Patent ID: 7667653
Filing Date: 2010-02-23
Classification: H01Q

Abstract:
1. An antenna unit comprising: a board having first and second surfaces opposite to each other; a first antenna pattern, formed on the first surface of said board, for transmitting and receiving a first radio wave having a first frequency band; and a second antenna pattern, formed on the second surface of said board, for transmitting and receiving a second radio wave having a second frequency band different from the first frequency band, wherein said first antenna pattern and said second antenna pattern are electrically disconnected from each other and are disposed so as to be opposed to each other through said board; wherein said board has a center line; wherein said first antenna pattern extends in an L-shaped fashion at both sides with respect to the central line of said board, said first antenna pattern having a substantially U-shape as a whole; wherein said second antenna pattern comprises a pair of conductive patterns which are symmetrically formed at said both sides with respect to the center line of said board; wherein said first antenna pattern comprises: wherein said pair of conductive patterns comprises: wherein said first L-shaped wiring pattern comprises: wherein said second L-shaped wiring pattern comprises: wherein said first conductive pattern comprises: wherein said second conductive pattern comprises: