Title:
TEST CHART COLORIMETRY SYSTEM AND COLOR OUTPUT INSTRUMENT CALIBRATION SYSTEM
Document Type and Number:
Japanese Patent JP2001099711
Kind Code:
A
Abstract:
To execute automatic colorimetry in a short time, of a test chart formed by arranging plural color samples thereon.
A colorimetry head 1 is equipped with an illumination device 10, a light-receiving optical system 20, a color imaging means 30, a drive control means 40 and a measurement control means 50, and images in colors a test chart 4 in the state where the test chart 4 which is a measuring sample is arranged oppositely to an opening for a sample 3a. A PC 2 is equipped with a monitor 5, a memory part 6, a CPU 7 or the like, and the CPU 7 reads and executes a control program housed in the memory part 6, to thereby obtain the chromatisity value of a color sample.
Inventors:
IMURA KENJI
Application Number:
JP27854599A
Publication Date:
April 13, 2001
Filing Date:
September 30, 1999
Export Citation:
Assignee:
MINOLTA CO LTD
International Classes:
B41J2/525; G01J3/10; G01J3/28; G01J3/51; G01J3/52; G06T1/00; G06T5/00; H04N1/00; H04N1/46; H04N1/60; (IPC1-7): G01J3/52; B41J2/525; G06T1/00
Attorney, Agent or Firm:
Etsushi Kotani (2 outside)
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