Ranging apparatus, ranging method, and interactive display system
US9098147B2 · kind B2 · utility
1Cited by
7References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Mar 23, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A ranging apparatus including an image sensor, an imaging lens, and a processor is provided. The imaging lens is configured to image an object on the image sensor to produce an image signal having at least one image parameter, wherein the at least one image parameter changes with a change of an object distance of the object. The processor is configured to determine the change of the object distance according to a change of the at least one image parameter. A ranging method and an interactive display system are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.