| 摘要 |
The present invention employs a relatively inexpensive pen which may be a ball pen with a transparent ball (34), an ink reservoir (32), a light sensitive device (11) and an analysing circuit (17). Either the circuit (17) or apparatus coupled to the pen is arranged to analyse, on a temporal basis, light received by the device (17) which has been modulated as the pen is used to write on closely lined paper. Alternatively, the pen may contain storage and transmit data for external analysis. The analysis can be used, for example, in signature verification or data entry. Other forms of inexpensive devices for obtaining data using pens writing on lined paper are described. |
