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CRT_NUMBER_GENERATOR

2015-03-22 19:14  
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CRT_NUMBER_GENERATOR
CRT_NUMBER_GENERATOR
CRT_NUMBER_GENERATOR
CRT_NUMBER_GENERATOR
Lissajous patterns on crt form numerals 0 to 9 that appear to be handwritten. Vertical and horizontal waveshapes used to produce a number are continuously applied to pair of number gates. Gates open whom excited by high-voltage r-f transformer, permitting waveforms to pass through to crt defection plates and create problem on screen. All waveshapes are derived from 60-cps centertapped sine-wave source. Reliability is insured through use of passive elements (resistors, capacitors, and diodes) and standard techniques of dipping, limiting, and/or phase shifting to generate required waveshapes.-R. L. White, Forming Handwritten. Like Digits on CRI Display, Electronics,32:11, p 138-140.