| 摘要 |
A three-axis antenna having a first to a third antenna coils (20a, 20b, 20c) arranged so that directions of maximum reception sensitivities are orthogonal to each other, the first to the third antenna coils comprising respectively: a planar coil (30, 31, 37, 38) being wound around the winding axis in circumferential direction and has an aperture; and a foil-type core (40, 42-48) inserted in the aperture; the foil-type core being arranged on a plane to be in parallel to the plane of the first to the third coils. |
