73468448
Feb 24, 1984
Apr 9, 1985
Computer Add-On Boards Specially Adapted for Audio Communication of Textual Data and/or Stored Compressed Speech; Micro-Computers Specially Adapted for Audio Communication of Textual Data and/or Stored Compressed Speech, Computer Programs for Translating Textual Data into Audio Signal Data, Micro-Computers Specially Adapted for Telephone Communication of Textual Data and/or Stored Compressed Speech, Computer Memories with Stored Compressed Speech Stored Therein
Electrical and Scientific Apparatus