Samsung Electronics Co., Ltd.

Yue-Il Youn

Dae-Chul Kang

Hyu-Myung Jeon

Jong-Kui Park

Tae-Hui Cho

Yun-Kyoung Ko

Seung-Han Seo

Jung-Cheon Choi

Provided is a portable terminal with a variable ground unit. The portable terminal includes a main board including a ground layer having a predetermined area; at least one antenna radiator placed at the main board; at least one conductor installed or formed in the terminal and spaced apart from the ground layer; at least one switching unit interposed between the at least one conductor and the ground layer, the switching unit selectively connecting the conductor to the ground layer through an electrical connection unit; and a controller controlling the switching unit so that the conductor and the ground layer of the main board are selectively electrically connected depending on a state of the terminal.

Portable terminal with variable ground unit

Disclosed is a combined DMB and mobile communication antenna apparatus for a mobile communication terminal. The antenna apparatus includes one whip antenna for receiving both signals in a DMB frequency band and in a mobile communication frequency band, a first contact coupled to the whip antenna to receive the signal in the mobile communication frequency band from the whip antenna, and a second contact located under the first contact within a terminal main body and coming in contact with the whip antenna at a lower end of the whip antenna to receive the signal in the DMB frequency band when the whip antenna is drawn out.

Combined DMB and mobile communication antenna apparatus for mobile communication terminal

Growing community of inventors

Hwaseong-si, South Korea

Yue-Il Youn