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:
May. 13, 2014
Filed:
Mar. 14, 2013
Wistron Corporation, New Taipei, TW;
Huang-Ping Lu, New Taipei, TW;
Wei-Lun Liu, New Taipei, TW;
Wen-Chin Wu, New Taipei, TW;
Hsin-Hui Shih, New Taipei, TW;
Jheng-Bin Huang, New Taipei, TW;
Chia-Hsien Li, New Taipei, TW;
Wistron Corporation, Hsichih, New Taipei, TW;
Abstract
A digital photo frame having power saving functions includes a display panel, a power generation unit for switching a system power according to a power control signal, a passive infrared sensor installed on the display panel for detecting whether a user exists within a specific range to generate a user detection signal, a central processing unit for adjusting backlight intensity of the display panel when the system power is provided by the power generation unit according to the user detection signal and for generating a power switch-off signal when the backlight intensity of the display panel is turned off according to the user detection signal, and a power control unit for generating the power control signal to switch off the system power when the backlight intensity of the display panel is adjusted to be switched off according to the power switch-off signal.