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. 03, 2014
Filed:
Aug. 25, 2010
Takahiro Watanabe, Osaka, JP;
Takahiro Watanabe, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A pointing device including a touching surface, a light emitting diode, an imaging element, and a first light control part. A fingertip is placed on the touching surface. The light emitting diode illuminates the touching surface from a side opposite to a side where the fingertip is placed. The imaging element receives light reflected from the fingertip. The first light control part controls light, which is emitted from the light emitting diode and reaches the touching surface, so that the light is evenly incident to the touching surface. The pointing device improves detection accuracy and prevents malfunctions, even when there is deviation in an output from a light source. In addition, an electronic apparatus including an input device can be provided.