A keyboard access system is provided for interfacing a keyboard and the programs of a text processing machine. The keyboard has typamatic function keys, i.e., nontypamatic keystroke information is generated by the keyboard upon depression of a key and, after a short delay, additional typamatic keystroke...http://www.google.com/patents/US4410957?utm_source=gb-gplus-sharePatent US4410957 - Keystroke queueing system
