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.

Date of Patent:
Oct. 21, 2014

Filed:

May. 22, 2009
Applicant:

Yu-peng Lai, Taoyuan County, TW;

Inventor:

Yu-Peng Lai, Taoyuan County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H04W 52/02 (2009.01); H04M 1/22 (2006.01);
U.S. Cl.
CPC ...
H04W 52/027 (2013.01); H04M 1/22 (2013.01); Y02B 60/50 (2013.01);
Abstract

The present invention provides a handheld device comprising: a processor, which is electrically connected to a light sensor. When the processor determines that a phone call event has occurred, the processor will enable the light sensor to control the display. Moreover, the present invention provides a power saving method for a handheld device that will execute the following steps when a phone call event occurs: measuring an ambient brightness value of the handheld device; continuing determining whether a change of the ambient brightness values satisfies at least one predetermined condition; and turning off a display of the handheld device if the change satisfies the predetermined condition.


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