Data input device

Data processor reorder shift register memory

Data retention apparatus

Detector and recorder of holes and disruptions in plastic materi

Detector for bidirectional movement of an extensible member in a

Device for automatically monitoring the operating states of cont

Device for automatically supplying drinks and foodstuffs

Device for counting and distributing sheets

Device for indicating inadmissible length deviations of a perfor

Device for the automatic reading and evaluation of recorded curv

Device for the incremental scanning of a line scale

Digital control apparatus

Digital control system

Digital device for checking steady-state value of analogue signa

Digital display apparatus having jitter correction

Digital display tape measure with photoelectric sensing of tape

Digital electronic apparatus and casette sized for intravenous f

Digital frequency generator

Digital scale converter

Digital semiconductor circuit