| 摘要 |
<p>A data entry system includes a hand held data entry unit having a reading sensor for sensing commands and/or data, rewritable storage for storing information relating to selectable items, a controller (a microprocessor or other processing circuitry) and a display screen for displaying a user readable representation of the commands and/or stored information for a selected item, and a telecommunication interface for the telephonic transmission of information relating to a selected item or items the storage to a remote processing centre and for the telephonic transmission of information relating to selectable items from the remote processing centre to the storage. Preferably a telecommunications interface is provided in the hand held unit for cellular or other wireless telephony system. The hand held unit can be configured to combine the data entry functions with those of audio telephony.</p> |
