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:
Nov. 06, 2018
Filed:
Aug. 18, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Tomonori Nakazawa, Odawara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image display apparatus includes a display module that displays an image, a cooling fan that rotates to cool the display module, an ambient temperature sensor that acquires an ambient temperature of the display module, and a fan control circuit board that controls a speed of rotation of the cooling fan. In response to acquisition of a mode change signal by the fan control circuit board, the fan control circuit board controls the speed of rotation of the cooling fan from a first speed of rotation to a second speed of rotation lower than the first speed of rotation and, in response to a lapse of a first period determined based on the ambient temperature, controls the speed of rotation of the cooling fan from the second speed of rotation to a third speed of rotation higher than the second speed of rotation.