ANTENNA DEVICE OF A PORTABLE TERMINAL CAPABLE OF IMPROVING RADIATION PERFORMANCE OF AN EXTERNAL MONOPOLE ANTENNA

摘要

PURPOSE: An antenna device of a portable terminal is provided to prevent deterioration of radiation performance when an external monopole antenna is inserted from the outside to the inside of the terminal.;CONSTITUTION: A main board(310) includes a feeding unit(301) and a ground unit(302). An elastic unit is formed in the end of the feeding unit. A rod antenna(320) is protruded to the outside of the terminal and is inserted into the terminal. A connector(330) electrically connects the ground unit of the main board and the rod antenna. The main board includes a switching unit which electrically connects the connector and the rod antenna.;COPYRIGHT KIPO 2012