FIELD: automation and computer engineering; digital matrix data displays.
SUBSTANCE: device that depends for its operation on connection of current sensors directly to switching circuits of matrix display electrodes, analysis of these currents, and generation of desired control signals has matrix display, switch generation unit, register, switch-component sweep unit, sweep decoder, sweep counter, pulse generator, counter, decoder, current sensor, electrode connection sequence defining circuit, maximum permissible current detection circuit, voltage supply, flip-flop, voltage level converter, and voltage level converter of clock and frame synchronization signals, respectively.
EFFECT: enhanced operating reliability of device.
3 cl, 1 dwg
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SU1649603A1 |
