Patent attributes
An antenna device capable of using an existing external antenna as a diversity antenna is disclosed. The disclosed antenna device includes: a radiator configured to be extensible to the outside of a terminal; a feeding switch configured to perform a switching operation for connecting one of a plurality of feeding units to the radiator; at least one conductive line of which a first end coming into contact with a part of the radiator when the radiator is inserted into the inside of the terminal; and at least one ground switch coupled to the at least one conductive line and configured to switch a connection between a second end of the conductive line and the ground. In accordance with the disclosed antenna device, it is possible to use an existing external antenna as a diversity antenna without installing an additional antenna.
