Interactive input system and method
US9582119B2 · kind B2 · utility
1Cited by
15References
27Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 11, 2013 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Jan 11, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image capture method comprises generating a synchronization signal based on modulated illumination; and synchronizing image frame capture of at least one image sensor using the synchronization signal with the illumination timing of an active pointer within a region of interest in the field of view of the at least one image sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.