| 摘要 |
<p>The device described has a metal plate (39) with a longitudinal recess (40) in which is lodged a series circuit comprising a resistor (42) and a diode (43). The leads of the series circuit are soldered to the edges of the recess (40). The plate is bent through a small angle along a straight line (44) parallel to the axis of the recess (40) and has a perforation (45) for attaching an antenna pennant.</p> |
