73721358
Apr 8, 1988
Aug 29, 1989
OPTICAL IMAGE RECOGNITION AND DIGITIZING APPARATUS; GRAPHICS TABLETS FOR CREATING, STORING AND TRANSMITTING DIGITIZED IMAGES; PRINTERS; DISK DRIVES; VIDEO MONITORS; COMPUTER CONTROLLED CENTRAL PROCESSING APPARATUS FOR USE WITH DIGITAL IMAGE TRANSMISSION AND TELECONFERENCING; MULTIPLE PERSON HANDS FREE TELEPHONE TERMINALS; WIRELESS TWO WAY DIGITAL AUDIO COMMUNICATION SYSTEM COMPRISED OF A MICROPHONE, HEAD SET, TRANSMITTER AND RECEIVER FOR USE ALONE OR IN CONNECTION WITH BROADCASTING OR RECORDING
Electrical and Scientific Apparatus