| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve receiving performance of a radio wave receiver built-in meter device. SOLUTION: A ground pattern 511 formed on a meter circuit substrate 3 for controlling of meters 21A-21D, etc., is connected to a keyless entry receiver 7 to be used as the element of an antenna 8. Since the meter circuit substrate 3 has considerably a larger shape than the keyless entry receiver 7, it can fully secure the element length of the antenna 8, and even when the distance to a body grounding becomes longer, the effects of wire harness to antenna characteristics can be reduced.</p> |
