Multiple scan mixed color ink jet recording method

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United States of America Patent

PATENT NO 5992972
SERIAL NO

08632737

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Abstract

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A recording scan is performed through a relative reciprocation of color recording heads on a recording material. The recording heads can record with higher recording density than that of input image date. A plurality of pixels (2.times.2)are formed for each pixel of input image data. A mixed color image is recorded by multiple scans of the recording heads, in such a manner that pixels thereof (2.times.2) are not subjected to superposition of ink of two colors or more during a scan of the recording heads. Thus, it is possible to prevent an occurrence of variations in mixed color, and to record a high quality color image without increasing a recording time. Further, an amount of ink of one color may be reduced when recording a second one of the scans.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gotoh, Fumihiro Yokohama, JP 60 1396
Hirabayashi, Hiromitsu Yokohama, JP 211 5692
Koitabashi, Noribumi Yokohama, JP 182 4431
Matsubara, Miyuki Tokyo, JP 84 2277
Nagoshi, Shigeyasu Kawasaki, JP 119 2710
Sugimoto, Hitoshi Kawasaki, JP 153 3560
Uetuki, Masaya Kawasaki, JP 21 555

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