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. 10, 2014
Filed:
Jun. 03, 2011
Daisuke Nakanishi, Matsumoto, JP;
Daisuke Nakanishi, Matsumoto, JP;
Seiko Epson Corporation, , JP;
Abstract
A processing device includes a control section adapted to perform emission control of first and second light source sections based on a light reception result of a light receiving section adapted to receive a reflected light beam caused by an object reflecting irradiation light beams from the first and second light source sections, and a determination section adapted to determine a positional relationship of the object with respect to the first and second light source sections based on emission current control information for performing the emission control. The determination section determines the positional relationship of the object based on first period emission current control information as the emission current control information in a first period in which no object exists in the detection area and second period emission current control information as the emission current control information in a second period in which the object exists in the detection area.