Audio-output amplifier circuit for audio device, audio device, electronic device including audio device, and output control method for audio device
US8901999B2 · kind B2 · utility
1Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 16, 2012 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F3/187
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An audio-output amplifier circuit for an audio device includes an output amplifier and a switching element connected between an amplifier-output terminal of the output amplifier and ground, to short-circuit the amplifier-output terminal of the output amplifier after transition to ground-level voltage is finished.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.