Digital radio telephone

Digital radio transmission system

Digital radio transmission system for a cellular network, using

Digital receiver for four-phase-modulated carrier

Digital receiver for spread-spectrum signals

Digital receiver with reduced memory requirement for Viterbi equ

Digital relay systems

Digital repeater having bandpass filtering, adaptive...

Digital serial interface with encode logic for transmission

Digital sigma-delta modulator and arithmetic overflow protected

Digital signal coding

Digital signal communication system for multi-level modulation i

Digital signal decoding circuit and decoding method

Digital signal detection with signal buffering and message inser

Digital signal detector

Digital signal distribution system

Digital signal hardware protection switching

Digital signal processing apparatus having digital dither

Digital signal processing system in modem

Digital signal processing type demodulation method and demodulat