| 摘要 |
PURPOSE:To perform diveristy reception by using a heating conductor wire groups of a window glass of a car as one of antennas. CONSTITUTION:A window glass of a car is provided with an antenna conductor wire group 10, and this group 10 and a heating conductor wire group 2 (for defrosting) are connected to a changeover switch 17. The switch 17 is automatically switched with a reception level detection signal or an FM multi-path distortion detecting signal (to detect distortion of a stereo pilot signal of 19kHz) to select either the group 2 or the group 10. In Figure, 3 is a power supply for heating, 8 is a high frequency choke coil and 9 is a decoupling capacitor. |
