Surge protection circuit for audio output device
US8218776B2 · kind B2 · utility
1Cited by
19References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 29, 2010 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Aug 19, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A surge protection circuit acquires a surge signal from a left channel (LC) signal line and a right channel (RC) signal line. After the surge signal being transmitted on the LC signal line and the RC signal line is removed, an audio signal outputted from a signal input device is transmitted to an audio output device via the LC signal line and the RC signal line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.