Data communication system with a front-end-processor

Data communication system with adapter for removable coupling of

Data communication system with terminal for displaying the coded

Data communications method and system coupling device

Data communications network

Data communications preprocessor

Data communications subsystem

Data communications system for a reproduction machine having a m

Data communications system to system adapter

Data communications system with automatic communications mode

Data communications system with automatic communications mode

Data communications system with host character terminal mode

Data communications system with receiving terminal for varying t

Data compaction system with contiguous storage of non-redundant

Data compaction techniques for generation of a complex image

Data compression

Data compression and decompression for digital radar landmass si

Data compression and encryption system and method representing r

Data compression apparatus

Data compression interface having parallel memory architecture