Universal systems and methods for determining an incoming carrier frequency and decoding an incoming signal
US8213809B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 23, 2009 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Jan 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/3827
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Consumer infrared (CIR) systems typically are used in remote control systems. Most CIR systems expect a known carrier frequency and encoding scheme. However, there are many applications of a universal CIR receiver which can receive and decode CIR signals regardless of the carrier frequency or encoding scheme. A CIR receiver circuit is disclosed which can both decompose a received CIR signal into run length representation and detect the carrier frequency. The result can then be supplied to a host device for further processing, interpretation and/or actions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.