JPS64448A - Instrument for measuring preservation condition of medium - Google Patents

Instrument for measuring preservation condition of medium

Info

Publication number
JPS64448A
JPS64448A JP8831887A JP8831887A JPS64448A JP S64448 A JPS64448 A JP S64448A JP 8831887 A JP8831887 A JP 8831887A JP 8831887 A JP8831887 A JP 8831887A JP S64448 A JPS64448 A JP S64448A
Authority
JP
Japan
Prior art keywords
light
medium
wavelength
measured
changed
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.)
Pending
Application number
JP8831887A
Other languages
English (en)
Other versions
JPH01448A (ja
Inventor
Yasuo Katano
Hiroyuki Horiguchi
Toshiyuki Furuta
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP62-88318A priority Critical patent/JPH01448A/ja
Priority claimed from JP62-88318A external-priority patent/JPH01448A/ja
Publication of JPS64448A publication Critical patent/JPS64448A/ja
Publication of JPH01448A publication Critical patent/JPH01448A/ja
Pending 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
    • G01N21/552—Attenuated total reflection

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)
JP62-88318A 1987-02-06 1987-04-10 媒体の保存状態測定装置 Pending JPH01448A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-88318A JPH01448A (ja) 1987-02-06 1987-04-10 媒体の保存状態測定装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2653587 1987-02-06
JP62-26535 1987-02-06
JP62-88318A JPH01448A (ja) 1987-02-06 1987-04-10 媒体の保存状態測定装置

Publications (2)

Publication Number Publication Date
JPS64448A true JPS64448A (en) 1989-01-05
JPH01448A JPH01448A (ja) 1989-01-05

Family

ID=

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