Systems and methods for tracking screen updates
US8019003B2 · kind B2 · utility
9Cited by
5References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 2005 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Sep 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/04
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of capturing a screen includes monitoring screen changes on a first display system and inserting information into a queue, the information including a first type of information and a second type of information, reading the information from the queue and maintaining a dirty region describing areas of the screen which have been changed, wherein areas affected by the first type of information are added to the dirty region and areas affected by the second type of information are subtracted from the dirty region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.