ANTENNA DEVICE OF A PRINTED CIRCUIT BOARD INCLUDING AN AUXILIARY ANTENNA, CAPABLE OF IMPROVING THE GAIN AND THE EFFICIENCY OF AN ANTENNA

摘要

PURPOSE: An antenna device is provided to improve the efficiency and the gain of an antenna by constituting a first and a second auxiliary antenna unit in both sides of a printed circuit board.;CONSTITUTION: A printed circuit board(2) mounts parts. A first auxiliary antenna part(11) is formed on the upper side of the printed circuit board. A second subsidiary antenna unit is formed on the lower part of the printed circuit board. The second subsidiary antenna unit(12) is formed in the location corresponding to the first auxiliary antenna part. The first and the second subsidiary antenna unit are composed of a slot antenna. The slot length of the slot antenna is 34mm.;COPYRIGHT KIPO 2010