| 摘要 |
<p>This invention relates to devices (10; 100; 200, 300, 400, 500) used for advertising In particular, advertising material is placed in a transparent plastics pocket (22) on a headrest cover (11). Alternatively, advertising material is affixed to a rotatable belt (226) or a plurality of triangular shaped prisms (426) which, on rotation, allow a variety of advertising material to be displayed on a headrest cover. Furthermore, a DVD player or other image-generator may be used to supply advertising images to a display screen (522) on a headrest cover (500).</p> |
