Optical input apparatus
US9035885B2 · kind B2 · utility
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1Claims
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Key dates
| Filing date | Jul 23, 2013 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Oct 1, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0393
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical input apparatus is provided and includes an input device for providing data and control signals to a computer; and at least one object sensing module disposed on a top of the input device and each including an optical sensor and a light source. The light source is capable of emitting light upward divergently to create a virtual sensing space above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.