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US 2010/0303255 A1Published application
Method for noise removal of ear phone in portable terminal and apparatus thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsMu Seon IM, Yong Seong JEONG, Hyung Woo PARK
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Abstract
Provided is a method of removing an earphone noise of a portable terminal includes: recognizing a connection of an earphone through an interface unit; applying power to a mike bias port in case the earphone is recognized; sensing a signal which indicating a detachment of the earphone from the interface unit during applying power to the mike bias port; and discharging the power of the mike bias port when the detachment occurs.
Claims9
A method of removing an earphone noise of a portable terminal during a detachment of an earphone, the method comprising:
- applying power to a mike bias port when the earphone coupled to the portable terminal via an interface unit;
- sensing a detachment of the earphone from the interface unit during operation;
- and
- discharging the power of the mike bias port when the detachment of the earphone occurs.
1 more element
A portable terminal, comprising:
- an interface unit which detachably coupled to an earphone;
- and
- a controller which controls to generate a first signal and apply power to a mike bias port in case the earphone is coupled through the interface unit, and to generate a second signal and discharge the power of the mike bias port through a discharge process unit when detachment of the earphone occurs.
Dependencies are inferred from the claim text.