Cursor pointing device based on thin-film interference filters
US5793353A · kind A · utility
17Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 1996 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | May 15, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0325
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hand-held pointing device for positioning a cursor on a display having a plurality of illuminating devices at a periphery thereof, includes a housing, an interference filter coupled to the housing, a device for detecting light having been emitted from the plurality of illuminating devices and filtered by the interference filter, a device, coupled to the detecting device, for distinguishing a region of the periphery of the display from which the light having been detected originates, and a device for translating the detected light into values for positioning the cursor on the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.