| 摘要 |
<p>An electronic tablet (1) for receiving hand written input via an input pen (14), including a receptacle (23) for the pen (14) and a detector (31, 32) operative to detect the presence of the pen (14) in the receptacle (23). Preferably, a warning signal generator (38) is also provided to generate, at appropriate times, a warning signal indicating absence of the pen (14) from the receptacle (23). <IMAGE></p> |
