Pointing device using camera and outputting mark
US9785253B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 18, 2014 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | May 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/19
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Pointing device like mouse or joystick comprises camera for capturing the display screen and image processing means for recognizing and tracking the pointing cursor icon or mark from the captured image and producing the pointing signal. The pointing device of present invention can be used with any type of display without and additional tracking means like ultra sonic sensor, infrared sensor or touch sensor. The pointing device of present invention includes mark outputting portion, camera portion for capturing the said mark outputting portion and image processing portion for recognizing the said mark outputting portion from the captured image and producing the pointing signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.