Remote control device with appliance power awareness
US6870463B2 · kind B2 · utility
68Cited by
1References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2003 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Sep 3, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/63
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A controlling device having programming which ensures an appliance will be placed into a desired power state. The controlling device transmits a query message to a power monitor associated with the appliance to obtain the current power state of the appliance. If the current power state corresponds to the desired power state, the controlling device inhibits the transmission of a command to the appliance to effect a change in the current power state of the appliance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.