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. 02, 2015
Filed:
Apr. 29, 2009
Xiaohui Xie, Beijing, CN;
Yanming Zou, Beijing, CN;
Yingfei Liu, Beijing, CN;
Kongqiao Wang, Beijing, CN;
Xiaohui Xie, Beijing, CN;
Yanming Zou, Beijing, CN;
Yingfei Liu, Beijing, CN;
Kongqiao Wang, Beijing, CN;
Nokia Technologies Oy, Espoo, FI;
Abstract
Various methods for written mathematical expression analysis are provided. One method may include receiving written input where the written input is representative of a mathematical expression. The method may also include analyzing the written input to identify at least one operator and at least one operand and constructing an expression tree based at least in part on predefined symbol relationships, the at least one operator, and the at least one operand. Similar apparatuses and computer program products are also provided.