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US 9,539,843 B2Granted
Apparatus and method for forming an image with a non-decolorizable material and a decolorizable material
AssigneeToshiba Tec Kabushiki Kaisha
InventorsMotonari Udo, Masahiro Ikuta, Kazuhisa Takeda, Tsuyoshi Itou, Takayasu Aoki, Takafumi Hara
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Abstract
An image forming apparatus includes a first image forming unit configured to form a first image to be transferred to a sheet with a non-decolorizable material, and a second image forming unit configured to form a second image to be transferred to the sheet with a decolorizable material. At least a part of the second image transferred to the sheet is formed on the first image transferred to the sheet.
Claims12
A method for forming an image on a sheet, comprising:
- forming a first image on a transfer unit with a non-decolorizable material;
- forming a second image on the transfer unit with a decolorizable material, the decolorizable material having a similar color as the non-decolorizable material;
- and
- transferring the first and the second images to a sheet, such that at least a part of the second image transferred to the sheet is on the first image transferred to the sheet to make a mask with the second image on the first image.
1 more element
An image forming apparatus comprising:
- a first image forming unit configured to form a first image to be transferred to a sheet with a non-decolorizable material;
- and
- a second image forming unit configured to form a second image to be transferred to the sheet with a decolorizable material, the decolorizable material having a similar color as the non-decolorizable material
- a transfer unit on which the first image is formed by the first image forming unit and on which the second image is formed by the second image forming unit, and from which the first and second images are transferred to the sheet, such that at least a part of the second image transferred to the sheet is on the first image transferred to the sheet to make a mask with the second image on the first image.
1 more element
Dependencies are inferred from the claim text.