Systems and methods for determining position and velocity of a handheld device
US7773796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2008 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Aug 31, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04717
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention provide a handheld device that comprises an information module for obtaining and/or receiving information pertaining to a surface adjacent to the device, and a position determination arrangement for determining at least one of a position and/or velocity of the handheld device. The position determination arrangement comprises a determination module configured to determine at least one of a relative position of the handheld device and/or a velocity of the handheld device based upon at least one of surface markings located on the surface adjacent the device and/or apparatus markings located on an input apparatus. The surface markings and the apparatus markings are configured to provide absolute position information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.