D channel monitor
D-5 channel bank control structure and controller
Data access circuit for a memory array
Data and signaling multiplexing in pcm systems via the...
Data and voice communications system
Data block spread type spectrum spread communication method
Data buffer structure for physical and transport channels in...
Data communication bypass apparatus and method
Data communication local area network
Data communication system and time slot allocating method
Data communication system with increased effective bandwidth
Data communication via direct-coupled individual parallel...
Data detection circuit for a tasi system
Data distributor capable of selecting an optional partial...
Data format converter
Data handling system employing time modulation
Data link for digital channel bank systems
Data multiplex transmission system
Data multiplexing device
Data packet alignment in a communication system