Print job queuing and scheduling systems and methods
US7548335B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2005 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Aug 23, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/1286
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Printing systems and methods are described in which the priorities of print jobs are programmable. A scheduler component oversees print job management and scheduling, and works in concert with components called prioritizers, to provide for ease of programming and customization. In at least some embodiments, an interface to the system is provided to allow prioritizers to be programmed and inserted to customize the behavior of the scheduler according to different print job properties. In at least some embodiments, the system utilizes a model for the relative prioritization of print queues in the system to enforce a fair to balancing of system resources between print queues. In at least some embodiments, the system can independently schedule the rendering and printing operations when printing a job and can use a heuristic known as “starvation risk” to help ensure that throttling rendering in the system does not result in device starvation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.