DEVICE FOR INFORMATION INPUT Russian patent published in 1997 - IPC

FIELD: automation and computer engineering. SUBSTANCE: device has commutator of input analog signals, analog-to-digital converter and control unit. commutator has channels each of which has input converter of voltage to current, transformer and gates in both windings of transformer. In addition device has current-to-voltage converter which is shared by all channels. Voltage-to-current converter has transistor, diode and power supply. EFFECT: increased stability to noise, increased speed, increased precision. 3 cl, 3 dwg