Noise reduction headphone with two differently configured speakers
US9679551B1 · kind B1 · utility
2Cited by
16References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2016 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Apr 8, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/01
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
There is disclosed a noise reducing headphone including a headphone housing, a microphone generate an ambient audio signal representative of ambient noise, a processor to generate an anti-sound signal based on the ambient audio signal. A first speaker is disposed within the headphone housing to convert the anti-sound signal into anti-sound. A second speaker is disposed within the headphone housing to convert an audio input signal into high fidelity sound. At least one characteristic of the second speaker is different from a corresponding characteristic of the first speaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.