发明名称 Device and method for the selective carbonization of paper
摘要 A device for the selective carbonization of at least a part of a surface of a paper object, including receiving means for receiving the paper object, at least one laser for selectively heating one or more parts of the surface of said paper object to a level wherein the heated part of said surface at least partly carbonizes and thereby changes color, and control means for controlling the laser.;A method for the selective carbonization of at least a part of a surface of a paper object, including the steps of: receiving the object in receiving means, and controlling heating means with control means in order to selectively heat one or more parts the surface of said paper object to a level wherein the heated part of said surface at least partly carbonizes and thereby changes color.
申请公布号 US9393804(B2) 申请公布日期 2016.07.19
申请号 US201414780131 申请日期 2014.03.25
申请人 Tocano Holding B.V. 发明人 Seshaiya Doraiswamy Chandrasekar Venkatesh
分类号 B41J2/32;B41J2/475;B41J2/47 主分类号 B41J2/32
代理机构 McDonnell Boehnen Hulbert & Berghoff LLP. 代理人 McDonnell Boehnen Hulbert & Berghoff LLP.
主权项 1. Printing device for the selective carbonization of at least a part of a surface of a paper object, comprising: receiving means for receiving the paper object; at least one laser for selectively heating one or more parts of the surface of said paper object to a level wherein the heated part of said surface at least partly carbonizes and thereby changes color; and a controller for controlling the laser; characterized in that said printing device comprises a substantially transparent cover that is arranged between said laser and at least a to be heated part of said paper object.
地址 NL