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. 09, 2019
Filed:
Jan. 12, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Atsushi Ichihara, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided an electronic device capable of suppressing the effects of noise caused by driving of a backlight, and preventing an erroneous detection of an operation on a touch panel. The electronic device includes a display, a touch panel, which is arranged on a display surface side of the display and is capable of detecting a touch operation, a backlight of the display, a backlight control unit configured to drive and control a current of the backlight based on pulse width modulation, and a CPU. The CPU is configured to cause the backlight control unit to drive and control the backlight at a current drive frequency different from a sub-scanning frequency of the touch panel.