Patent ID: 9298301
Filing Date: 2016-03-29
CPC Classification: G06F,G09G,H04N,Y02D

Claim Text:
1. A power management method for use by a handheld mobile electronic device comprising a display having a first brightness, and the method comprising: adjusting the display from having the first brightness to a second brightness which is less than the first brightness in response to no input signal being received by the display after a first predetermined period; restoring the display from the second brightness back to the first brightness in response to receiving a sensor output generated by a movement of the handheld mobile electronic device; adjusting the display to the second brightness in response to a first activation of a first key of the handheld mobile electronic device; keeping the display in the second brightness regardless of any movement of the handheld mobile electronic device in response to the first activation of the first key; and restoring the display from the second brightness back to the first brightness in response to a second activation of the first key of the handheld mobile electronic device, wherein the second activation of the first key is subsequent to the first activation of the first key.