| 摘要 |
<p>A hand operable input device (1) is coupled (2). The device (1) includes a housing (4) and an optical platen (5) supported by the housing (4) A sensing system (7) within the housing provides a signal indicative of a finger or other digit selectively engaged against the surface (6) of the platen (5). The signal is used to control a computer application. The signal may include positional information for controlling the operation of a pointer (2a) on the screen (2), and fingerprint information for authenticating the identity of the user to authorize use of an other application.</p> |
