The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2009
Filed:
Jul. 29, 2005
Elizabeth Young, San Francisco, CA (US);
Aaron Edelberg, San Francisco, CA (US);
Mariko Nobori, Berkeley, CA (US);
Bryan C. Bleil, San Ramon, CA (US);
Elizabeth Young, San Francisco, CA (US);
Aaron Edelberg, San Francisco, CA (US);
Mariko Nobori, Berkeley, CA (US);
Bryan C. Bleil, San Ramon, CA (US);
Nvidia Corporation, Santa Clara, CA (US);
Abstract
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.