GB1377563A - Apparatus for use in the evaluation of the critical flicker fusion frequency of a person - Google Patents

Apparatus for use in the evaluation of the critical flicker fusion frequency of a person

Info

Publication number
GB1377563A
GB1377563A GB877272A GB877272A GB1377563A GB 1377563 A GB1377563 A GB 1377563A GB 877272 A GB877272 A GB 877272A GB 877272 A GB877272 A GB 877272A GB 1377563 A GB1377563 A GB 1377563A
Authority
GB
United Kingdom
Prior art keywords
generator
pulses
source
outputs
pulse
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB877272A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biviator AG
Original Assignee
Biviator AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biviator AG filed Critical Biviator AG
Publication of GB1377563A publication Critical patent/GB1377563A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/16Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/18Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/16Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/161Flicker fusion testing

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hospice & Palliative Care (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Social Psychology (AREA)
  • Physics & Mathematics (AREA)
  • Developmental Disabilities (AREA)
  • Biophysics (AREA)
  • Child & Adolescent Psychology (AREA)
  • Biomedical Technology (AREA)
  • Educational Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
GB877272A 1971-03-05 1972-02-25 Apparatus for use in the evaluation of the critical flicker fusion frequency of a person Expired GB1377563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH322671A CH535039A (de) 1971-03-05 1971-03-05 Verfahren zur Ermittlung der Flimmerverschmelzungsfrequenz und Gerät zur Durchführung dieses Verfahrens

Publications (1)

Publication Number Publication Date
GB1377563A true GB1377563A (en) 1974-12-18

Family

ID=4251361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB877272A Expired GB1377563A (en) 1971-03-05 1972-02-25 Apparatus for use in the evaluation of the critical flicker fusion frequency of a person

Country Status (6)

Country Link
US (1) US3814510A (enExample)
CA (1) CA948442A (enExample)
CH (1) CH535039A (enExample)
FR (1) FR2127965A5 (enExample)
GB (1) GB1377563A (enExample)
IT (1) IT948008B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222524A (en) * 1988-09-12 1990-03-14 Jimbo Engineering Corp Flicker-fusion apparatus

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155632A (en) * 1976-02-26 1979-05-22 Acadia Associates Method and apparatus for testing vision
US4324460A (en) * 1980-04-18 1982-04-13 Daley Michael L Method and apparatus for testing flicker fusion frequency
US5192946A (en) * 1989-02-27 1993-03-09 Texas Instruments Incorporated Digitized color video display system
US5287096A (en) * 1989-02-27 1994-02-15 Texas Instruments Incorporated Variable luminosity display system
US5299053A (en) * 1990-10-26 1994-03-29 American Cyanamid Company Variable shutter illumination system for microscope
US6113537A (en) * 1996-04-19 2000-09-05 Castano; Jaime A. Optical method and device for determining blood glucose levels
US5713353A (en) * 1996-04-19 1998-02-03 Castano; Jaime A. Optical method and device for determining blood glucose levels
HUP9800510A3 (en) 1998-03-09 2000-07-28 Kolta Peter Method and device for detecting colour vision deficiencies based on critical fusion frequency spectral scanning
RU2196497C2 (ru) * 2000-11-14 2003-01-20 Институт проблем передачи информации РАН Устройство для диагностики патологии зрительной системы у детей по критической частоте слияния мельканий
RU2204933C2 (ru) * 2001-04-26 2003-05-27 Марийский государственный технический университет Устройство для измерения разрешающей способности зрения по частоте световых мельканий
RU2211657C1 (ru) * 2001-11-27 2003-09-10 Марийский государственный технический университет Способ определения полосы пропускания пространственно-частотных каналов зрительной системы
RU2225157C2 (ru) * 2002-05-23 2004-03-10 Голубцов Константин Васильевич Устройство для регистрации локальной электроретинограммы
US20100271592A1 (en) * 2007-02-08 2010-10-28 University Of Utah Research Foundation Apparatus for measuring critical flicker fusion frequency and methods of using same
RU2341178C1 (ru) * 2007-10-01 2008-12-20 Государственное образовательное учреждение высшего профессионального образования Марийский государственный технический университет Способ определения полосы пропускания пространственно-частотного канала зрительной системы
RU2401065C1 (ru) * 2009-05-04 2010-10-10 Государственное образовательное учреждение высшего профессионального образования "Марийский государственный университет" Способ определения времени обучения оценке полосы пропускания пространственно-частотного канала зрительной системы
US9459201B2 (en) 2014-09-29 2016-10-04 Zyomed Corp. Systems and methods for noninvasive blood glucose and other analyte detection and measurement using collision computing
US9554738B1 (en) 2016-03-30 2017-01-31 Zyomed Corp. Spectroscopic tomography systems and methods for noninvasive detection and measurement of analytes using collision computing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424519A (en) * 1967-02-15 1969-01-28 Mc Donnell Douglas Corp Visual parameter tester
DE1810536C3 (de) * 1968-11-23 1971-08-26 Optotechnik Gmbh Ophthalmoskop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222524A (en) * 1988-09-12 1990-03-14 Jimbo Engineering Corp Flicker-fusion apparatus

Also Published As

Publication number Publication date
CH535039A (de) 1973-03-31
IT948008B (it) 1973-05-30
FR2127965A5 (enExample) 1972-10-13
CA948442A (en) 1974-06-04
US3814510A (en) 1974-06-04

Similar Documents

Publication Publication Date Title
GB1377563A (en) Apparatus for use in the evaluation of the critical flicker fusion frequency of a person
FR2273264A1 (en) Liquid drip flow control apparatus - has HF generator in casing with central recess for drip chamber
GB1083450A (en) Combination incandescent lamps simulating a candle
GB1124845A (en) Incandescent lamp
JPS52138381A (en) Device for adjusting luminosity of discharge lamp
JPS51148341A (en) Logarithm function generator
JPS5219480A (en) Lighting device for use in dischargetube
JPS5260685A (en) Spectrophotometer
US3176223A (en) Unidirectional current measuring circuit using a controlled firing relaxation oscillator
SU798968A1 (ru) Устройство дл отображени иНфОРМАции
FR2452824A1 (fr) Amplificateur a gain variable et dispositif d'animation d'enseigne lumineuse en comportant application
SU535514A1 (ru) Цифровое индикаторное устройство
JPS56153843A (en) Automatic setting device of counter
JPS51120237A (en) Strobo neon tube lighting equipment
JPS5279866A (en) Switching circuit
JPS5550596A (en) X-ray generating condition indicator
JPS5380775A (en) Discharge lamp lighting device
JPS5382070A (en) Discharge lamp lighting apparatus
JPS52100894A (en) Pulse laser device
JPS53136997A (en) Laser device
JPS5279867A (en) Display device for pulse counting type timer
GB1360151A (en) Digital radiation dosimeter with integrating pulse ionization chamber
JPS5684028A (en) Pulse generating circuit
SEMENOV et al. Diagnostics of highly inhomogeneous sources of low-temperature plasma based on asymmetric self-reversed spectral lines(Optical densities, Voigt parameters and displacements and halfwidths of reabsorption lines estimated by self reversed spectral lines emitted by plasma stream)
JPS58147617A (ja) 紫外線式炎検知装置

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee