Thermal feedback for switch mode amplification
US8447050B2 · kind B2 · utility
0Cited by
4References
16Claims
0Family size
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Key dates
| Filing date | Oct 21, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Aug 11, 2031 |
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.