Radio or television receiver with an automatic station finding a

Random digit generator

Random signal generator for the manufacture of slub open end spu

Rate recording system

Ratemeter which calculates the reciprocal of the period

Readout apparatus for frequency or period-analog measuring signa

Real time clock using computer and separate counting means

Recording electrical information

Reel diameter discriminator

Reference signal circuit

Remote readout meter reading system

Rental time control system in coin-operated locker

Repeatedly operable timer

Reproduction machine with paper path detection diagnostics

Resettable counter for postage meter

Resettable electronic counter employing a calculator chip

Resolution of ambiguities in counts contained in overlapping bit

Reversible measuring means

Roll film mark counter

Rotary electromagnetic indicator