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:
Jul. 22, 2014
Filed:
Nov. 01, 2011
Yuishi Takeno, Shizuoka-ken, JP;
Shinji Saegusa, Shizuoka-ken, JP;
Takuya Ogishima, Shizuoka-ken, JP;
Yuishi Takeno, Shizuoka-ken, JP;
Shinji Saegusa, Shizuoka-ken, JP;
Takuya Ogishima, Shizuoka-ken, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
According to one embodiment, a coordinate recognition apparatus includes a plurality of light-emitting devices, a plurality of light-receiving devices, and a controller. The light-emitting devices and the light-receiving devices are arranged in an array along X direction. The controller forms a plurality of groups of light paths each formed by a plurality of light paths parallel to one another in a plane including the light-emitting devices and the light-receiving devices such that an angle of the light paths varies from group to group, identifies positions p and l of each of the groups in the X direction of the light-emitting device and the light-receiving device corresponding to the light path that passes through the center of a light shield region, and calculates coordinates of the center of the light shield region in the plane based on the identified positions p and l of each of the groups.