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. 05, 2019
Filed:
Mar. 04, 2016
Kabushiki Kaisha Toshiba, Tokyo, JP;
Nobuhiro Nonogaki, Taito Tokyo, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
A position input device includes a coordinate system setting unit that uses position and orientation of the head of an operator in a first coordinate system to set a second coordinate system in a space including the operator, where a position on the face of the operator is designated as an origin, a transformation matrix calculation unit that calculates a transformation matrix from the first to the second coordinate system, a transformation matrix update unit that updates the transformation matrix according to a result obtained by transforming a coordinate indicating a position of the fingertip of the operator in the first coordinate system with the transformation matrix, and an indication straight line calculation unit that calculates a straight line passing through the origin of the second coordinate system and the position of the fingertip based on the transformation matrix and the position of the fingertip in the first coordinate system.