Thermal feedback for switch mode amplification
US7840015B1 · kind B1 · utility
12Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2002 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Nov 11, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/447
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital input signal is lowered to reduce output power of the audio output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.