发明名称 Image bearing surface
摘要 An image bearing surface. In accordance with a first embodiment of the present invention, an image bearing surface comprises a surface for interacting with a writing element of an electronic interactive device to embody a user created image thereon. The image bearing surface includes a first demarked region for accepting a plurality of user created images, each of the images representing a user response to a question, and a second demarked region for accepting a plurality of user created images identifying characteristics of the first demarked region to the electronic interactive device. The first and second demarked regions comprise a permanently printed encoded pattern of location information on the surface for providing location information to the electronic interactive device. The image bearing surface may be used to facilitate the use of supplementary educational testing materials.
申请公布号 US7549596(B1) 申请公布日期 2009.06.23
申请号 US20050194020 申请日期 2005.07.29
申请人 NVIDIA CORPORATION 发明人 YOUNG ELIZABETH;EDELBERG AARON;NOBORI MARIKO;BLEIL BRYAN C.
分类号 G06K19/06;G09B3/00;G09B7/00 主分类号 G06K19/06
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