| 摘要 |
PURPOSE:To obtain an antenna device which is strong against wind and snow and does not damage a roofing tile of a housing and does not spoil the beauty of the whole of the house, by making the roofing tile of the house and an antenna into one body. CONSTITUTION:Plural roofing tiles 1 are arranged on the roof of the house, and loop antennas A11-A34 are provided as one body on respective roofing tiles 1. Each of loop antennas A11-A34 is mounted on the rear face or the front face of the roofing tile 1 or is buried in it and is constructed together with the roofing tile 1 when the house is built. Loop antennas A11-A31, A12-A32, A13-A33, and A14-A34 in respective columns of loop antennas A11-A34 are connected in series or parallel and are grouped to four lines of loop antennas. Outputs of respective grouped loop antennas are inputted to phase shifters and are changed to have phases shifted a little from one another and are mixed in a mixer and are supplied to a television receiver. |
