JPS54130976A - Direction detection of bright side - Google Patents

Direction detection of bright side

Info

Publication number
JPS54130976A
JPS54130976A JP3816378A JP3816378A JPS54130976A JP S54130976 A JPS54130976 A JP S54130976A JP 3816378 A JP3816378 A JP 3816378A JP 3816378 A JP3816378 A JP 3816378A JP S54130976 A JPS54130976 A JP S54130976A
Authority
JP
Japan
Prior art keywords
light
bright side
round
polarizing plate
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
JP3816378A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117281B2 (https=
Inventor
Kazutada Koshikawa
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP3816378A priority Critical patent/JPS54130976A/ja
Publication of JPS54130976A publication Critical patent/JPS54130976A/ja
Publication of JPS6117281B2 publication Critical patent/JPS6117281B2/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
    • G01J4/00—Measuring polarisation of light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP3816378A 1978-04-03 1978-04-03 Direction detection of bright side Granted JPS54130976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3816378A JPS54130976A (en) 1978-04-03 1978-04-03 Direction detection of bright side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3816378A JPS54130976A (en) 1978-04-03 1978-04-03 Direction detection of bright side

Publications (2)

Publication Number Publication Date
JPS54130976A true JPS54130976A (en) 1979-10-11
JPS6117281B2 JPS6117281B2 (https=) 1986-05-07

Family

ID=12517726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3816378A Granted JPS54130976A (en) 1978-04-03 1978-04-03 Direction detection of bright side

Country Status (1)

Country Link
JP (1) JPS54130976A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6300954B1 (en) 1997-09-12 2001-10-09 Meiryo Tekunika Kabushiki Kaisha Methods and apparatus for detecting liquid crystal display parameters using stokes parameters
WO2009019886A1 (ja) * 2007-08-07 2009-02-12 Panasonic Corporation 法線情報生成装置および法線情報生成方法
JP2012230081A (ja) * 2011-04-27 2012-11-22 Panasonic Corp 光沢品の外観検査装置、プログラム

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7342741B1 (en) 2000-02-10 2008-03-11 Esgw Holdings Limited Disk drive with variable track density
WO2010021148A1 (ja) * 2008-08-20 2010-02-25 国立大学法人東北大学 形状・傾斜検知及び／又は計測光学装置及び方法並びにその関連装置
JP2011106920A (ja) * 2009-11-16 2011-06-02 Tohoku Univ 回転・傾斜計測装置および方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6300954B1 (en) 1997-09-12 2001-10-09 Meiryo Tekunika Kabushiki Kaisha Methods and apparatus for detecting liquid crystal display parameters using stokes parameters
WO2009019886A1 (ja) * 2007-08-07 2009-02-12 Panasonic Corporation 法線情報生成装置および法線情報生成方法
US7737975B2 (en) 2007-08-07 2010-06-15 Panasonic Corporation Normal vector information generating device and normal vector information generating method
JP2012230081A (ja) * 2011-04-27 2012-11-22 Panasonic Corp 光沢品の外観検査装置、プログラム

Also Published As

Publication number Publication date
JPS6117281B2 (https=) 1986-05-07

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