| 摘要 |
The present invention is directed to a pointing device writing tip comprised of a surface being structured in a manner that while writing with the writing tip on a writing surface, the contacts of the writing tip with the writing surface produce different sounds in different directions. A hand writing recognition system is provided based on at least the recognition of sounds produced by the writing tip having a surface being structured in a manner that while writing with the writing tip on the writing surface, the contacts of the writing tip with the writing surface produce different sounds in different directions for use by the recognition system. |
