DEVICE FOR DETERMINING CRITICAL FLICKER FUSION FREQUENCY MEASUREMENT ACCURACY Russian patent published in 2004 - IPC

Abstract RU 2223693 C1

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

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RU 2 223 693 C1

Authors

Rozhentsov V.V.

Lezhnina T.A.

Dates

2004-02-20—Published

2002-07-16—Filed