| 摘要 |
<p>1. A device for feeding data into a data processing machine comprising a manual dial system (2), a sight cover (10, 30) for the reception of said manual dial system, said sight cover forming a space above said manual dial system and having an opening for letting the hands of the operator through into said space, as well as a transparent opening (22) disposed in the covering wall (14) of said sight cover approximately opposite to said manual dial system (2), characterized in that a portable sight cover (10, 30) is constructed to receive a portable manual keyboard (2), that in said sight cover (10, 30) means are provided for orienting and fixing said manual keyboard (2) in a predetermined operating position, and that said transparent opening (22) has a size corresponding substantially to the dimensions of the keyboard (4) of said manual keyboard (2) and coinciding substantially with said keyboard (4) when said manual keyboard (2) is in its operating position.</p> |
