Pointing device user interface method, medium, and system robust against external noise
US8547332B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2007 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Dec 24, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0325
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A pointing method, medium, and system detecting a synchronization signal from a plurality of light sources sequentially blinking at predetermined periods, detecting position information of the light sources by driving a video camera in synchronization with the synchronization signal, removing noise from among observed light sources by using the position information, and calculating a pointed to position by using the position information of the non-noise light sources. Provided is also a pointing reception method, medium, and system using a plurality of light sources blinking sequentially at predetermined periods, receiving the position information corresponding to light sources presenting the signals received by a pointing device and the position information pointed by the pointing device, and changing output data with respect to the pointed position information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.