• Teleprinter
  Teleprinter
  A teleprinter is a electromechanical typewriter that can be used to communicate typed messages from point to point and point to multipoint over a variety of communication channels that range from a simple electrical connection, such as a pair of wires, to the use of radio and microwave as the...
  
   or Teletypewriter or Teletype Printer, a typewriter paired with an electronic communication channel, used for telecommunications or as a computer terminal
  Computer terminal
  A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying data from, a computer or a computing system...
  
  .
• Telecommunications device for the deaf
  Telecommunications device for the deaf
  A telecommunications device for the deaf 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...
  
   or TDD, a teleprinter
  Teleprinter
  A teleprinter is a electromechanical typewriter that can be used to communicate typed messages from point to point and point to multipoint over a variety of communication channels that range from a simple electrical connection, such as a pair of wires, to the use of radio and microwave as the...
  
   specifically designed for text communication over public switched telephone network
  Public switched telephone network
  The public switched telephone network is the network of the world's public circuit-switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites, and undersea telephone cables, all inter-connected by...
  
  .
• Tampere University of Technology, a school in Finland

See also

• tty
  Tty (Unix)
  tty is a Unix command that prints to standard output the name of the terminal connected to standard input. The name of the program comes from teletypewriter, abbreviated "TTY".When the program runs, it will output something like this:$ tty/dev/pts/4...
  
  , a Unix
  Unix
  Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...
  
   command
  Command (computing)
  In computing, a command is a directive to a computer program acting as an interpreter of some kind, in order to perform a specific task. Most commonly a command is a directive to some kind of command line interface, such as a shell....
  
   that prints to standard output the name of the terminal
  Computer terminal
  A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying data from, a computer or a computing system...
  
   connected to standard input.