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:
Mar. 24, 2020
Filed:
Sep. 19, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Satoshi Mikayama, Kanagawa, JP;
Yuta Taguchi, Kanagawa, JP;
Abstract
A luminance adjustment system adjusts luminance of image display in a display device. The luminance adjustment system includes a controller that changes the luminance in accordance with a value of illuminance in a target space, The controller has, as operation modes, a gradual change mode in which the luminance with respect to the value of illuminance is changed in a first time, and an abrupt change mode in which the luminance with respect to the value of illuminance is changed in a second time being shorter than the first time. The controller makes switching from the gradual change mode to the abrupt change mode with a sign of an abrupt change in illuminance in the target space taken as a trigger, and then operates in the abrupt change mode for at least a fixed time after the switching.