INPUT DEVICE FOR COMPUTER-AIDED DESIGN DRAWING SYSTEM

摘要

The invention relates to an input device for computer-aided design where a screen of a display device is presented on a digitizer as a drawing table and the position of a position indicator for the control of a cursor on the digitizer and a cursor position on the screen of the display device presented on the concise digitizer, and the drawing is performed on the screen of the display device by introducing the position signal by the position indicator in the control device. / P P According to the invention, means are provided for displaying a standard right-angle line 64 on the display screen, a position indicator 54 controls the standard line at an angle right and it is provided separately from the position indicator and a control means 52 moves and rotates the standard line at right angles on the screen by the coordinate signal based on the indicator d e position. / P P The invention applies in particular to the drawing. / P