Lg Electronics Inc.

Jongwon Seo

Jihoon Kim

Taehyun Kim

Jongseok Park

Kyuho Lee

Seongwoo Choi

Jonghwan Lee

Hyunghoon Oh

Sanggil Park

Kyoungjoon Park

Minyong Jung

Hyungoo Joo

Seoungmyun Oh

Sukhun Yoo

A mobile terminal and a mobile terminal audio signal processing system including the same are disclosed. The mobile terminal includes a first body including an opening, a main circuit board, and a main earphone jack, a first audio signal processing body including a first circuit board, on which a sub-sound module receiving a digital audio signal from the first body and converting the digital audio signal into an analog audio signal is mounted, and a sub-earphone jack outputting the analog audio signal, and a controller outputting a first audio signal to the sub-earphone jack and outputting a second audio signal to the main earphone jack. The first audio signal processing body is a first state where the first audio signal processing body is coupled with the opening, or a second state where the first audio signal processing body is separated from the first body.

Mobile terminal altering operation when coupled with audio sub module

A mobile terminal is provided. The mobile terminal has a case, a top button located in a surface of the case, the top button including a light blocking part and a light transmitting part formed at a circumferential portion of the light blocking part, the top button having a front side exposed through the surface of the case and back side opposite the front side, a metal dome arranged at the back side of the top button, the metal dome having a projected center, an actuator configured to press the projected center of the metal dome to deform the metal dome when the top button is pressed, a circuit board having the metal dome seated on a side thereof, a light source mounted at the circuit board and a light guide layer configured to direct the light of the light source toward the surface of the case.

Mobile terminal

Growing community of inventors

Seoul, South Korea

Jongwon Seo