Apparatus and method for reducing power consumption of a...

Details Apparatus and method for reducing power consumption of a... Apparatus and method for reducing power consumption of a...

2008-03-25

2008-03-25

Tran, My-Chau T. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000, C345S211000, C345S212000

Reexamination Certificate

active

07348958

ABSTRACT:
A method and apparatus for reducing power consumption of a backlight control unit of a mobile communication terminal are disclosed. The output voltage of a voltage source is measured. If the output voltage is at least a predetermined value, the output of the voltage source is used to drive a backlight illumination unit. If the output voltage is below the predetermined value, an up-converted constant voltage is used to drive the backlight illumination unit.

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patent: 6807430 (2004-10-01), Woods et al.
patent: 6873322 (2005-03-01), Hartular
patent: 7138992 (2006-11-01), Nakamura
patent: 06-285106 (1994-10-01), None
patent: 2001-143878 (2001-05-01), None
patent: 2002-032131 (2002-03-01), None

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