Random digital code generator

Random digital encryption secure communication system

Range division multiplexing

Readout for recording typewriter

Real-time simulation of a point system as viewed by a moving obs

Real-time simulation of a point system having textured areas as

Receiver for data transmitted by means of the interleaved binary

Receiver for pulses of different widths

Receiver including an automatic tuning correction suppression ci

Receivers for pulses of different widths

Recipient and message authentication method and system

Recognizer/converter for arabic and other language codes

Recording unidimensional holograms with reduced positional sensi

Reducing teleprinter errors caused by primary power frequency va

Reduction of message redundancy by multiple substitution: a mess

Remote control apparatus for channel selector

Remote control systems for telecommunications links

Remote disconnect-reconnect tap for cable television systems

Remote supply system for a cable transmission line with repeater

Remote television control