Refreshing method of background signal and device for applying the method
US9804702B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 23, 2015 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Oct 14, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0446
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A refreshing method of background signal for a device includes the steps of: obtaining one or more touched coordinate pairs; obtaining a refreshing area according to the touched coordinate pair and a measuring breadth; and refreshing a background signal of the refreshing area. The refreshing area is determined by extending a distance of measuring breadth from a center point corresponding to the touched coordinate pair along the orthogonal directions. Accordingly, the refreshing area is sufficient to address the situation where the user draws a line continuously from the touched coordinate pair if the measuring breadth is determined properly. Therefore, the method may satisfy the needs of the user and reduce the refreshing time of an active area of the device. In addition, a device for applying the method is provided as well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.