| 摘要 |
<p>PURPOSE: To make it easy to operate a cursor by forming an operation member as two shift bars. CONSTITUTION: The control board has a common casing 1 equipped with a part 2 which faces forward, a keyboard 3 which slants at a small angle to the horizontal is arranged above the part 2, and a screen 4 is arranged at the rear part of the casing 1 so that it slants back slightly to the vertical. An operator can selects a specific position. i.e., point on the screen with the cursor. The two shift bars 6 and 7 are used as the operation member for positioning the cursor 5 at the necessary point on the screen; and one shift bar is arranged in the casing 1 above the long side of the screen and the other is arranged by the short side of the screen. Consequently, it is made easy to operate the cursor.</p> |
