| 摘要 |
<p>A billboard also serving as a film antenna. Advertisement characters (11a, 11b), which are advertisement figurations, are each composed of metal lines surrounding the outer edges of the character and are connected to each other through metal lines. On a film base (10), the advertisement characters (11a, 11b) and a cold-side antenna element (12) along the periphery of the film base (10) are formed of metal lines. The mutually connected advertisement characters (11a, 11b) are used as a hot-side antenna element (13), and resultantly the billboard (1) serves as a film antenna.</p> |
