprinter includes a keyboard, which is the main means of entering text, and a printer or visual display unit (VDU). An alternative input device is a perforated tape reader and, more recently, computer storage media (such as floppy disks).
The Teletype Inktronic Terminal is an electronic, high-speed teleprinter that uses electrostatic deflection to print characters at 1200 words-per-minute. The Inktronic terminal prints an 80 column page using forty jets to print 63 alphanumeric characters in two columns on an 8.5 inch roll of paper.
A Teletype Model 32 used for telex service. Telex is a telecommunication system that allows text-based messages to be sent and received by teleprinter over telephone lines. The term "telex" may refer to the service, the network, the devices, or a message sent using these. [1]
Teleprinter or teletypewriter (TTY), an electromechanical typewriter paired with a communication channel . Sometimes used more generally for any type of computer terminal. May also be used to refer to a virtual console in Unix-like operating systems
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), textphone (common in Europe), and minicom (United Kingdom).