DEVICE FOR MEASURING VISUAL RESOLUTION BASED ON LIGHT FLICKER FREQUENCY Russian patent published in 2003 - IPC

Abstract RU 2204933 C2

FIELD: medical engineering. SUBSTANCE: device has testee button, linearly changeable voltage oscillator, voltage-to-frequency transducer, luminous pulses source, calculating unit and indicators unit. The oscillator output is connected to voltage-to-frequency transducer input which output is connected to luminous pulses source and calculating unit inputs. The calculating unit output is connected to indicators unit input. The device also has impulse shaper using signal drop characteristic, which input is connected to testee button output and its output is connected to calculating unit input. The testee button output is connected to oscillator input. EFFECT: high accuracy of measurements. 2 dwg

Similar patents RU2204933C2

Title Year Author Number
DEVICE FOR MEASURING CRITICAL LIGHT FLICKER FUSION FREQUENCY 2001
  • Rozhentsov V.V.
RU2204931C2
DEVICE FOR DETERMINING CRITICAL FLICKER FUSION FREQUENCY MEASUREMENT ACCURACY 2002
  • Rozhentsov V.V.
  • Lezhnina T.A.
RU2223693C1
DEVICE FOR MEASURING OF CRITICAL FREQUENCY OF LIGHT FLICKERING 1998
  • Rozhentsov V.V.
RU2141253C1
DEVICE FOR MEASURING VISION RESOLUTION FROM LIGHT FLICKER FREQUENCY 2003
  • Lezhnina T.A.
RU2237425C1
DEVICE FOR MEASUREMENT OF VISUAL RESOLUTION ON FREQUENCY OF LIGHT FLICKERS 2008
  • Rozhentsov Valerij Vital'Evich
  • Lezhnina Tat'Jana Aleksandrovna
RU2365334C1
DEVICE FOR DETERMINING BANDWIDTH OF VISION SYSTEM SPATIAL-FREQUENCY CHANNEL 2003
  • Lezhnina T.A.
  • Rozhentsov V.V.
RU2252690C1
DEVICE FOR MEASURING CRITICAL FREQUENCY OF LUMINOUS FLICKER FUSION 2001
  • Rozhentsov V.V.
  • Petukhov I.V.
RU2205596C2
DEVICE FOR DETERMINATION OF VISION RESOLUTION BY FREQUENCY OF LIGHT FLICKER 2010
  • Rozhentsov Valerij Vital'Evich
RU2446729C1
DEVICE FOR TESTING CRITICAL FREQUENCY OF MERGING OF FLICKERINGS 1990
  • Rozhentsov V.V.
RU2026008C1
APPARATUS FOR DETECTING CRITICAL FREQUENCY OF LIGHT FLASHING 2001
  • Rozhentsov V.V.
RU2219821C2

RU 2 204 933 C2

Authors

Rozhentsov V.V.

Lezhnina T.A.

Dates

2003-05-27Published

2001-04-26Filed