The device for determining the accuracy of the measurement of the critical flicker fusion frequency

摘要

FIELD: medical engineering. SUBSTANCE: device has mode switch, linearly varying voltage generator, voltage-to-frequency converter, luminous pulse source, calculator unit, display unit, five keys like Continuous frequency increase, Continuous frequency reduction, Discrete frequency increase, Discrete frequency reduction, Frequency recording and three monovibrators. EFFECT: high accuracy of measurements. 2 dwg