JPS5754828A - Measurement of hair growth - Google Patents

Measurement of hair growth

Info

Publication number
JPS5754828A
JPS5754828A JP55130997A JP13099780A JPS5754828A JP S5754828 A JPS5754828 A JP S5754828A JP 55130997 A JP55130997 A JP 55130997A JP 13099780 A JP13099780 A JP 13099780A JP S5754828 A JPS5754828 A JP S5754828A
Authority
JP
Japan
Prior art keywords
value
light
hair
color
reflected light
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.)
Granted
Application number
JP55130997A
Other languages
Japanese (ja)
Other versions
JPS646686B2 (en
Inventor
Toshio Horikawa
Sumiyo Shimada
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.)
Pola Chemical Industries Inc
Original Assignee
Pola Chemical Industries Inc
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 Pola Chemical Industries Inc filed Critical Pola Chemical Industries Inc
Priority to JP55130997A priority Critical patent/JPS5754828A/en
Publication of JPS5754828A publication Critical patent/JPS5754828A/en
Publication of JPS646686B2 publication Critical patent/JPS646686B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0251—Colorimeters making use of an integrating sphere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/465—Measurement of colour; Colour measuring devices, e.g. colorimeters taking into account the colour perception of the eye; using tristimulus detection

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To enable an objective and highly accurate measurement by detecting white reflected light with a color gauge from lights irradiated on the surface of skin. CONSTITUTION:Light is applied on a hair-lost part at a fixed time interval to detect the reflected light with a color guige. In this measurement, the Y value indicating brightness among light-stimulation values X, Y and Z is converted into a value L indicating whiteness in the Lab value for the surface condition of a skin. This shows how hair grows. In the operation of the color guage, first, light of a light source 1a is applied on a hair-lost part through an optical fiber 1b. The reflected light thereof is captured with an integratibg ball 1c and detected with photoelectric conversion filters 1dX, 1dY and 1dZ. Then, this electric signal is digitally converted to indicate. In this case, as the object is a white aminal, the value L can be obtained by conversion of the value Y from the digital filter 1dY.
JP55130997A 1980-09-20 1980-09-20 Measurement of hair growth Granted JPS5754828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55130997A JPS5754828A (en) 1980-09-20 1980-09-20 Measurement of hair growth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55130997A JPS5754828A (en) 1980-09-20 1980-09-20 Measurement of hair growth

Publications (2)

Publication Number Publication Date
JPS5754828A true JPS5754828A (en) 1982-04-01
JPS646686B2 JPS646686B2 (en) 1989-02-06

Family

ID=15047519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55130997A Granted JPS5754828A (en) 1980-09-20 1980-09-20 Measurement of hair growth

Country Status (1)

Country Link
JP (1) JPS5754828A (en)

Also Published As

Publication number Publication date
JPS646686B2 (en) 1989-02-06

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