Stylus apparatus and method for transmitting light
US6646635B2 · kind B2 · utility
99Cited by
10References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2001 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Aug 4, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/03545
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A stylus apparatus and method includes a manually operable lightpipe for transmitting light. The manually operable lightpipe includes a body portion for transmitting the light, the body portion having an outer surface. The manually operable lightpipe further including a receiving end portion for receiving the light, and a display end portion for displaying the light. A protective cover layer is positioned over outer surface of the body portion to direct the light from the receiving end portion to the display end portion and to prevent the light from exiting the body portion through the outer surface of the body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.