Audio device using AC power clock reference
US7952412B2 · kind B2 · utility
1Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2008 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Jun 27, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A clock generating apparatus for use in an electronic device, such as a radio or other audio device, which generates a clock signal based on an AC input signal received, for example, from a wall outlet. The clock generating apparatus detects and monitors the frequency of the AC input signal and automatically adjusts the clock signal based on the detected frequency of the AC input signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.