| 摘要 |
<p>PURPOSE:To enhance portability of the coordinate input electronic apparatus, to switch it a reflection type and a transmission type in accordance with brightness of the peripheral environment and a use time of a battery, and to clearly execute the display. CONSTITUTION:With respect to the lower case 5 of a pan input electronic apparatus A for containing a display device in which a digitizer 1 is provided of the surface, and a liquid crystal plate 3, and a semitransmission plate 4 are installed on its reverse side, and its back, respectively, a window hole 6 is formed in the back park of the liquid crystal plate 3, and to this window hole 6, a light shielding plate 7 for allowing it to be subjected to light shielding is attached so as to be attachable and detachable, and a light source window 9 of a back light box B being a light source to the liquid crystal plate 3 is allowed to coincide with the window hole 6 so that the pen input electronic apparatus A can be placed thereon.</p> |
