Network speaker for an audio network distribution system
US8131390B2 · kind B2 · utility
574Cited by
27References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2006 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Feb 1, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is a network speaker 100 for an audio network distribution system 20. The present invention includes a network interface 110 that couples the network controller 120 to the audio network distribution system 20. The present invention additionally includes an audio format converter 121, a digital to analog converter (DAC) 122, a pre-amplifier 123, an amplifier 125, and may also include an analog to digital converter (ADC) 128. Additionally, the present invention includes speaker sensors 124 and a speaker/microphone driver 126.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.