JPS5784338A - Glossi meter - Google Patents

Glossi meter

Info

Publication number
JPS5784338A
JPS5784338A JP16100880A JP16100880A JPS5784338A JP S5784338 A JPS5784338 A JP S5784338A JP 16100880 A JP16100880 A JP 16100880A JP 16100880 A JP16100880 A JP 16100880A JP S5784338 A JPS5784338 A JP S5784338A
Authority
JP
Japan
Prior art keywords
scanning
during
amplified video
circular
measured
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
JP16100880A
Other languages
Japanese (ja)
Other versions
JPS6124647B2 (en
Inventor
Satoshi Furukawa
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP16100880A priority Critical patent/JPS5784338A/en
Publication of JPS5784338A publication Critical patent/JPS5784338A/en
Publication of JPS6124647B2 publication Critical patent/JPS6124647B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G01N21/57—Measuring gloss

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To achieve a high speed measurement of glossiness a surface to be measured by a curved face by calculating a contrast glossiness level based on th output of a camera tube during a scanning at the high-test point and the output thereof during a circular scanning. CONSTITUTION:A light source 2 comprising a lamp 2a and a condenser 2b irradiates a light beam inclined by a fixed angle to the vertical surface on a surface 1 to be measured. A camera tube 4 is controlled with a deflection control circuit 8 so that the brightness point 5 comes at the center of a partial scanning area A and a horizontal and a vertical scanning is partially made near the receiving position of a normal reflected light. A circular scanning 6 is made on the center 5 of the scanning area A. An amplified video signal Vp is outputted from a video amplifier 10 and a ratio is calculated between the mean of the amplified video signals during the circular scanning and the value of the amplified video signal during the scanning at the brightness point with an arithmetic circuit 9 whereby a contrast glossiness level is determined. This enables the response to quick changes in the reflected light assuring a high speed measurement.
JP16100880A 1980-11-15 1980-11-15 Glossi meter Granted JPS5784338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16100880A JPS5784338A (en) 1980-11-15 1980-11-15 Glossi meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16100880A JPS5784338A (en) 1980-11-15 1980-11-15 Glossi meter

Publications (2)

Publication Number Publication Date
JPS5784338A true JPS5784338A (en) 1982-05-26
JPS6124647B2 JPS6124647B2 (en) 1986-06-12

Family

ID=15726819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16100880A Granted JPS5784338A (en) 1980-11-15 1980-11-15 Glossi meter

Country Status (1)

Country Link
JP (1) JPS5784338A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167551U (en) * 1985-04-08 1986-10-17
JP2006234613A (en) * 2005-02-25 2006-09-07 Toyota Motor Corp Coating film evaluation apparatus and method
JP2010243353A (en) * 2009-04-07 2010-10-28 Ricoh Co Ltd Glossiness evaluation method, glossiness evaluation apparatus, image evaluation apparatus having the apparatus, image evaluation method, and program for executing the method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167551U (en) * 1985-04-08 1986-10-17
JP2006234613A (en) * 2005-02-25 2006-09-07 Toyota Motor Corp Coating film evaluation apparatus and method
JP2010243353A (en) * 2009-04-07 2010-10-28 Ricoh Co Ltd Glossiness evaluation method, glossiness evaluation apparatus, image evaluation apparatus having the apparatus, image evaluation method, and program for executing the method

Also Published As

Publication number Publication date
JPS6124647B2 (en) 1986-06-12

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