| 摘要 |
<p>The wallet has one part of the surface on which the calculator is fixed covered with a magnetic material, and a raised frame (6) which defines a housing inside which the calculator (1) is placed. A sheet (8) of magnetic material, such as a magnetic rubber is glued or sewn onto the case or is fixed on a plate inserted under the frame, which may be C-shaped or V-shaped so that the calculator can be easily removed. If the calculator has a non-magnetic back, a thin sheet of ferritic material is glued on the back.</p> |
