Microcomputer which enters sleep mode for a predetermined period of time on response to an activity of an input/output device
US5083266A · kind A · utility
286Cited by
17References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1987 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Dec 24, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/3215
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
When information from input/output devices is requested by application software, a timer sets a predetermined sleep time period, and when the sleep time period expires, it is checked whether the information has been obtained. The sleep time period is suitably set in consideration of the response speed of the input/output devices and the influence of the delay on the processing. Accordingly, the sleep mode is entered while waiting for an input/output response, thus reducing electric power consumption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.