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US 2011/0177263 A1Published application
Recording medium and image forming apparatus
AssigneeFuji Xerox Co., Ltd.
InventorsShinji HASEGAWA, Minquan TIAN, Yuka ITO, Suguru NAKASO, Makoto FURUKI
Life of this patent
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Abstract
A recording medium includes a first image that is read with infrared light and that is formed of plural dots having infrared absorptivity, part of the plural dots being invisible first dots, the remaining dots being visible second dots; and a visible second image that is formed of the second dots or the second dots and visible third dots not having infrared absorptivity.
Claims8
A recording medium comprising:
- a first image that is read with infrared light and that is formed of a plurality of dots having infrared absorptivity, part of the plurality of dots being invisible first dots, the remaining dots being visible second dots;
- and
- a visible second image that is formed of the second dots or the second dots and visible third dots not having infrared absorptivity.
An image forming apparatus comprising:
- a first recording device that records invisible first dots having infrared absorptivity;
- a second recording device that records visible second dots having infrared absorptivity;
- and
- a control device that controls the first recording device and the second recording device so as to form, on a recording medium, a first image that is read with infrared light and that is formed of the first dots and the second dots and a second image that is formed of the second dots.
1 more element
Dependencies are inferred from the claim text.