Audio output device
US8374357B2 · kind B2 · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 2010 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Oct 18, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/05
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An audio output device includes: a main unit including a terminal configured to connect an external speaker; a speaker unit configured to be detachably attached to the main unit while the terminal is covered with the speaker unit; and an amplification unit configured to amplify an audio signal so that the amplified audio signal is input to the terminal and the speaker unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.