Patent ID: 8611972

Claim:
A mobile wireless apparatus comprising: a first housing; and a second housing configured to be slidably connected to the first housing, wherein the first housing includes: a conductor section; and a conducting member configured comprise a conductive material and to be connected to the conductor section, wherein the second housing includes: a ground circuit; a power feed circuit; a slide member configured to comprise a conductive material, to be connected to the ground circuit, and to be slidably engaged with the first housing; and an unbalanced antenna configured to be connected to the power feed circuit, wherein the conducting member is configured to make contact with the slide member when the first housing is opened with respect to the second housing, and configured to be separated from the slide member when the first housing is closed with respect to the second housing so that the conductor section of the first housing is not electrically connected to the ground circuit of the second housing, and wherein the conductor section is configured to be electrically connected to the ground circuit through the slide member and the conducting member when the first housing is opened with respect to the second housing.