| 摘要 |
<p>The unit has a rectangular housing (10) including a housing unit (12) with a front side (14) and side surfaces (22, 24, 26). The housing unit is manufactured from a translucent silicate glass and is sand blasted in its inner side. A refracting unit with depressions and elevations is provided inside or outside the housing unit. A touch screen is provided in the housing and is viewed and operated via a rectangular recess in the front side.</p> |
