Patent ID: 6603469
Filing Date: 2003-08-05
Classification: G06F,G09G,Y02D

Abstract:
In a portable electronic device, a method of enhancing battery life comprising the steps of:a) detecting a battery energy level of said portable electronic device below a first predetermined level, wherein said portable electronic device has a multi-mode display device; b) in response to step a), placing said multi-mode display device into a monochrome display mode to enhance remaining battery life of said portable electronic device; b1) displaying a message on said multi-mode display device indicating a low battery state and also indicating a user selection between color and monochrome display modes; b2) in response to a user selection of said monochrome display mode, placing said multi-mode display device into said monochrome display mode; c) detecting said battery energy level of said portable electronic device above a second predetermined level; and d) in response to step c), placing said multi-mode display device into a color display mode.