Method for color erasing process and color erasing device

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United States of America Patent

PATENT NO 8922609
SERIAL NO

13972677

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Abstract

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According to an embodiment, a method for color erasing process includes the steps of: supplying a power to a heat source configured to heat a sheet having an image formed thereon using a color erasable material so as to cause heat generation as warming-up control; stopping the power supply to the heat source for a predetermined period of time in the warming-up control if the temperature of the heat source is increased starting from a temperature lower than a predetermined reference value that is lower than a color erasing temperature of the color erasable material and exceeds the predetermined reference value; performing maintenance control that is power supply control to maintain the temperature of the heat source at the target temperature; and performing, after the passage of the predetermined period of time, a color erasing process by the heat source.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBA72 HORIKAWA-CHO SAIWAI-KU KAWASAKI-SHI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hazu, Hiroyuki Shizuoka-ken, JP 19 131
Iguchi, Ken Shizuoka-ken, JP 223 1575
Iizuka, Chiaki Shizuoka-ken, JP 55 258
Kawaguchi, Takahiro Shizuoka-ken, JP 238 3066
Mizutani, Kikuo Shizuoka-ken, JP 67 298
Oshiro, Toshiaki Shizuoka-ken, JP 69 254
Saito, Yuichi Shizuoka-ken, JP 162 1943
Sugiyama, Hiroyuki Shizuoka-ken, JP 237 2205
Sugizaki, Yoshiaki Shizuoka-ken, JP 270 3165
Taki, Hiroyuki Shizuoka, JP 223 1396
Tsuchihashi, Hiroyuki Shizuoka-ken, JP 104 875
Yahata, Isao Shizuoka-ken, JP 115 931
Yamaguchi, Yoichi Shizuoka-ken, JP 46 447
Yokochi, Hidetoshi Shizuoka-ken, JP 39 236

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