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:
Feb. 10, 2004
Filed:
Mar. 21, 2001
Linus Wiebe, Malmo, SE;
Anoto AB, Lund, SE;
Abstract
A product has a surface having with a position-coding pattern that codes a plurality of positions on the surface. The position-coding pattern includes a plurality of symbols each having at least two different values. Each position on the surface being coded with a plurality of symbols. Each symbol including a raster point in a raster extending over the surface, and at least one marking, the location of which in relation to the raster point specifies the value of the symbol. The markings can include information representing more than one spatial resolution level and varying between different markings. The position-coding pattern can be used in different contexts for position determination such as digitizing handwriting.