73805938
Jun 12, 1989
Aug 7, 1990
COMPONENTS FOR DIGITAL VOICE AND AUTOMATED TELEPHONY, NAMELY DIGITAL TELEPHONY INTERFACES, VOICE DIGITIZING INTERFACES FOR COMPUTERS AND COMPUTER CONTROLLED TELEPHONE INTERFACES; AUDIO COUPLING INTERFACES BETWEEN TELEPHONE AND COMPUTERS AND DIGITIZED VOICE-EDITING COMPUTER PROGRAMS, AUDIO MULTIPLEXERS AND PARTS THEREFOR
Electrical and Scientific Apparatus