Patent ID: 8896490

Claim:
A core assembly for a three-axis antenna comprising a first core member comprising a body around which an X-axis coil and a Y-axis coil are wound, and flanges integrally and diagonally extending from said body; a second core member comprising a body around which an X-axis coil and a Y-axis coil are wound, and flanges integrally and diagonally extending from said body; and a bobbin comprising an annular portion and projections integrally and diagonally extending therefrom; the projections of said bobbin being provided with terminal members connected to the ends of the X-axis coil, the Y-axis coil and the Z-axis coil; the annular portion of said bobbin functioning as a space for disposing said first core member from one side, and receiving at least part of the body of said second core member from the other side, such that the body of said first core member and the body of said second core member are at least partially adjacent to each other; and a space for winding the Z-axis coil being provided between the projections of said bobbin and the flanges of said first or second core member.