Samsung Electronics Co., Ltd.

Mu Seon Im

Hyung Woo Park

Yong Cheol Jeong

Nam Hyeong Kim

Ho Sik Cho

Young Wan Cho

Yong Seong Jeong

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.

Method for noise removal of ear phone in portable terminal and apparatus thereof

Disclosed is an apparatus for recognizing an earphone of a portable terminal that includes an interface unit which is connected to the earphone; a controller which performs a switch operation by determining whether a switch key of the earphone is inputted, according to a change of a current of a first port and a voltage of a second port, when the connection of the earphone is sensed; and an audio processing unit that outputs an audio signal to the earphone under the control of the controller.

Method for recognizing ear phone in portable terminal and apparatus thereof

Growing community of inventors

Gyeonggi-do, South Korea

Mu Seon Im