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JPS5423587A Expired / Lapsed JP ⏱️ 0.0 years remaining

Consistent photometric and colorimetric method of measuring objects

Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1977-07-25
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Granted: —
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Expires: 1997-07-25
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Abstract

Abstract PURPOSE:To enable the brightness, color, etc. of measuring objects to be correctly detected even when an illuminating light source varies by measuring the reflecting light of the measuring object and background light and making relative comparison.

Inventors

  • 👤 Seiji Shigematsu
  • 👤 Kanji Katori

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-04 19:36
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/50; G01J3/51

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