Noise canceling system and noise canceling method
US8401205B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2007 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Sep 23, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2410/05
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Disclosed herein is a noise canceling system, including: a first sound collection section configured to collect noise and output a first noise signal; a first signal processing section configured to produce a first noise reduction signal for reducing the noise at a predetermined cancel point; a sound emission section configured to emit noise reduction sound based on the first noise reduction signal; a second sound collection section configured to collect noise and output a second noise signal; and a second signal processing section configured to produce a second noise reduction signal for reducing noise at the cancel point. In the noise canceling system, the sound emission section emitting the noise reduction sound based on the first and second noise reduction signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.