| 摘要 |
The card reader includes a circuit board in a housing as a principal unit, the circuit board is provided with a circuit connector to connect with a main circuit of an electric equipment. The circuit board is provided on the front surface thereof at least with an insertion slot for insertion of a memory card; and an integrated circuit is connected between the insertion slot and the circuit connector to control the operation of the entire card reader, and further to form the connection between the memory card and the main circuit. The structure is characterized by that, the structure is provided in the section between the integrated circuit and the housing with a plurality of electrically conductive areas formed of electrically conductive material; the electrically conductive areas are connected with the grounding line of the circuit board to form a function of grounding to scatter electric waves, so that the integrated circuit can avoid damaging and destroying by piercing of external electric waves.
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