IT982680B - MEASUREMENT SYSTEM USING INFRARED RADIA - Google Patents

MEASUREMENT SYSTEM USING INFRARED RADIA

Info

Publication number
IT982680B
IT982680B IT22476/73A IT2247673A IT982680B IT 982680 B IT982680 B IT 982680B IT 22476/73 A IT22476/73 A IT 22476/73A IT 2247673 A IT2247673 A IT 2247673A IT 982680 B IT982680 B IT 982680B
Authority
IT
Italy
Prior art keywords
measurement system
infrared radia
radia
infrared
measurement
Prior art date
Application number
IT22476/73A
Other languages
Italian (it)
Original Assignee
Infra Systems 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 Infra Systems Inc filed Critical Infra Systems Inc
Application granted granted Critical
Publication of IT982680B publication Critical patent/IT982680B/en

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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
IT22476/73A 1972-04-10 1973-04-02 MEASUREMENT SYSTEM USING INFRARED RADIA IT982680B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24273072A 1972-04-10 1972-04-10

Publications (1)

Publication Number Publication Date
IT982680B true IT982680B (en) 1974-10-21

Family

ID=22915960

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22476/73A IT982680B (en) 1972-04-10 1973-04-02 MEASUREMENT SYSTEM USING INFRARED RADIA

Country Status (4)

Country Link
JP (1) JPS4910782A (en)
DE (1) DE2318032A1 (en)
FR (1) FR2180350A5 (en)
IT (1) IT982680B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949531B2 (en) * 1979-09-10 1984-12-03 富士通株式会社 Water permeability test method
JPS58204336A (en) * 1982-05-25 1983-11-29 Japan Tobacco Inc Moisture measuring device by infrared rays
US4928013A (en) * 1987-02-17 1990-05-22 Measurex Corporation Temperature insensitive moisture sensor
JPH0648244B2 (en) * 1988-10-25 1994-06-22 横河電機株式会社 Infrared moisture meter that reduces the effect of basis weight
JPH04286937A (en) * 1991-03-15 1992-10-12 Shokuhin Sangyo Online Sensor Gijutsu Kenkyu Kumiai Method and apparatus for measuring moisture
US5338361A (en) * 1991-11-04 1994-08-16 Measurex Corporation Multiple coat measurement and control apparatus and method
US5276327A (en) * 1991-12-09 1994-01-04 Measurex Corporation Sensor and method for mesaurement of select components of a material
JP2917895B2 (en) * 1996-03-14 1999-07-12 日本電気株式会社 Electronic equipment with optical communication function
DE19844927A1 (en) * 1998-09-30 2000-04-06 Voith Sulzer Papiertech Patent Measuring system
DE19927452C2 (en) * 1999-06-16 2001-05-03 Wilhelm Rapp Device for measuring moisture and reflectivity of surfaces
PL355108A1 (en) 1999-10-15 2004-04-05 Cargill, Incorporated Fibers from plant seeds and use
DE102013104846B3 (en) * 2013-05-10 2014-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for determining humidity transmissivity of optical coating e.g. inorganic dielectric layer coating, on plastic lens, involves entering beam into substrate at front side of substrate, and reflecting beam at rear part of substrate

Also Published As

Publication number Publication date
DE2318032A1 (en) 1973-10-31
JPS4910782A (en) 1974-01-30
FR2180350A5 (en) 1973-11-23

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