Digital frame synchronizing circuit
Digital interface for resynchronizing digital signals
Digital printout arrangement with magnetic field carriage drive
Digital PSK modem
Digital regenerator having improving noise immunity
Digital signal enciphering and deciphering apparatus and system
Digital signature system and apparatus
Digital single signal line full duplex method and apparatus
Digital single signal line full duplex method and apparatus
Distortion corrector for the adaptive base band correction of a
Dot matrix printer having selectively actuated printed bars
Dual delay line storage sound signal processor
Dual speed full duplex data transmission