Handheld portable high fidelity music playback with streaming and WiFi routing ability
US9628915B2 · kind B2 · utility
1Cited by
0References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 2015 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Jan 6, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/09
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit design for a portable audio data processing and high fidelity playback device having a multi-core digital signal micro-processor, embedded with a set of digital audio CODECs for encoding and decoding 24 bit audio data in any current format, being mounted onto said PCB board. A set of differential operational audio amplifiers is powered independently with a dual power supply management circuit having a set of low-noise linear regulators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.