Device for examination of distances in a picture

Device for extracting a density as one of pattern features for e

Device for generating a signal for one-bit masking at the time o

Device for optical character reading

Device for reading a printed code and for converting this code i

Device for reading out the charge condition of a phototransistor

Device for remote control of electrical power units

Device for scanning patterns with a regulated light source

Device for selectively authorizing passage through a door

Device for the optical read-out of a diffractive track belonging

Device for the turn indicator blinker lights of a motor vehicle,

Device operating with the displacement of magnetic domain wall

Device protection method and apparatus

Diagnostic display for machine sequence controller

Dictation system for storing and retrieving audio information

Differential charge transfer sense amplifier

Differential detection systems with non-redundant error correcti

Digital binary group call circuitry arrangement

Digital code monitor system

Digital combination lock and means for remotely presetting combi