Writing stylus
US7567242B2 · kind B2 · utility
33Cited by
57References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2007 |
| Grant date | Jul 28, 2009 |
| Priority date | — |
| Expiry date | Jul 20, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B19/025
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A stylus for an electrographic position location apparatus is disclosed. In one embodiment, the stylus includes a writing element that is retractable. The stylus may have a proximal end and a distal end. A conductive annular structure may be at the proximal end of the stylus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.