75848591
Nov 15, 1999
May 6, 2003
AUGMENTATIVE COMMUNICATION DEVICE FOR SPEECH IMPAIRED PERSONS THAT PRODUCES SYNTHESIZED OR DIGITIZED SPEECH WHEN TEXT IS IN-PUT OR PICTURE SELECTIONS ARE MADE THROUGH ON- DISPLAY TOUCH PANEL, SWITCHES, OR A KEYBOARD USED TO GENERATE TEXT OR SELECT ON-SCREEN PICTURE SYMBOLS
Electrical and Scientific Apparatus