| 摘要 |
<p>A dial system for steering wheel of an automobile is divided into two portions electrically connected by a cable and each includes a first casing (10) and a dial set (20) received in the first housing (10). The dial set includes a number button (22) and multiple functional buttons (21) partially extending the first housing for being operated. A circuit board (30) is received in the first housing for wirelessly transmitting signals when the buttons are operated. A second housing (40) is mounted to the first housing to form a space for receiving the dial set and the circuit board. A battery seat (50) with battery (51) is laterally inserted into the space for providing power to the circuit board. A clamp (60) is mounted to a bottom of the second housing (40) and clamps the steering wheel (70) to hold the dial system in place on the steering wheel for an easy operation.</p> |
