Trackball for touch sensor
US10379636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2017 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Sep 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/044
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
System comprising a touch sensor, a trackball and a trackball detector, wherein the trackball comprises a support structure and a ball and is arranged on the touch sensor such that the ball is rotatably supported over the touch sensor surface, wherein a surface of the ball comprises a pattern of detection portions, wherein the touch sensor is configured to detect a position of a touch of an object on a touch sensor surface of the touch sensor, wherein the trackball detector is configured to detect the rotational movement and/or the rotational orientation of the ball on the basis of a movement and/or a position of at least one of the detection portions detected on the touch sensor surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.